学术英语(教师资料)_Unit5

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1、DefinitionAnacademicessay,alsocalledaresearcharticle,differsfromanordinaryessayinthatitconsistsofthereviewofpreviousstudiesonaparticulartopicandonesownresearch.Inmostcasesitisakindofdocumentedreportfromthewritersfirst-handacquisition,synthesisandinterpretationofinformation,dataandfindings.Atypicalac

2、ademicessayincludesfiveparts,namely,abstract,introduction,body,conclusionandreference.2 Two types of research paperTwo types of research paperTask 1Task 2 Task 3Task 4Unit 5Writing an AcademicEssayTherearetwomajorkindsofacademicpaper:primaryresearchpaperandsecondaryresearchpaper.Aprimaryresearchpape

3、risthestudyofasubjectthroughfirsthandinvestigation,involvingpresentingoriginalideasandinformationonyourown.Inmostcasesyouneedtoconductasurveyoranexperimenttoobtainnewfindings.Henceitissometimescalledsurvey-or-experiment-basedresearch.Asecondaryresearchpaper,however,involvesgatheringandanalyzingthere

4、searchfindingsfromotherpeoplesresearch.Toillustrateyourargument,youneedtoborrowanduseevidenceandfindingsavailableonthetopicinthelibraryorontheInternet.Henceitissometimescalledlibrary-or-lnternet-basedresearch.There are two major kinds of academic paper:lprimary research paper: thestudyofasubjectthro

5、ughfirsthandinvestigation,involvingpresentingoriginalideasandinformationonyourown- survey-or-experiment-based researchlsecondary research paper:involvinggatheringandanalyzingtheresearchfindingsfromotherpeoplesresearch- library-or-Internet-based researchUnit 5Writing an AcademicEssay2 Two types of re

6、search paperElements of an introductionHow to make the statement of purposeTask 1Task 2 Task 3Task 4 3 Writing an introductionUnit 5Writing an AcademicEssayTheintroductionsectionisthestartofaresearcharticleanditsmainpurposeistogiveaclearpictureofwhatthearticleisaboutandwhattheattitudeoftheauthoris.A

7、nintroductionusuallyincludesthefollowingelements:Elements of an introduction:l1)Introducethetopicorproblemwithwhichtheresearchessayisconcerned.l2)Giveacleardefinitionofthetopicandoftherelatedkeyterms.l3)Providetherelevantbackgroundinformation/contextofthetopic.l4) Reviewthepreviousrelatedstudiesandp

8、ointouttheirlimitationifnecessary.l5) Statethepurpose/objectiveoftheessay.l6) Introducethetheoreticalperspectivestheessaymightuse.l7) Justifyyourchoiceofthetopicorgivethereasonsforyourresearch.l8) Explainhowtheessaywillbeorganized(theoutlineoftheessay).Unit 5Writing an AcademicEssay3 Writing an intr

9、oductionOfcoursenotallresearchpapersmustcontainalltheseelements.Aprimaryresearchessay,forexample,differsfromasecondaryresearchoneinthattheliteraturereviewofthelattershouldbegeneralasyouwillgivemoredetailsinthebodysectionwherepreviousfindingswillbeusedtosupportyourarguments.However,theintroductionsec

10、tionusuallygoesfromthegeneraltothespecific.Itstartswiththeinformationofthetopicinthebroadcontextandthennarrowsdowntotheinformationmorespecificallyrelatedtotheproposedresearch.Thelengthoftheintroductionsectionvariesaccordingtothelengthofthepaperandrequirementsofdifferentjournals(orconferences).Statin

11、gthepurposeofwritingtheessayisimportant.Itsfunctionistomakesurethereadersknowwhatyouaretryingtoachievebywritingthisessay.Thisincludesestablishingthetopicandexplainingwhatyouwilldowiththetopic,forexample:How to make the statement of purpose:Purpose + Action Verb + TopicUnit 5Writing an AcademicEssay3

12、 Writing an introductionAWiththeworldeconomicdevelopment,thedemandforenergyhasincreasedrapidly,addinggreatlytothegreenhousegasesandthepollutionproblemsmainlycausedbyfossilfuels.BAccordingtoWikipedia,renewableenergyisenergywhichcomesfromnaturalresourcessuchassunlight,wind,rain,tides,andgeothermalheat

13、,whicharerenewable.CSincethesigningoftheKyotoTreaty,moreeffortshavebeenmadetolookforalternativeenergysources.DDevelopingrenewableenergysourcesisthesolutiontotheseproblems.EDevelopingrenewableenergysourcecannotonlygreatlyhelpcutdowntheamountoftoxins,theby-productsoftheconsumptionofenergy,butalsoprese

14、rvemostofthenaturalresourcesthatpeopleuseasresourcesofenergy.FTheessaywillfirstdemonstratethesignificanceofdevelopingrenewableenergysources,andthenanalyzetheadvantagesanddisadvantagesofeachpossiblerenewableenergysource.GThepurposeoftheessayistoexaminepotentialrenewableenergysources.Functions The Sen

15、tence NumberIntroduction to the topicBackground informationJustificationDefinition of key termsWriters purposeThesis statementOutline of structure The whole introduction: Unit 5Writing an AcademicEssay3 Writing an introductionParagraph 1:thetopicandbackgroundareviewofthepreviousstudylimitationorprob

16、lemsParagraph 2:reasonsandrationalforthestudyParagraph 3:purposeandstructureUnit 5Writing an AcademicEssay3 Writing an introductionParagraph 1:SentencedefinitionSentencebackgroundParagraph 2: SentencestopicSentencesreviewofthepaststudiesParagraph 3:reviewofthepaststudiesParagraph 4:Sentencelimitatio

17、nSentencepurposeUnit 5Writing an AcademicEssay3 Writing an introduction1 Function:Establishthespecifictopic2 Function:Introducethepresentmethodology3 Function:Statethepurposeand/ortheprincipalactivities4 Function:OfferabriefstructureofthewholepaperUnit 5Writing an AcademicEssay3 Writing an introduct

18、ion1Function:Overthepastdecade,oneofthemostimportantadvancesin.hasbeenthedevelopmentof.Thereisaconcernover.isofparticularinterestwithrespectto.havebecomeincreasinglyinterestedin.Thereisanextensivescientificandindustrialinterestin.Recently,.hasreceived/attractedmuch/particularattention.Recentlythereh

19、asbeengrowinginterestin.Recently,investigationsof.areincreasing.Thedevelopmentof.hasledto.Thepossibilityof.hasgeneratedwideinterestin.hasbecomeafavoritetopicforanalysisof.hasbeenapopulartopic.areextremelyactiveareasofresearch.2Function:Thispaperpresentsasystematicandunifiedapproachtomodeling.,basedo

