英语仁爱版九上U4T1SC课件.ppt

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1、SectionCUnit4AmazingScienceTopic1Spaceshipsaremainlycontrolledbycomputers.哈尔滨市阿城区杨树民主学校冯玉梅李培良神六飞行纪录片Thespaceshipismainlycontrolledbycomputers.（影片）Thereisnodoubtthatwewillbesuccessful.Idon'tdoubtthattheywillbeabletosolvetheproblems.doubtn.&v.怀疑，不信；拿不准2.doubt(vt.)+从句3.doubt(vi.)+about/ofDoubtis

2、thekeytoknowledge.Thereisnoreasontodoubtofhishonesty.Idoubtwhether/ifhe'llchangehismind.1.doubt(n.)tinyverysmallinsizeatinygirlconnectv.连接connectionn.关系，联系1.connectAwithB使A与B连接2.connectsth.(tosth.)使电、气、水等接通3.connectsb./sth.(withsb./sth.)与……有联系，把……联系起来64尺超大型（Huge）32尺大型（Large）16尺中型（Medium）8尺小型（

3、Small）4尺超小型（Tiny）1.spend…(in)doingsth.2.spend…onsth.timeandmoneypay(money)for…Ittakessb.sometimetodosth.sth.cost(s)sb.moneyComputershelpastronautscontrolthespeedanddirectionofaspaceship’sflight.Robotscontrolledbycomputerscandoworkthatisdangeroustohumans.Thispictureshowsusthatdoctorscanfinddis

4、easeseasilywiththehelpofcomputers.Computersarealsousedinbusinesstoplaceandcancelorders.1.Isittoolatetocancelmyorder?2.HowcanIcancelmyaccount?听P81-1a的录音,感知文章大意。再听,讨论重点句Listenagain,discussthesekeysentences.1.Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.2.Tinycomputersinsidepa

5、tients’bodieskeeptheirheartsbeatingnormally.3.Theyhavemadetheworkplacesaferandbetter.4.Theyusethemtoplaygamesandwatchmovies.（录音）Read1aagain,thenfilloutthetablebelow.PlaceTheusageofcomputersInspaceInhospitalsInfactoriesAthomecontrolthespeedanddirectionfinddiseaseseasilyandsolveotherproblemsdod

6、angerousworkpalygames,watchmovies（影片）Retellthetextaccordingtothetable.computersAreasofworkandleisureintechnologyinbusinessinspaceinhospitalsinfactoriesinaworkplaceastronautscontrolthespeedanddirectionfinddiseaseseasilysolveotherproblemsdoctorsrobotsdodangerousworkbusinessmenplaceandcancelorde

7、rsworkersbesaferadvantagesathomeplaygameswatchmoviesdoshoppingdobusinesssende-mailschatonlinegetheadachesorsoreeyesnotimetostudywellorgetenoughexercisesomethingisnottrueorgoodforusmembersoffamiliesdisadvantagesadvantagesTalkabouttheadvantages