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1、 学术英语理工 AcademicEnglishforScienceandEngineering Unit2SearchingforInformation UnitContents 1Findingreliableandbettersources2Scanningandskimming3Identifyingtopicsentencesforinformation4Guessingwordmeaning5Usingtheorganizationofthetext6Readingcritically7Takingnotes8Writingasummary 1Findingreliableandbe
2、ttersources ToevaluatesourcematerialsTasks Unit2SearchingforInformation 1Findingreliableandbettersources Toevaluatesourcematerials Isthematerialaprimaryorasecondarysource Isthesourcethelatestone Istheauthorareliablescholaroranexpertinthefield Doestheauthorhavebiasesorprejudices Hastheauthorbeencited
3、frequentlyinthefield Aretheauthor sargumentssupportedbyevidencesuchasstatistics experiment recentscientificfindings Aredifferentopinionsconsideredandweighedorsimplyignored Aretheauthor sargumentsandconclusionsconvincing Unit2SearchingforInformation 1Findingreliableandbettersources Tasks Checkthereli
4、abilityofthesourcesonPage40 Searchforsourcematerialsyourpapermayuseandthenwritedownthetitlesandsourcesofthearticles ThemodelisgivenonPage41 Markthereasonsforyourchoiceofthearticles Unit2SearchingforInformation 2Scanningandskimming TipsforscanningandskimmingTask1usingscanningandskimmingstrategyText5C
5、anyoucompletewithA I fortheNextjob Unit2SearchingforInformation 2Scanningandskimming Tipsforscanningandskimming keepinmindatalltimeswhatyouaresearchingfor e g thedefinitionofaterm theeffectofaphenomenon searchthesisstatementsandtopicsentencesinparagraphsfortheinformationyouwanttogain usetheknowledge
6、oftheessayorganization suchascause effect comparison contrast problem solution tofindwhatyouarelookingfor payattentiontosignalwordssuchasnumbers letters steps thewordssuchasfirst second andnext orwordsthatarebold faced italics orindifferentsizes fonts etc Scanning Unit2SearchingforInformation 2Scann
7、ingandskimming Tipsforscanningandskimming thetitleandsubtitles theabstract ifthereisone theintroductionandthesis thefirstorlastparagraphsoftheessays chapters headingsandsubheadings theconclusionandsummaries thefirstsentenceorthelastsentenceofeachparagraph highlightedtextssuchaswordsinboldoritalictex
8、t graphs tablesordiagrams Skimming Unit2SearchingforInformation 2Scanningandskimming Whatdoes A I inthetitlestandfor Artificialintelligence 2Whatisthemainideaofthearticleyoumaypredictfromthetitle 3Whatdoesthestoryinthefirstparagraphimply Thearticlemayarguefor againtheideathatArtificialintelligencewi
9、llreplacehumanjobsinthefuture Thestorytellsthatcomputerizationthreatenstoreplacemanywhite collarjobs Unit2SearchingforInformation 2Scanningandskimming 4Whatdoesthelastparagraphsuggestintermsoftheauthor sattitude Theauthorisoptimisticandmaynotagreethatmachineswillreplacehumanjobs 5Whatisthetopicsente
10、nceofthesecondparagraph Thespecterofautomationunemployingusallmayhavefinallyarrived Unit2SearchingforInformation 2Scanningandskimming 6Thekeysentencereferstothesentenceinformingreadersoftheattitudeoftheauthor Canyoulocatethekeysentence s inthefirstthreeparagraphs 7Canyoulocatetheplaceswheretheideaof
11、thekeysentenceisrepeated Butthemassjobshrinkagethattheseobserversallexpecteddidnotcome YetAmericansasawholewerenotautomatedoutofwork Para 8 L1 Yet throughallthat morenewjobsappeared Para 11 L2 Unit2SearchingforInformation 2Scanningandskimming 8Whatdoesthesubheading Demandsofaneweconomy tellus Manwil
12、lnotlosejobsbecausetherewillalwaysbedemandsofaneweconomy 9WhatdoesoneofLeinbach sneighborsmeanwhenshewroteabouttheorderofhershoes 10Whatdoesthesubheading Savingleadstospending mean Theneighborswouldprefertoordertheshoesfrommachine handlingfactories Savingwillleadtospendingwhichinturnwillcreatenewer
13、perhapsbetterjobstomorrow Unit2SearchingforInformation Unit2Searchingforinformation AdditionalquestionsforyourunderstandingofText5 2Scanningandskimming 1WhatwasthevirtualendoffarminginAmericanhistory PleaseexplainthedecliningtrendoffarmingworkersintheUS ThebiggestoccupationaldisplacementinAmericanhi
14、storywasthevirtualendoffarming Decliningtrend AroundthetimeoftheRevolution about90percentofAmericanswereinvolvedinfarming Butastheagriculturalindustrygrew itneededfewerandfewerworkers Theabsolutenumberofpeoplewhoworkedatfarmingandranchinghititspeakinabout1910 ataround11or12million andthenthenumberdr
15、oppedoffrapidly Today agricultureprovidesfewerthantwomillionjobs AdditionalquestionsforyourunderstandingofText5 2Whatistheexamplethewritergivestoshowthatautomationmadeproductscheaper Theexampleis Around1900apoundofbreadcostanAmericanabouthalfanhourofhardfactorywork around2000 apoundoffresher morenut
16、ritiousbreadcostaboutfiveminutesofmucheasierwork 2Scanningandskimming Unit2Searchingforinformation AdditionalquestionsforyourunderstandingofText5 3WhatdoesthehistoricaltrendinAmericanworksuggest ThehistoricaltrendinAmericanworksuggestssomeoptimismthatbetterjobsforhumansarecoming buthistoryalsosuggeststhatfewtrendsmoveinthesamedirectionforverylong 2Scanningandskimming Unit2Searchingforinformation Enhancingyouracademiclanguage Matchthewordswiththeirdefinitions 5 c 10 i 1 e 2 h 3 a 4 g 6 b 7 j 8 f