20、n.modelisderivedbyproperlycombining.,andapplying.,theory.Inthispapertheauthorsproposeanovelmethodtoanalyze.Weuse.,toexamine.approachisappliedinordertodemonstrate.methodisemployed.ismeasuredthrough.3Function:Aspartofastudy,thepurposeofwhichistoaidtheexploitationofwehaveinvestigated.Thepurpose/aim/obj

21、ectiveofthispaper/investigation/studyisto.Theaimofthispaperistoapply.,togivedetailedinformationon.Ourpurposeistoexplore.Inthispaper,weaddresstheproblemof/reporton/givepreliminaryresultsfor.Themainpurposeofthestudyis.Themeasurementerrorfor.,wasanalyzed.Thecalculationshavebeenperformedon.Thisstudyfocu

22、seson/examines.4Function:Thispaperisorganizedasfollows:Wefirstdescribe.Wethendiscuss.Weshowthat.Asecondaryaim.Inaddition,weaddressthepossibilitythat.Finally,weshowthat.Afurtherreasonfor.Wefirstconsider.,andarguethat.Wethenpropose.bylistingresearchquestionsorhypotheses.byannouncingprinciplefindings.S

23、pecially,wetesttwohypotheses.DefinitionSteps to write the body section of the secondary research essay Text 18 Physical Effects of Marijuana UseOrganizationsCommon types of organizationTask 2 Task 34 Writing the body of a secondary research essayUnit 5Writing an AcademicEssayThebodysectionisthemajor

24、partofanessay.Itsstructurevariesfromessaytoessay.Thestructureofasecondaryresearchessaywillbesimplerasyoudonothavetoconductanexperimentorsurveyofyourownorcarryoutanempiricalstudy.WhatyoudoistouserecentfindingsanddataavailableontheInternettoillustrateyourideas.Hencethestepsare:Steps to write the body

25、section of the secondary research essay:l1)Evaluateallsourcematerialsyouhavegathered;l2)Designthestructureororganizationofyouessayaccordingtoresearchquestions,suchascauseandeffect,orcomparisonandcontrast;l3)Arrangetheargumentsinalogicalorderaccordingtothechosenstructure;l4)Selectandorganizesourcemat

26、erialstoillustratetheideasofthetopicsentencesrespectively.Unit 5Writing an AcademicEssay4 Writing the body of the secondary research essayAlthoughsecondaryresearchistouseinformationandfindingsavailabletoillustrateyourideas,itdoesnotmeanyouressaylackscreativeideas.Descriptionandintroductionofprevious

27、findingsareonlypartoftheessay,andyouressayentailsyourpointofviewbasedonthedescriptionandanalysisofpreviousstudies.Inordertodevelopaposition,youneedtothinkcriticallyabouttheideasandfindingsofthesourcematerialsyouhavegathered,selectthemostappropriateevidencetosupportyourpointofviewand,mostimportantly,

28、addyoucontribution.Forexample,offeringanewclassification(anewapproach)oraneweffect(oranewcause,anewadvantage)isthecontributionyoumaymaketothestudyofacertainsubject.Whenwritingasecondaryresearchessay,youshouldespeciallybewareoffallingintoatrapofplagiarismasthequotingandparaphrasearemorefrequentinsuch

29、typeofessay.Rememberthatasecondaryresearchessaydoesnotmeanthatyousimplypiecetogetherthefindingsofpreviousstudieswithoutyourownthings.OrganizationsBodystructuresvaryfrompapertopaperasasecondaryresearchpapergenerallylacksanempiricalstudywhichentailsthemethodandstatisticanalysis.Thefollowingaresomeofth

30、ecommontypesoforganization.A.EffectanalysisThestructureofeffectanalysismaybeusedtoanalyzetheeffectsofacertainphenomenonsuchasglobalwarming,nuclearradiation,theuseofgeneticallymodifiedorganismsandsoon.Common types of organization:A. Effect analysisUnit 5Writing an AcademicEssay4 Writing the body of t

31、he secondary research essayB.CauseanalysisToanalyzethecausesforaphenomenonsuchasearthquakes,climatechanges,sleepdeprivationandbreastcancer,youmayusethebodystructureofcausalanalysis.Common types of organization:B. Cause analysisUnit 5Writing an AcademicEssay4 Writing the body of the secondary researc

32、h essayC.Pro-and-conanalysisThestructuremaybeusedtoweighbothadvantagesanddisadvantagesofatechnologysuchasGMfood,nanotechnology,artificialintelligence,syntheticalbiology,Web3.0andsoon.Common types of organization:C. Pro-and-con analysisUnit 5Writing an AcademicEssay4 Writing the body of the secondary

33、 research essayCommon types of organization:D. Comparison analysisUnit 5Writing an AcademicEssay4 Writing the body of the secondary research essayD.ComparisonanalysisTocompareandcontrasttwosubjectssuchascomputersandhumanbrains,ororganicfoodandtraditionalfood,youmayeitherusethesubject-to-subjectbodys

34、tructureorthepoint-to-pointbodystructure.Common types of organization:D. Comparison analysisUnit 5Writing an AcademicEssay4 Writing the body of the secondary research essayAshortessaymightuseasingletypeoftheaboveorganizations.Alongessay,however,maycombineseveraltypesaccordingtothepurposeoftheessay.W

35、hateverorganizationisused,athesisstatement-themainideaofyouressay,andseveraltopicsentenceswhichsupportthethesisfromdifferentanglesareessentialtoensurethecoherenceandlogicofyouressay.Thefollowingistheoutlineofasecondaryresearchessay.Title:BuildingaCityUnderground-fromanEcologicalPerspectiveThesis:The

36、reareadvantagestobuildingacityundergroundandhavingtheoutermostmileoftheearthscrusthoneycombedwithpassagesandstructures,likeagiganticanthill.Body:Argument(topicsentence)1Theecologicalstructurecouldbestabilizedasthesurfaceoftheearthwouldbeprotectedfromtoofrequentandintensehumanactivities.Argument(topi

37、csentence)2Weatherwouldnolongerbeimportant,sincerain,snow,sleetandfogwouldnottroubletheundergroundworld.Argument(topicsentence)3Therewouldbenolocaltime,andthealternationofdayandnightcouldbeavoided.Conclusion:(Referbacktothethesisstatement)1 Function:Describethecauses2 Function:Analyzetheeffects3 Fun

38、ction: CompareandcontrastUnit 5Writing an AcademicEssay4 Writing the body of the secondary research essayTASK3Readthefollowingsentencepatternsandidentifytheirrespectivefunctionslndlicatedinthebox.AnalyzetheeffectsDescribethecausesCompareandcontrast1Function:Thereareprobablyavarietyofcausesforthismar

