九年级英语上册 unit4Topic2SectionC 课件 仁爱版.ppt

youarewelcome lookatthepictures thenaskandanswer paper madefrom towel madeof from toothbrush cleanteeth ink write 1 2 3 4 a what sthisinenglish howdousaythisinenglish b it s a what sitmadeof b it smadeof a what situsedfor b it susedfor askandanswerinpairs 1 a what sthisinenglish b it s a whowasitinventedby b itwasinventedby a whenwasitinvented b acar karlbenz 1885 1 2 atv johnbaird 1926 3 atelephone alexandergrahambell 1876 2 whatdoyouthinkofcloning checking youropinionsandexplainyourresultstotheclass unit4fantasticsciencetopic2whenwasitinvented sectioncrobots ourservantsinthefuture lookatthepictureandtalkaboutit 1 what sthis 2 whatcanrobotsdoforhumans 3 doyouthinkrobotswillbeourmastersinthefuture 1 robotscandodangerouswork 2 robotscandohardwork 3 robotscanworkfasterthanhumans butrobotswillmakehumanslosetheirjobs listentothepassageandanswerthefollowingquestions 1 areyousurethatrobotswillbeapartoflife 2 willtheybefriendly 3 willrobotscreateproblemsforhumans readthepassageanddiscussthequestionswithyourpartner finish1c 1 doyouthinkthatrobotswillbeapartofourlivesinthefuture 2 robotsaremeanttobeourservants aren tthey 3 doyouthinkrobotscanthinkoractforthemselves 4 whydoesthetitleneedaquestionmark 1 know sayforcertain 确切知道 肯定地说 2 besurprisedat 对 感到惊讶 3 inafewyears in 在 以后 4 once 一旦 5 warn 警告 warnsbof about sthwarnsbnottodo6 nolonger 不再 not anylonger iknowforcertainthathe sin buthewon tanswerme hewillcomebackinafewdays onceyouneedhelp pleasecallme heoftenwarnsusofthedangerhere theteachersoftenwarnusnottoswimintheriver youarenolongeralittlechild youaren talittlechildanylonger matchthewordswiththeirmeanings fnish1b1 servanta tellsbthatsomethingbadordangerousmayhappensothattheycanpreventit2 certainb makesthhappenorappear3 warnc apersonwhoworksinanotherperson shouse4 caused sureandconfident withoutanydoubts groupworkdiscusstheadvantagesandtheadvantagesofrobots advantages 1 robotscandosomeworkbetterthanhumans 2 robotscandodangerouswork 3 robotscandohardwork 4 robotscanworkfasterthanhumans 5 robotsworkwithoutpay 6 robotsmaytaketheplaceofhumansinsomesituations disadvantages 1 robotswillmakehumanslosetheirjobs 2 robotswillmakehumanslazy 3 oncerobotsthinkforthemselves theywillnolongerwanttobeoursservants butourmasters homework writtenwork designarobotandwriteapassageaboutit thefollowingquestionsmayhelpyou 1 w