Unit 4 Topic 3 Section C 课件 1

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1、Unit4AmazingScienceTopic3Chinaisthethirdnationthatsentapersonintospace.SectionC课件1Let'slearnThereisnodoubtthatwewillbesuccessful.Idon'tdoubtthattheywillbeabletosolvetheproblems.doubtn.&v.怀疑，不信；拿不准2.doubt(vt.)+从句3.doubt(vi.)+about/ofDoubtisthekeytoknowledge.Thereisnoreaso

2、ntodoubtofhishonesty.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（Small）4尺超小

3、型（Tiny）1.spend…(in)doingsth.2.spend…onsth.timeandmoneypay(money)for…Ittakessb.sometimetodosth.sth.cost(s)sb.moneyComputershelpastronautscontrolthespeedanddirectionofaspaceship’sflight.Robotscontrolledbycomputerscandoworkthatisdangeroustohumans.Thispictureshowsusthatdocto

4、rscanfinddiseaseseasilywiththehelpofcomputers.Computersarealsousedinbusinesstoplaceandcancelorders.1.Isittoolatetocancelmyorder?2.HowcanIcancelmyaccount?听1a的录音,感知文章大意。再听,讨论重点句Listenagain,discussthesekeysentences.1.Thereisnodoubtthatcomputersareveryusefulintechnologyandbu

5、siness.2.Tinycomputersinsidepatients'bodieskeeptheirheartsbeatingnormally.3.Theyhavemadetheworkplacesaferandbetter.4.Theyusethemtoplaygamesandwatchmovies.Read1aagain,thenfilloutthetablebelow.PlaceTheusageofcomputersInspaceInhospitalsInfactoriesAthomecontrolthespeedanddir

6、ectionfinddiseaseseasilyandsolveotherproblemsdodangerousworkplaygames,watchmoviesRetellthetextaccordingtothetable.computersAreasofworkandleisureintechnologyinbusinessinspaceinhospitalsinfactoriesinaworkplaceastronautscontrolthespeedanddirectionfinddiseaseseasilysolveothe

7、rproblemsdoctorsrobotsdodangerousworkbusinessmenplaceandcancelordersworkersbesaferadvantagesathomeplaygameswatchmoviesdoshoppingdobusinesssende-mailschatonlinegetheadachesorsoreeyesnotimetostudywellorgetenoughexercisesomethingisnottrueorgoodforusmembersoffamiliesdisadvan

8、tagesadvantagesTalkabouttheadvantagesofthecomputeringroups.Talkaboutthedisadvantagesofthecomputer.Listt