39、kedgrowth/change.Theexplanationforthephenomenoninvolvesmanyfactors.Thecausesfor.,arecomplicated/varied.Thechange/increaseischieflyattributed/ascribed/owedto.Thechangemainlystems/arises/resultsfrom.Onemaytracethisproblembackto.Anumberoffactorscouldaccountforthechange/phenomenon.Amultitudeoffactors,in

40、dividualandsocial(inheritedandenvironmental)influence.Thesefactors,coupledwiththechange/growthof.leadto.Oneofthemostpopularexplanationsfor.,is.ispartlyresponsibleforthedecision.Thegrowthisnotthesolereasonfor.Thechangedoesnotinitselfexplain/accountfor2Function:Itmaygiverise/leadtoahostofproblems.Itma

41、yhaveaprofoundinfluence.Itwillexertanumberofundesirableeffectson.Itmayproduce/bringaboutamarked/drasticchangein.Thiswillentail/bringsomeseriousconsequences.Thereareanumberofnegative/undesirableeffectson/consequencesof.Theeffect/influence/consequencehasnotbeenconfined/limitedto.Theimmediateresultitpr

42、oducesis.Theeffect,bothphysicalandpsychological,ononeshealthisprofound.Negativeimpacts,includingeconomicandsocial,cannotbeignored.3Function:Thebiggestadvantageisthat.Ithasbothadvantagesanddisadvantages.Intermsofcost,itoutweighsthebenefitwegainfrom.TheadvantagesofBcarrymoreweightthanthoseofA.Theeffec

43、tofcomparisonisheightenedbyanotheradvantageBenjoys.AsadvantagesmeansnothingwhenBsadvantagesaretakenintoconsideration.Whentheadvantagesanddisadvantagesarecarefullycompared,thefindingisself-evident/moststriking.AlthoughAenjoystheenormousadvantageofitcantcompetewithBin.Bycontrast/Onthecontrary,.Despite

44、theseadvantages,italsohasitsowndisadvantagesLikeanythingelse,italsobringsproblems.Methods sectionQuestions an experiment or survey should answer Points one should make clear to readersTask 1Results sectionContents of results sectionTask 2 Task 35 Writing the body of a primary research essayUnit 5Wri

45、ting an AcademicEssayAsprimaryresearchessayinvolvesempiricalstudiesbasedonacertainexperimentorsurvey,itshouldpresentevidencewithdataandanalysisinaformatthatcanbereplicatedbyothers.Hencethebodypartwillbecomposedoftwosections:MethodsandResults.MethodssectionThemethodssection,whichisadetailedbreakdowno

46、ftheexperimentorsurvey,usuallyanswersthesequestions:Questions an experiment or survey should answer:l1)Whatareyourresearchquestions?l2)Howisyourresearchcarriedout?l3)Howisyourdatacollected?l4)Howareyourresultsobtained?Unit 5Writing an AcademicEssay5 Writing the body of a primary research essayPoints

47、 one should make clear to readers:l1)subjectsoftheexperiment;l2)thematerials;l3)theprocedure;l4)thecriteria;l5)thesurvey;l6)statisticalanalysis.Unit 5Writing an AcademicEssay5 Writing the body of a primary research essayThereforeyoumustmakeallthefollowingcleartothereaders:1)subjectsoftheexperiment(H

48、owweretheychosen?);2.)thematerials(Whatequipmentortoolswereused?Whereandinwhatconditionwastheexperimentconducted?);3)theprocedure(Howdidyoudesignyourstudyandwhatstepsdidyoufollowwhenthedatawerecollected?);4)thecriteria(Whatcriteriaareusedforselectingsubjects?);5)thesurvey(Howthequestionnaireisdesign

49、edandadministered?Howarethesamplesorrespondentschosen?Andhowtheinterviewisconducted-bytelephoneordoortodoor?)6)statisticalanalysis(Howwerestatisticsanalyzed?).Thesignificanceis:knowinghowthedataarecollectedhelpsthereadersevaluatethevalidityandreliabilityofyourresultsandyourconclusion.Oneruleforaprop

50、erlywrittenmethodsectionisthat:Enoughinformationmustbegivensothattheexperimentcouldbereproducedbyacompetentcolleague(Day,1988).Contents of results section:l1)anoverviewoftheexperimentorasummaryofthefindings;l2)detailedpresentationoftherepresentativedataand/orgraphicaidsandtheirlocatingand/oranalysis

51、;l3)detailedpresentationofthefindings.Unit 5Writing an AcademicEssay5 Writing the body of a primary research essayResultssectionTheresultssectiondescribesthestatisticalresultsandthefindingsoftheresearch,whichdirectlyanswersyourresearchquestions.Itdealswiththefactsratherthantheopinions.Theopinionssuc

52、hasevaluationandcommentaryshouldbesavedinthediscussionsection.Theresultssectioniswritteninaconciseandwell-organizedmannerandisoftenshort.Itincludes:1)anoverviewoftheexperimentorasummaryofthefindings;2)detailedpresentationoftherepresentativedataand/orgraphicaidsandtheirlocatingand/oranalysis;3)detail

53、edpresentationofthefindings.Whengivinganoverviewoftheexperiment,youmaybrieflyexplainhowandwhydatahavebeenproduced,butshouldnotrepeatthedetailsprovidedinthemethodsection.Youcanpresentfindingsindifferentways:statingthefacts;comparingandcontrasting;analyzingcauseandeffect;illustratingwithgraphicaids,et

54、c.Statisticalresultsareusuallypresentedintexts,plusgraphicaidssuchastables,graphs,charts,drawings,photographs,etc(whichareusuallyplacedattheattachedappendixesiftheyinterruptonesreading).Thefindingsofanexperimentareusuallypresentedinthepasttense.Describinggraphicaidsandgeneralizationsconcludedfromthe

55、researchshouldusethepresenttense.Functions Task 1Task 2 6 Writing a discussion or/and conclusionUnit 5Writing an AcademicEssayThediscussionandtheconclusioncanbeeitherwrittenseparatelyorcombinedintoonesection.Asthefinalpartoftheessay,itcanserveanumberoffunctions:Separately,discussionsectiondiscussest

56、heissuesarisingfromfindingsandlimitationsofyourresearchwhereasconclusionsectionincludesasummaryofmainfindings,implications,recommendations,possibilitiesforfurtherresearch.Functions that the conclusion can serve:l1)tosummarizethemainideasorkeyfindingsintheessay;l2)tomakesomecommentsonthefindings;l3)t

