北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (4).pptVIP免费

Unit4InventionsandInventorsairpollutionInmanybigcitiesintheworld,theoveruseofcarsisthoughttobeoneofthemajor（主要的）causes（原因）ofairpollution.•trafficaccident•Morethan100,000peoplewerekilledbycarseveryyearinChina.Veryfewpeoplewillbekilledbyfuturecars.Lesson151.bekilledby2.bepushedby3.theoveruseof4.oneof5.introuble6.fivemilesperhour7.warnsb.nottodo8.askfor9.holdthesameidea10.besurethat被…杀害被…推动过度使用……其中之一处于麻烦中每小时5英里警告某人别做某事请求持有同样的意见确信Usefulexpressions11.besolvedby12.inshortsupply13.runonwater14.runningwater15.inaccidents16.airconditioning17.pollutioncontrolsystem18.thedriver’sfeet19.carcompanieswiththeproductionofthesupercar.被…解决供应短缺靠水运转流动水，自来水在事故里空调污染控制系统司机的脚生产超级小汽车的汽车公司Read1.2thepassagequicklyandchoosethebesttitle.•Thecauseofairpollution•Carsinthefuture•Problemsoffuturecars•Carsinthefuture•Inmanybigcitiesintheworld,theoveruseofcarsisthoughttobeoneofthemajorcausesofairpollution.Whatwillcarsbelikeinthefuture?•Carsinthefuture•Inmanybigcitiesintheworld,theoveruseofcarsisthoughttobeoneofthemajorcausesofairpollution.Whatwillcarsbelikeinthefuture?Someexperts…Othercarexperts…•Carsinthefuture•Inmanybigcitiesintheworld,theoveruseofcarsisthoughttobeoneofthemajorcausesofairpollution.Whatwillcarsbelikeinthefuture?Someexperts…Othercarexperts…主题中心句•SomeexpertsOthercarexpertsthinkthattoday’scarsareintroublebecausetheyusetoomuchgas.thinkthatallproblemswillsoonbesolvedbycarcompanieswiththeproductionofthesupercar.Someexpertsthinkthattoday’scarsareintroublebecausetheyusetoomuchgas.外观much,muchsmall内置withoutamotororairconditioningnoradioandnolightanopenaircarwithnodoorsandwindowswithoutapollutioncontralsystem动力、能源bepushedbythedriver’sfeet速度befivemilesperhour颜色Ingreyonly•Othercarexpertsthinkthatallproblemswillsoonbesolvedbycarcompanieswiththeproductionofthesupercar.•Othercarexpertsdonotholdthesameidea.Theyaresuret...