《高中英语 Unit3《Inventors and Inventions》课件using language 新人教版选修》由会员分享，可在线阅读，更多相关《高中英语 Unit3《Inventors and Inventions》课件using language 新人教版选修（39页珍藏版）》请在金锄头文库上搜索。
1、2 Speaking Writing 1 Listening Discussing 1 Listening discussing ListeningonPage62 Readthesequestionsbeforelisteninganddiscusstheminpairs 1 Whatfunctionsarealreadyincludedonamobilephone 2 Whichonesdoyoufinduseful 3 Whatelsedoyouexpectamobilephonetodoforyou amobilethat think amobilethatspendsyourmone
2、y amobilethatcanteachyouEnglish amobilethatchoosesyourholiday Listentothetapeandtickthedescriptionsyouhaveheard amobilethatmakestea amobilethatisacomputer amobilethatwakesyouup amobilethatordersyourfood Listentothetapeagainandanswerthesequestions WhichmobiledoesMarythinkshewillbuyandwhy Marywantstob
3、uythemobilethatturnsitselfonwhenitreceivesimportantcalls Shemissedthreeyesterdaywhenhermobilewasswitched turnedoff 2 Whatextraapplicationsdomobileshavenow Mobilescantakephotographsandactasacomputernow 3 Whatextraapplicationswilltheyhavewiththe3 Gmobiles Theywillbeabletomonitorhowyouuseyourphone They
4、willbookholidays choosetheairline hotelandanappropriateplacetostay Theywillauthorizepayingforthemtoo 4 WhyisMaryworried Maryisworriedbecauseitmightspendhermoney 5 Whatadvantagesdothe3Gmobilesoffer Theadvantagesarethatithelpspeoplewhoarebusyatworktoordergoodsatthecheapestpriceorbookholidays airticket
5、s etc 6 Whatdoyouthinkmightgowrong Listeningtext WHICHONESHOULDICHOOSE MaryBrownisaskingherfriend ZhangJie foradvice MB Hallo isthatZhangJie ThisisMary I mthinkingofbuyinganewmobilephone Whatdoyousuggest ZJ HalloMary I mhappytohelp It sluckyyoucouldgetthrough I vebeenhavingsometroublewiththelineandI
6、keepgettingcutoff Ifthelinegoesdead ringmebackimmediatelyonmymobileanditshouldbeOK Nowwhatdoyouwantyourmobiletodo MB Well I veheardaboutmobilesthatarecomputersandcantakephotographsaswell Doyouthinkthey reagoodidea ZJ Mmm Yes they reuseful IcanusetheInternetevenwhenI monthetrain MB Soyousuggestonelik
7、ethatthen ZJ Notnecessarily Itseemsthere llbesomenewmobilephonescomingonthemarketnextyear They regoingtobeevenmorepowerfulthantheonesonthemarketnow MB Whataretheygoingtodo ZJ Oh you venoideawhatthey replanning Thesenewphoneswillbeabletoorganizeyourlife They recalled3Gphonesbecausethey rethethirdgene
8、rationofmobilephones They think foryou MB Howcantheydothat ZJ Well they llbeabletomonitorhowyouuseyourphone Whenyouplanaholiday thephonewillknowwhichairlineyouliketoflywith andwillbooktheseatsandthehotel Thenit llpayforyou MB Wow I mnotsureI dbehappywiththat Idon tliketheideaofamachinespendingmymone
9、y ZJ Well manybusinessesalreadyusemobilephonestobuygoods Theyleavethemtoordergoodswhentheyareattheircheapest MB Dotheyreally Well Inever WhatIneedisamobiletostopmemissingimportantcalls Imissedthreeyesterdaybecausemymobilewasswitchedoff ZJ Youcanhavethattoo There sanewmobilecomingoutsoonthatwillturni
10、tselfonwhenimportantcallscomethrough MB Areyousure Ifthat sthecase that stheoneforme Thankyou ZhangJie IthinkI llwaitforthatone Goodbye ZJ Goodbye 2 speaking writing LookattheseChineseinventionsonP68inpairsanddiscusswhatyouknowaboutthem Thinkaboutwhattheywereusedforandthedatetheywereinvented Collect
11、theinformationbydoingsomeresearch Fillinthechartandpreparetotalkaboutoneoftheinventionstotheclass 1Anabacusisusedtocalculatemathematicalproblemsincludingequations Itismoreefficientthanusingthebrainalone ItwasneverusedintheWest butitisclosestinfunctiontoamodernpersonalcalculator 2Theprintingpresswasu
12、sedtoprintmessagesfromtheEmperortothepeople Ithelpedtheefficiencyofgovernment Gutenburg 1398 1468 begantoprintbooksonhispressabout1450ADinGermany 3Awater poweredclockwasusedtomeasurethepositionandmovementofthestarsinthesky ItdatesbacktotheNorthernSongDynasty TheWestdidnotevendiscoverthesunwasthecent
13、reoftheuniverseuntilCopernicusinthefifteenthcenturyAD YouhavebeenaskedtowriteanentryforanencyclopediaaboutoneofthesethreeChineseinventions Chooseoneandpreparetowriteyourreport Youwillincludeaphotographordrawing butyoumustexplainsomeimportantpointsinyourreport Writing adescriptionoftheobjectwhatitwas
14、usedforhowitwasusedwhenitwasinvented Makesurethateachpointisanewparagraph Makethefirstsentenceofeachparagraphatopicsentenceandthenaddalltheinformation FinishthereportbystationwhenitwasproducedinChinaandwhenitwasfoundinWesterncountries Asampleversion Theabacusistypicallyconstructedofvarioustypesofhar
15、dwoodsandcomesinvarioussizes Theframeoftheabacushasaseriesofverticalrodsonwhichanumberofwoodenbeadsareallowedtoslidefreely Ahorizontalbeamseparatestheframe intotwosections knownastheupperdeckandthelowerdeck Thestandardabacuscanbeusedtoperformaddition subtraction divisionandmultiplication Theabacusca
16、nalsobeusedtoextractsquare rootsandcubicroots Theabacusispreparedforusebyplacingitflatontableorone slapandpushingallthebeadsonboththeupperandlowerdecksawayfromthebeam Theheadsaremanipulatedwitheithertheindexfingerorthethumbofonehand Eachheadinthe upperdeckhasavalueof5 eachbeadsinthelowerdeckhasavalueof1 Beadsareconsideredcounted whenmovedtowardsthebeamthatseparatesthetwodecks After5headsarecountedinthelowerdeck theresultiscarriedtotheupperdeck afterbothheadsintheupperdeckarecounted theresult10is