57、ocompareyourresultswithpreviousresults;l4)toexplainunexpectedresults;l5)toexplorepossibleimplications;l6)topointoutitslimitationsoftheworkcoveredbyyouressay;l7)tomentionfurtherresearchthatmightberequired.Unit 5Writing an AcademicEssay6 Writing a discussion or/and conclusion1 Function:pointouttheimpl

58、ications2 Function:interpretandcommentontheresults3 Function:comparethepresentfindingswiththepreviousones4 Function:summarizethemajorfindings5 Function:pointoutthelimitations6 Function:suggestfurtherworkUnit 5Writing an AcademicEssay6 Writing a discussion or/and conclusionTASK2Readthefollowingsenten

59、cepatternsandidentifytheirrespectivefunctionsindicatedinthebox.SummarizethemajorfindingsPointoutthelimitationsPointouttheimplicationsComparethepresentfindingswiththepreviousonesInterpretandcommentontheresultsSuggestfurtherwork1Function:Thisfindinghasimportantimplicationsfor.Thepresentresultsaresigni

60、ficantinatleasttwomajorrespects.Animplicationofthisisthepossibilitythat.Oneofimplicationsthatemergefromthesefindingsis.Someoftheissuesemergingfromthisfindingrelatespecificallyto.2Function:Apossibleexplanationforthismightbethat.Itseemspossiblethattheseresultsaredueto.Thisconsistencymaybedueto.Thiscon

61、tradictoryresultmaybeattributedto.Theobservedcorrelationbetween.,mightbeexplainedbyanumberoffactors.Thereareseveralpossibleexplanationsforthisresult.However,theseresultswerenotveryencouraging.3Function:Theresultscorroboratewiththefindingsofpreviouswork.Thisstudyconfirmsthat.Thesefindingsfurthersuppo

62、rttheideaof.Theseresultsareconsistentwiththoseof.Thefindingsofthecurrentstudydonotsupport.Thisresulthasnotpreviouslybeendescribed.Incontrasttoearlierfindings,however,noevidenceof.wasdetected.Despitethedifferenceoftheseresultsfromsomepublishedstudies,theysupport.4Function:Inparticular,relationshipsam

63、ong.,arereadilyidentified.The.modelshadtheadvantagesof.whencomparedto.models.Weobserveadirectrelationbetween.,and.Fromtheinvestigationof.,itisfoundthat.Ithasbeenshownthat.,canbederivedfrom.Itisdemonstratedthatthepredictionfromthesimulationsareinagoodagreementwiththeresultfrom.,test.5Function:Themeth

64、odis,however,limitedto.However,wehaveonlyfocusedonseveralaspectsin.Theimmediategoalsofthistrialin.toimprove.,wereattainedonlytoaslightextent.Thoughtheillustrationisrestrictedto.itisconsideredasbeingwithoutlossofgenerality,because.Thelimitationsofthisstudyaredear:.Thepresentinvestigation,whichhasbeen

65、doneonrelativelyfewbutcarefullyhandledsamples,maybeconsideredanimportantprecursortosuchrigorousinvestigations.Thefindingsofthisstudyarerestrictedto.Thisstudyhasaddressedonlythequestionof.Thelackof.meansthatwecannotbecertainabout.6Function:Thesolutionto.remainwideopen.Thereismuchroomforsomeimprovemen

66、t.Muchworkneedstobedoneto.Afurtherstudywithmorefocuson.may.Moreresearch,however,onthistopicneedstobeundertakenbefore.,ismoreclearlyunderstood.Furtherstudiesonthecurrenttopicarethereforerecommended.Thisisanimportantissueforfutureresearch.Furtherresearchshouldbedonetoinvestigate.TASK3Writetheconclusio

67、nsectionofyourownessay.What an abstract should include Task 1Task 2 Task 37 Writing an abstractUnit 5Writing an AcademicEssayAnabstract,composedafteryourresearchpaperisfinishedandplacedbeforethemaintext,isacondensedsummaryofthepaperskeyinformation.Themainpurposeistoenablethereaderstobeinformedoftheb

68、asiccontentandchiefresultsofyourpaperquicklyandaccurately.Aneffectiveabstractsummarizesthemainpointsoftheinvestigation,including:What an abstract should include:l1)thestatementoftheproblem;l2)thepurposeorobjectiveofthestudy;l3)themethodsorbriefdescriptionoftheexperiment;l4)theimportantdataorresultso

69、fanystatisticalanalysis;l5)thechieffindings;l6)theprincipalconclusionsorrecommendations.Unit 5Writing an AcademicEssay7 Writing an abstracteconomy of wordsUnit 5 Writing an Academic Essay7 Writing an abstractSample abstract 1SentencetheobjectiveSentencemethodsSentencesfindingsSample abstract 2Senten

70、cebackgroundSentencetheobjectiveSentencesmethodsSentencesfindingsTASK2ReadThefollowingsentencepatternsandidentifyCheirrespectivefunctionsindicatedinthebox.IntroducetheproblemMakerecommendationsDescribethemethodStatetheobjectiveOutlinechiefresultsStatetheprincipalprocess7 Writing an abstractUnit 5 Wr

71、iting an Academic Essay1 Function:Introducetheproblem2 Function:Statetheobjective3 Function:Describethemethod;4 Function:Statetheprincipalprocess5 Function:Outlinechiefresults6 Function:Makerecommendations1Funcfion:.isaproblemencounteredin.isstillanopenproblem.hasraisedthequestionof.hasbeenapopulart

72、opicforjournalarticles.areextremelyactiveareasofresearchbecause.2Function:Thisarticlearguesthat.Thisarticleistoevaluate.Inthispaper,itcanbearguedthat.Thispaperisanempiricalstudyof.Thispaperattemptstopointoutsomemainproblemsof.Thispaperpresents/reviews/describes/examines/discusses/considers.Thisstudy

73、focuseson/examines.Thisstudyempiricallyestimatestheimpactof.Theaim/objective/purposeofthispaper/investigationistoexamine/present/study.Thisstudyseekstoidentify.3Function:A.strategywaschoseninordertoevaluate.Experimentswerecarriedouttoexplore.Weusea.modeltoexamine.Usinga.survey,wereexamine.A.approach

74、isappliedinordertodemonstratethemaincharacteristicsof.Usingthemostefficient.,procedureInthisstudyweused.,todetermine.A.methodisemployed.ismeasuredthrough.Thispaperillustratesthiseffectby.Onthebasisof.,considerationisgivento.Thesystemisbasedon.4Function:Afterexaminingthepapersuggests.Thedifferentmeth

