Unit 4 Topic 1 Section C 课件 2.ppt

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1、Unit4AmazingScienceTopic1Whenwasitinvented?SectionC课件1AmazingScienceWouldyouliketosaysomethingaboutthem?LookandunderstandRobots—OurServantsintheFuture?Hello!Weareyourfriends.Wecanhelpyoudodangerousanddifficultwork.Haveyoueverseenarobot?Wouldyouliketodescribeitforus?Findandcircletheword

2、sin1aaccordingtothefollowingmeanings,thenwritethemdown.1.totellsomebodythatsomethingbadordangerousmayhappensothattheycanpreventit()2.tomakesomethinghappenorappear（　　　）3.apersonwhoispaidtodohouseworkforafamily（　　　）4.sureandconfident,withoutanydoubts（　　　）5.tobehaveinaspecialwaytowardssom

3、ebodyorsomething()warncauseservantcertaintreat探究学习1.Nooneknowsforcertain.没有人确切地知道。noone与nonea.noone用来指人，其后不能接of短语，用做主语时，谓语动词用单数。Noonelikesapersonwithbadmanners.b.none既能指人又能指物，其后可以接of短语，当of后是可数名词复数时，谓语动词用单、复数均可。Noneofthestudentsis/areintheclassroom.c.特别注意：①——Howmanypeoplearethereinthatr

4、oom?——None.②——Whoisinthatroomnow?——Noone.——Howmuchwillthecarcost？——Ican’tsayforcertain.forcertain确切地2.allthetime=always一直，总是3.besurprisedat/by…对……感到惊讶besurprisedtodosth.Theboylistenedtotheradioallthetime.Theforeignvisitorsweresurprisedatthegreatwonders.IwassurprisedtohearIhadpassedthee

5、xam.4.Oncerobotscanthinkforthemselves,problemsmayappear.once在这用作连词，意为“一旦……就……”,引导时间状语从句。thinkforoneself独立思考Onceyougetusedtoit,youwilllikeit.Ioftenteachmystudentstothinkforthemselves.5.Onescientistwarnsthatifrobotsstarttothinkforthemselves,theywillnolongerwanttobeourservants,butourmaste

6、rs.a.warnwarnsb.(not)todo.告诫某人(不）做某事warnsb.about/ofsth.警告某人注意某事b.nolonger=not…anylongernomore=not…anymore6.Theymighttreatusaswenowtreatpets.他们可能会像我们现在对待宠物那样对待我们。a.might是may的过去式，可用于指过去，也可用于指现在，但语气缓和、委婉。b.treat…as…以……方式对待……/把……看做……7.bemeanttodosth.应该做某事8.inthemedicalfield在医学领域field有“学科，领

7、域，专业”等含义9.makeacontribution/contributionsto…为……做贡献注意：makeacontribution/contributionstodoingsth.10.haveaneffect/effectson…对……有影响Ithinkthepolicearemeanttoprotectpeople.Hemadegreatcontributionstoscience.Weshouldmakeacontributiontoprotectingtheenvironment.Playingcomputergamestoomuchhasab