仁爱版九年级英语_unit4_Topic2_SectionC_PPT课件

Youarewelcome,Review:Lookatthepictures,thenaskandanswer,paper/madefrom,towel/madeof(from),toothbrush/cleanteeth,ink/write,1,2,3,4,A:WhatsthisinEnglish?(HowdousaythisinEnglish?)B:Its-A:Whatsitmadeof?B:Itsmadeof-A:Whatsitusedfor?B:Itsusedfor-,Askandanswerinpairs,1),Whatdoyouthinkofcloning?Checking()youropinionsandexplainyourresultstotheclass.,Unit4FantasticScienceTopic2Whenwasitinvented?SectionCRobots-OurServantsintheFuture,Lookatthepictureandtalkaboutit.,1.Whatsthis?2.Whatcanrobotsdoforhumans?3.Doyouthinkrobotswillbeourmastersinthefuture?,(1)Robotscandodangerouswork.,(2)Robotscandohardwork.,(3)Robotscanworkfasterthanhumans.-,Butrobotswillmakehumanslosetheirjobs.-,Listentothepassageandanswerthefollowingquestions.,1.Areyousurethatrobotswillbeapartoflife?2.Willtheybefriendly?3.Willrobotscreateproblemsforhumans?,Readthepassagebyyourselfanddiscussthefollowingquestionsingroups.,1.Areyousurethatrobotswillbeapartoflife?2.Robotsaremeanttobeourservants,arentthey?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,Iknowforcertainthathesin,buthewontanswerme.,Hewillcomebackinafewdays.,Onceyouneedhelp,pleasecallme.,Heoftenwarnsusofthedangerhere.,Theteachersoftenwarnusnottoswimintheriver.,Youarenolongeralittlechild./Youarentalittlechildanylonger.,Iamsurprisedatwhathedid.,Matchthewordswiththeirmeanings.Fnish1b1.servanta.tellsbthatsomethingbadordangerousmayhappensothattheycanpreventit2.certainb.makesthhappenorappear3.warnc.apersonwhoworksinanotherpersonshouse4.caused.sureandconfident,withoutanydoubts,Readthepassageandunderlinethefollowingwordsandexpressions,thenmakesentenceswiththewordstotalkaboutrobots,youcanusethesamesentencesasthepassageifyouremember.,future,certain,friendly,cause,servants,help,development,perhaps,however,warn,nolonger,if,lucky,treat,war,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.Thefollowingquestionsmayhelpy