75、odsaredescribedandtheirapplicationto.isoutlinedwithreferenceto.Wearguethat.Weshowthat.Wepresentdatademonstratingthat.Wefirstconsiderandarguethat.Wethenpropose.Weshowthat.Inparticular,.areexamined/discussed.Someimplicationsaredrawnregarding.Focusisalsogivento.Inaddition,weaddressthepossibilitythat.We

76、alsobrieflysummarizethemaindevelopmentsof.Wecalculateanindexof.5Function:Theresultsrevealedsignificantgainsin.Theempiricalresultsconfirm./presentsomeevidencethat.Theresultsinclude.Theresult/analysisindicates/shows/suggeststhat.Theexperiments/examplessuggest/support/demonstrate.Itisshownexperimentall

77、y.Therewasnosignificantdifferencein.Wefindthat.6Function:Theauthor/Itconcludes/suggeststhat.Thispaperendswiththesuggestionthat.Werecommend/Itisrecommendedthat.Theresultscanexplainandprovideatoolforaquantitativeanalysisof.Theseresultsaresignificantfor.Assuchithasimportantimplicationsnotonlyfor.,butal

78、sofor.Furtherimprovementsarepossibleon.mayhavebeenanimportantmechanismin.mayprovidebasisfor.couldbeusedtoanalyze.7 Writing an abstractUnit 5 Writing an Academic EssayMarijuanaisadrugofcontroversyinmedicalhistory.Whetheritsultimateeffectsareharmful,harmlessorbeneficialtohumanfunctioningremainstobeinv

79、estigatedproblem.ThispaperfocusesonthestudyofthephysicaleffectsofMarijuanausesobjective.Basedonpreviousresearch,thestudydividedthephysicaleffectsofmarijuanauseintotheshort-termeffectsandlong-termones,accordingtoitsfrequency,durationandintensityofphysicalsymptomsmethod.Thestudiesindicatedthatanincrea

80、seofpulserateandchangesinbloodsugarpressuresaretworemarkablesignsofshort-termeffectstogetherwiththesymptomsofnausea,vomiting,headacheandsoon.ItwasalsofoundthatthechronicuseofmarijuanamayweakenonesimmunesystemandinterferewithDNAproductionintermsoflong-termeffectsfindings.Rules for writing a reference

81、 list 8 Writing a reference listUnit 5Writing an AcademicEssayCitations-whetheryouhavecopieddirectly(quoted)orrewrittenusingyourownwords(paraphrasing)-shouldbeindicatedclearlyinthereferencelist,thepurposeofwhichistoprovidereaderswithmoredetailsofsourcesyouhaveusedintheessay.Henceeveryreferenceinthet

82、extmusthaveamatchingentryinthereferencelistwhichincludeinformationabouttheauthor,title,publisher.Therearedifferentkindsofstyles.Butwhicheveroneyouadolpt,somerulesshouldbefollowed:Rules for writing a reference list:l1)Placethereferencelistafterthelastsectionoftheessay.l2)Donotincludesourceswhichhaven

83、otbeencitedinthetextoftheessay.l3)Starteachiteminthelistattheleftmargin.Ifanitemextendstomorethanoneline,indenttheadditionallines.l4)Usethelastorfamilynameandinitials(notfullnames)forallauthors.l5)Arrangetheitemsinthealphabeticalorderofauthorsfamilynames.Unit 5Writing an AcademicEssay8 Writing a ref

84、erence listThefollowingareexamplesofReferencesaCBEstyle,usedinallscientificdisciplinesrelatedtoexperimentalandobservationalscience(includingbutnotlimitedtophysicalsciences,mathematics,andlifesciences).TheorderoftheCBEN-Ysystemis:AhoA,Year.Titleofwork.Edition.Placeofpublication:pbblishername.Numberof

85、Pagesp.1)JournalarticlesBjorkqvist,K.1994.Sexdifferencesinphysical,verbalandindirectaggression.SexRoles,33,177-188Berkowitz,R.I.,Wadden,T.A.,Tershakovec,A.M.,&Cronquist,J.L.2003.Behaviortherapyforthetreatmentofadolescentobesity.JournaloftheAmericanMedicalAssociation,289,1805-1812.2)Bookswithauthor(s

86、)Black,J.2003.ADictionaryofEconomics(2nded.).Oxford:OxfordUniversityPress.Dell,R.M.,andD.A.J.Rand.2001.Understandingbatteries.Cambridge,UK:TheRoyalSocietyofChemistry.3)Bookswitheditor(s)Blendon,R.J.,Benson,J.M.,Brodie,M.,Morin,R.,AItman,D.E.,Gitterman,D.,etal.1999.Bridgingthegapbetweenthepublicsandt

87、heeconomistsviewsoftheeconomy.InRobertF.GarnettJr.(ed.),WhatDoEconomistsKnow?NewEconomicsofKnowledge(pp.86-100).London:Routledge.4)NewspaperarticlesHilts,P.J.2002.Petitionasksforremovalofdietdrugfrommarket.TheNewYorkTimes,p.A26.Availablefrom:http:/ to make your writing more formalTask 3Task 4Task 5T

88、ask 6 Text 19 Research Reports for Business and Technical WritingHedgingCommon hedging expressionsTask 8Task 99 Academic writing styleUnit 5Writing an AcademicEssayThestyleofacademicwritingisquitedifferentfromthatofanEnglishcompositionorthatofanoralpresentation.Asitsobjectiveistoinformratherthanente

89、rtain,anacademicessayischaracterizedbyobjectivityandpreciseness.Toachievethem,formalityandhedgingaretwoimportantelementsofanobjectiveandprecisepaper.How to make your writing more formal:l1)Longandformalwordsandcomplexgrammaticalstructuresarepreferred.l2)Avoidusingthesecondpersonpronouns.l3)Eliminate

90、contractions.l4)Avoidrun-onsentences.Unit 5Writing an AcademicEssay9 Academic writing styleRewritethefollowingsetencesaccordingtotheinstructioninthebrackets23.4Unit 5Writing an AcademicEssay9 Academic writing style67910Unit 5Writing an AcademicEssay9 Academic writing styleTASK4Rewritethefollowingsen

91、tencesaccordingtotheinstructioninthebrackets.1Wemaybreakthesesectionsdownintoavarietyofsubsectionsandarrangetheminavarietyofways.(Usepassivesentence.)2Weshouldplacetheemphasisonthediscussionofthereportforthisreadership.(Usepassivesentence.)3Thissubsectionisrhetoricallyusefulbecauseitmakesyoumorecred

92、iblebyindicatingthatthedatapresentedisbasedonthefactthatyouhaveknownthoroughlywhathasbeendoneinthefield.(Avoidthepronounyouandtheabstractnounispreferable.)4Areasonableapproachtotheactualwritingprocessincludingeditingtomakeitaccurateanddearwillhelpyoutoproduceeffectivereportsefficientl(Avoidthepronou

