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ID:36259926
大小:2.41 MB
页数:18页
时间:2019-05-07
《unit three how did you go to hangzhou lesson 11 课件4》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、UNITTHREEHOWDIDYOUGOTOHANGZHOULesson11Itisatoolofcommunication;Itisconvenienttotakealongwithyou;Youcanhearaperson’svoicewhenusingit.Youcancallupsbnowandthen;mobilephoneInventionIt’salwaysequippedinhighbuildings;LifteorElevatorPeoplecangoupanddowninitin
2、steadofclimbingsteps.Itlookslikeasmallroom;vvvInventionItisoneofthefourgreatinventionsinancientchina.Itisblack.Peoplecanuseittomakebombs.powderInventionItisameansoftransportation.Ithasfourwheels.Peoplecandriveitonland.carWhyaretheyclever?IssacNewton艾萨克
3、·牛顿gravitydiscoveredBenFranklinLightningiselectricitydiscoveredWhyaretheyclever?radiumMadameCurie玛丽亚·斯克沃多夫斯卡-居里discoveredWhyaretheyclever?whodoyouthinkthismanis?CaiLun↓papermakingThomasEdison________theelectricbulbinventedAdiscoveryis__________________
4、__________________________________.alreadyexistinginnaturebutnotyetknownfindingoutsomethingbyhumanbeings(2)Aninventionis________________________________.somethingthatcreatedThepurposeofinventionsisconvenientcomfortabletomakeourlifemoreWhataretheimporta
5、ntinventionsofthe20thcentury?Whichdoyouthinkisthemostimportantone?YearInventionInventor(s)1902AirconditionWillisCarrie1903Gas-motoredandmannedplaneWrightbrothers1910ThefirsttalkingfilmThomasEdison1923TelevisionLogieBaird1928PenicillinAlexanderFleming19
6、37photocopierChesterFCarlson1940ColortelevisionPeterGoldmark1942ElectronicdigitalcomputerAmericanscientists1945AtomicbombAmericanscientists1950CreditcardsRalphSchneide1985WindowsOSMicrosoftCompany1990WorldWideWebTimburners-leeHomework1.readthetextthoro
7、ughly.2.previewthewordsandexpressions.Thankyou!
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