93、nyouandtheabstractnounispreferable.)5Ifweinvestigatetherelativeeffectivenessofvariousswimmingstrokes,wehavetodetailthenumberofswimmerstested.(Usenominalphrases.)6Thefinalsectionistodiscusstheresultsobtainedandstateanyconclusionswhichmaybedrawnfromthoseresults.(Usenominalphrases.)7Weshouldexplainthes

94、ignificance-social,economic,medical,psychological,educational,etc.-ofthequestion.(Beginthesentencewithanimpersonalnoun.)8Wedonotobjecttowritingthatispleasingandinteresting.(Beginthesentencewithanimpersonalnoun.)9WhatstheeffectofregularconsumptionoffastfoodonthehealthoftheAmericanteenagers?(Avoidcont

95、ractionsuchasweve;shouldnt,whats;theres.)10Thereslittleemphasisonalivelystyle.(Avoidcontractionsuchasweve;shouldnt;whats,theres.)HedgingChancesarethatinyourpapertheremaybeinformationorevidencethatyouhavenotfoundanexceptiontotheconclusionthatyouhavedrawn.Inthiscaseyouneedtousecautiouslanguagetoavoidt

96、hepossibilityofpeoplesayingthatyouarewrong.Thecautiouslanguageiscalledhedging.Forexample:inOurresultsseemtosuggestthatlessindustrializedcountriesturnoutmoregreenhousegasemissions,thewordsseemandsuggestarehedgingexpressions,theuseofwhichcanreducetheriskofoppositionbecauseyoustateyouropinionscautiousl

97、y.Thecommonhedgingexpressionsareasfollows:Common hedging expressions:l1)Certainintroductoryverbsandphrasesl2)Certainmodallexicalverbsl3)Certainmodalauxiliaryverbsl4)Certainadverbsoffrequencyanddegreel5)Certainmodaladverbsandadjectivesl6)Certainmodalnounsl7)Certainit-clausesl8)Certainif-clausesUnit 5

98、Writing an AcademicEssay9 Academic writing style1Theremight benodifficultyinexplaininghowthestructurecontributestohighsurvival;butthedifficultyisinthinkingofaseriesofstepsbywhichit could havearisen.2Itispossibletoseethatinourstudyshort-termbiochemicaleffectsalsoanimportantconsideration.3Thisstudy se

99、emstoprovetheeffectsofshort-termfooddeprivationontwocognitiveabilities4Thereisexperimentalworktoshowthataweekortendaysmaynotbelongenoughandafortnighttothreeweeksisprobablythebesttheoreticalperiod.Identify the hedging expressions in the following sentences.Unit 5Writing an AcademicEssay9 Academic wri

100、ting style5Conceivably,thatsmokingdoesnotproduceanyimpairmentofcellularimmunity.6Ofcourse itispossiblethat eachsysteminthisseriesofback-upsmightfailoneaftertheother,buttheprobabilityforthatisexceedinglysmall.7Insummary,GMtechnologycould causethetransferofaknownallergenintonewcrops.8Itissuggested tha

101、tMarsrockareunlikelybemeltedevenathightemperatures.Identify the hedging expressions in the following sentences.Unit 5Writing an AcademicEssay9 Academic writing style12.34Rewrite the following sentences by using hedging expressions given in brackets.Unit 5Writing an AcademicEssay9 Academic writing st

102、yle56Rewrite the following sentences by using hedging expressions given in brackets.Unit 5Writing an AcademicEssay9 Academic writing styleTask9rewritethefollowingsentencesbyusinghedgingexpressionsgiveninbrackets1Inspiteofitslimitations,thestudyhasanumberofimportantstrengths.(appear)2Itisprovedthatan

103、imalsbecomeoldbecause,iftheydidnot,therewerenosuccessivereplacementofindividualsandhencenoevolution.(suggest,could)3Theeffectofthesesmallparticlesistocooltheclimateandtopartiallyoffsetthewarmingofincreasingconcentrationsofgreenhousegases.(likely)4Veryhighradiationdoseswilldestroybodyfunctionsandlead

104、todeathwithin60days.(might)5Theeffectsofroutinereleasesofradioactivityfromnuclearplantsdependonhowthespentfuelishandled.(somewhat)6AlthoughtheyalsobegantoeattheGMsoya,theeffectwasmediatedbythetwofirstfactors.(suppose,could)Check globallyTask 1Check grammaticallyTask 210 ProofreadingUnit 5Writing an

105、AcademicEssayProofreadingisthefinalstepofwritinganacademicessay.Itisaboutsearchingyourwritingforbasicgrammaticalandmechanicalerrorstomakesurethatyourpaperisfreefromanyerrorsbeforesubmittingyourpapertoyourteacherorajournal.Herearethesuggestions.l1)Thetitleandabstractl2)Theintroductionsectionl3)Thecon

106、clusionsectionl4)Thebodysectionl5)Topicsentencesl6)Citationl7)ReferenceUnit 5Writing an AcademicEssay10 Proofreading1)Thetitleandabstracta)Isthetitleproperornot?b)Canthereaderpredictthetopicandthemainideaofyouressay?c)Istheabstractwell-writtenornot?d)Doesitincludethepurposeofyouressay,theresearchmet

107、hodologyandthemajorfindingsorconclusions?e)Arethekeywordswell-selectedandcanthereadersfindyouressaythroughthekeywords?2)Theintroductionsectiona)Doesitaddressthetopicdirectly?b)Isthereaclearstatementofpurposeofyouressay?c)Doesitcontaintheresearchquestionsyouwanttostudy?d)Doesitincludealiteraturerevie

108、w?e)Doestheliteraturereviewprovidethereaderwithsufficientbackgroundinformationforthestudyofthetopic?f)Doyoulistpointswhichwillbecoveredinthebodysection?3)Theconcluasionsectiona)Doyoudividethebodysectionintoseveralpartswithaclearheadingforeachpart?b)Aretheseheadingslogicallylinkedandwritteninthesameg

109、rammaticalstructures?c)Istheresearchdesignclearlyandcompletelydescribedifitisprimaryresearch?d)Doesitincludesufficientinformationabouttheparticipants,instruments,data-collectionanddata-analysis?e)Aremajorarguments(forexample,effects,causesoradvantages)logicallyorganized?f)Aretheargumentswell-connect

110、edtoillustratethethesisintheintroductionsection?g)Aretheresearchquestionsyousetupinthebeginningclearlyanswered?4)Thebodysectiona)Aretheresearchquestionsfullyanswered?b)Isthereasummaryofchiefpointsillustratedinthebodysection?c)Doyourestatethepurposeoftheessaystatedintheintroduction?5)Topicsentencesa)

111、Iseachargumentexpressedbyacleartopicsentence?b)Istheparagraphlogicallyorganizedaroundthetopicsentence?c)Isthereanyirrelevantideaordetail?d)Istheideaofthetopicsentencefullydeveloped?6)Citation.a)Doyoudocumentthesourceswheneveryouborrowsomething,bothdirectquotationandparaphrasing?b)Doyouusethein-textd

112、ocumentationwhenthesourcematerialsarecopiedorparaphrased?c)Areyousurethatyourparaphrasingisrewritingsubstantiallyinsteadofchangesofafewwords?d)Areyousurethedirectquotationisusedlessandanindependentparagraphisusedtohighlightitifthequotationrunsmorethantwolines?7)Referencea)Areallthesourcesyouusedinth

113、eessaylistedinfulldetailinthereference?b)Doeseachcitationinthereferenceincludetheauthor,title,dateandplaceofpublicationandsometimespagenumbers?c)Arethecitationsarrangedinanalphabeticalorderbyauthorslastnames?d)Dothecitationsfollowonestyleconsistently?Task1readthefollowingcitationandreferenceinastude

114、ntspaperandanalyzetheproblemswiththemToeveryonessurprisetheuniverseisinfactexpandingfasterandfaster,whichisprovedbySatflPerlmutter,BrainSchmidtandAdamRiess.AccordingtoEinstein,theuniverseisstillandallthesameinpropertyineverydirection(AlbertEinstein,1917).ItisprovedtobewronglaterbyEdwinHubblewhenhedi

115、scoveredthattheuniverseisinfactexpanding(EdwinHubble,1929).In1946,FritzZwickydiscoveredthedarkmatterbyobservinglargegalaxy.Afterthat,theobservingthestarswiththehelpoftelescopehasbecomethenewpowerfulmethodologyofcosmology.Supernovaeisonekindofexplodingstarwhichisextremelybright.Alongwiththelightisthe

116、informationofouruniverse,suchasthedistanceoftheuniversesouterpart.MarioHamuy,theuniversityofChileledtheCalafi/Tololoproject,whichestablishedthebasisofthenewtechnologyusingthesupernovaetomeasurethespaceearlyinthe1990s(Hamuy,1993).Reference:AlbertEinstein.(1917)Thestudyoncosmologyaccordingtothetheoryo

117、fgeneralrelativity.InLiangyingXu,BaohengLi,ZhongliZhao(Eds.),CollectedWorksofEinstein(pp.351-363).TheCommercialPress(CP).20092ndedition.SaulPerlmutter,BrianP.Schmit(2004).Measuringcosmologywithsupernovae.RetrievedNovember202011,fromhttp:/arxiv.org/.MarioHamuy.(2011).ThekeyroleoftheCalafi/Tololoproje

118、ctinthediscoveryoftheacceleratingUniverse.RetrievedNovember2)/2011,fromhttp:/arxiv.org/.1 Noin-textdocumentationforthecitationofSaulPerlmutter,BrainSchmidtandAdamRiess.2 In-textparentheticdocumentationshouldusetheauthorslastnameonly.Sothecorrectuseshouldbelike(Einstein,1917),(Hubble,1929).3 Someauth

119、or(EdwinHubble,1929)ismissedinthereferencelist.4 Thecitationsarenotarrangedinanalphabeticalorderbyauthorslastnames.5 Thedatein(Hamuy,1993)isnotmatchedwiththereference:“MarioHamuy(2011)”.Unit 5Writing an AcademicEssay10 Proofreadingl1)Sentencefragmentsl2)DanglingModifiersl3)AmbiguousPronounReferencel

120、4)ProblemsofAgreementl5)ProblemsofTensel6)ProblemsofArticlesl7)Uncountablenounsl8)Misusedwordsl9)Choppysentencesl10)Run-onsentencesUnit 5Writing an AcademicEssay10 Proofreading1)SentencefragmentsError:Therearemanywaystoimprovecitytraffic.Forexample,wideningstreets,buildingsubwaysandsoon.Revised:Ther

121、earemanywaystoimprovecitytraffic.Forexample,wecanwidenstreets,buildsubwaysandsoon.Error:Hencecancerwillbethreatening.Becausecellsinapartofthebodyhasgrownoutofcontrol.Revised:Hencecancerwillbethreateningbecausecellsinapartofthebodyhasgrownoutofcontrol.Error:Wemustprotectourenvironment.Sincetheearthis

122、theonlyplacehumanbeingscanlivein.Revised:Wemustprotectourenvironment,sincetheearthistheonlyplacehumanbeingscanlivein.2)DanglingModifiersError:Ifcookedunhealthily,onecancatchsomedisease.Revised:Ifcookedunhealthily,healthyfoodwillcausesomedisease.Error:Comparingwithtraditionalfood,wedonotbenefitfromor

123、ganicfoodintermsofnutrition.Revised:Comparingwithtraditionalfood,organicfooddoesnotbenefitusmoreintermsofnutrition.3)AmbiguousPronounReferenceError:Someplantsalsocontaintumor-suppressorproteins.Theyhelptocurbthegrowthofcancercells.Revised:Someplantsalsocontaintumor-suppressorproteinswhichhelptocurbt

124、hegrowthofcancercells.Error:Freudstheorycontributedtothepopularityofdreaminterpretation,whichremainsunknowntousotherwise.Revised:Freudstheorycontributedtothepopularityoftheinterpretationofdreamwhichremainsunknowntousotherwise.4)ProblemsofAgreementError:Themainreasonfortheterminalcanceristhattheyared

125、iagnosedtoolate.Revised:Themainreasonfortheterminalcanceristhatitisdiagnosedtoolate.Error:Thehumanbiologicalclockactuallyfollowapatternofabout25hours.Revised:Thehumanbiologicalclockactuallyfollowsapatternofabout25hours.Error:Oneproblemhumanbeingsarefacedwithnowarehowtousenaturalresourceseconomically

126、.Revised:Oneproblemhumanbeingsarefacedwithnowishowtousenaturalresourceseconomically.5)ProblemsofTenseError:Butmanyoftheseexperimentssufferfrommultipleproblemssuchasthelackofcontrolgroup.Revised:Butmanyoftheseexperimentssufferedfrommultipleproblemssuchasthelackofcontrolgroup.Error:Geneticrevolutionbe

127、ginin1960sandmanymethodsformodifyingtheDNAofplantshavebeencreated.Revised:Geneticrevolutionbeganin1960sandmanymethodsformodifyingtheDNAofplantshavebeencreated.6)ProblemsofArticlesError:Iftherewerenoelectricpower,wewouldhavetodoeverythingbythehands.Revised:Iftherewerenoelectricpower,wewouldhavetodoev

128、erythingbyhand.Error:Thestudyfoundthattheairandthewaterarenecessaryfortherapiddevelopmentofplantroots.Revised:Thestudyfoundthatairandwaterarenecessaryfortherapiddevelopmentofplantroots.Error:Theatmosphereisthinneratthetopofmountainthanatbottomofit.Revised:Theatmosphereisthinneratthetopofamountaintha

129、natthebottomofit.Revised:Thestudyfoundthatairandwaterarenecessaryfortherapiddevelopmentofplantroots.Error:Theatmosphereisthinneratthetopofmountainthanatbottomofit.Revised:Theatmosphereisthinneratthetopofamountainthanatthebottomofit.7)UncountablenounsError:Manyevidenceshavebeengatheredagainstthegenet

130、icallymodifiedfood.Revised:Abundantevidencehasbeengatheredagainstthegeneticallymodifiedfood.Error:Furtherworksshouldbedonetoidentifythemanddevelopacompletesupervisionsystem.Revised:Furtherstudiesshouldbecarriedouttoidentifythemanddevelopacompletesupervisionsystem.Error:Scientistscantreachagreementsy

131、et,becausetheirrelationshipisverycomplicated.Revised:Scientistscantreachagreementyet,becausetheirrelationshipisverycomplicated.8)MisuasedwordsError:Atlast,thispaperendswiththeconclusionthattechnology,supervisionsystem,acautiousandobjectiveattitude,areallessentialtodealwiththeissue.Revised:Finallythi

132、spaperendswiththeconclusionthattechnology,supervisionsystem,acautiousandobjectiveattitude,areallessentialtodealwiththeissue.Error:Ourstudywillbedividedintotwoparts:Howtheproblemhasbeenraisedandwhatwayscanbeusedtoaddressit.Revised:Ourstudywillbedividedintotwoparts:Howtheproblemhasarisenandwhatwayscan

133、beusedtoaddressit.9)ChoppysentencesError:BroccoliisrichinvitaminCandhighinantioxidant.Itcanpreventthehumanbodyfrombeingdamagedbyoxidantenvironment.Revised:Broccoli,richinvitaminCandhighinantioxidant,canpreventthehumanbodyfrombeingdamagedbyoxidantenvironment.Error:Cloudcomputingisanewconcept.Itwasint

134、roducedinjustrecentyears.Itcanbecomparedtothesupplyofelectricityandgasortheprovisionoftelevisionandtelephone.Revised:Cloudcomputing,anewconceptintroducedinjustrecentyears,canbecomparedtothesupplyofelectricityandgasortheprovisionoftelevisionandtelephone.10)Run-onsentencesError:Geneticallymodifiedfood

135、hasbeenpartofourlife,however,whetheritisanangeloradevilisstillanopenissue.Revised:Geneticallymodifiedfoodhasbeenpartofourlife.However,whetheritisanangeloradevilisstillanopenissue.Error:TheInternetisalargesourceofinformationanditprovidesalmostanythingyouwanttoknowandsothenumberoftheusersisincreasingr

136、apidly.Revised:ThenumberoftheInternetusersisincreasingrapidlyastheInternet,alargesourceofinformation,providesalmostanythingonewantstoknow.Task2readthefollowingpartofastudentspaperandcorrectmistkesifyoufindanyE-Paper-APowerfulOpponentofTraditionalPaperAbstractThisstudyexaminedthedifferencebetweenE-pa

137、perandtraditionalwoodpaper.InordertofindwhetherE-paperwilltaketheplaceofwoodpaperinthefuture,wehaveadeepinspectionintotheworkingprinciples,functions,andapplicationsofdifferentkindofE-paper.WedemonstratehowE-paperiswidelyusednow.AtlastwepredictedthatE-paperwouldhaveabrightfutureandchangeourlifeinmany

138、areasaccordingtothehugesuccessithasachievednow.Butwehaveasuspensionaboutthesubstitutionforwoodpaper.1.IntroductionPaperisoneoftheoldestmediumforpeopletocommunicateideastoothers.Butnewtechnologieswhichmadeitnotasimportantaspastcame-paper.SowhatisE-paperindeed?Actuallyitisaconceptwhichwasexpressedasat

139、echnologydesignedtomimictheappearanceofordinaryinkonpaper.WhatIwanttoshowinmyessayisthecomparisonbetweentraditionalpaperandE-paper.AcomparisonbetweenE-paperandtraditionaldisplaytechnologywillberaisedandIwillgivetheprospectsofthispaperaccordingtothelatestinformation.2.ExpectationsforE-paperForanydisp

140、lays,thebasicfunctionisreadingability.Toordinarypaper,itisnotaproblembecauseitneednotworryabouttheresolution.ButforE-paper,thisisactuallyacorefocus.Youmaynotfeelthathowitdifferencetraditionalpaperfromyourcomputerscreen.However,whenyoucheckthedetailsofyourpictureoncomputerscreen,itisreallyblurandposs

141、iblymostofyoucannotbearit.Whythishappens?MostoftheelectronicscreensdesignednowuseLEDdisplaytechnology;massivecrystalscombinedintouniqueordersandthisshowyouthepattern.Sothequantityofthesecrystalswillmostlydecidethedefinition.Apartfromdefinition,scientificresearchshowsthattomeetthedemandsofourhumanbei

142、ngsreading,somepaaiculartargetshouldbemet,likecontrastratio,refinanceandothers.3.TheLatestTechnologiesChallengeTraditionalpaper4.ABrightFuturepfE-paperHowthenewtechnologiesareappliedandhowtheywillbeisabigquestion.Becauseitisrelatedtohowourpeopleseethisworld-readwoodpaperorscreens.Comparingwiththeold

143、woodpaper,thespecialadvantagesthatportability,hugeinformationsaving,individuationisactuallyattractive.AndcomparingwithtraditionalLEDscreen,itismorecomfortabletoread,thestableimage,wideviewingangle,highcontrastratio,high-resolutionallmakingitanexcellentdeviceforreadingenthusiasts!Soalotofnewproductsw

144、ithE-paperhavecometoourlife.5.ConclusionThoughtherearemanyweaknessfore-papernow-itisfragileandwecannotgetcolorfuldisplaywithlowprice-thetrendshowsthatitwillupdatequickinthefuture.Mostofuspossiblycannotimagineaworldwithoutwoodpaperbecausewehavebeenusedofitforthousandsofyears.Iamnowexpectingaprospectthatwecouldbringaportablelibraryandreadlikerealbookinanyplace.Ifyouwantknowhowsciencechangeourlife.Ithinkthisessaymayshowyoutheanswer.

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