哈尔滨市阿城区杨树民主学校魏培培李培良

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1、哈尔滨市阿城区杨树民主学校魏培培李培良Unit4AmazingScienceTopic2Whenwasitinvented?SectionCAmazingScienceWouldyouliketosaysomethingaboutthem?ComputerInvent/inAmerica/in1946ShenzhouⅥLaunch/inChina/in2005CloningExperiment/Dolly/DNALookandunderstand录音Robots—OurServantsintheFuture?Hello!Weareyourfriends.Wecanhelpy

2、oudodangerousanddifficultwork.Haveyoueverseenarobot?Wouldyouliketodescribeitforus?1.Doyouthinkthatrobotswillbepartofourlivesinthefuture?2.Robotsaremeanttobeourservants,aren’tthey?3.Doyouthinkrobotscanthinkoractforthemselves?4.Whydoesthetitlehaveaquestionmark?Readthepassageanddiscusstheques

3、tionswithyourpartner.Findandcirclethewordsin1aaccordingtothefollowingmeanings,thenwritethemdown.1.totellsomebodythatsomethingbadordangerousmayhappensothattheycanpreventit()2.tomakesomethinghappenorappear（　　　）3.apersonwhoispaidtodohouseworkforafamily（　　　）4.sureandconfident,withoutanydoubts（

4、　　　）5.tobehaveinaspecialwaytowardssomebodyorsomething()warncauseservantcertaintreat1.Nooneknowsforcertain.没有人确切地知道。noone与none探究学习a.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

5、意：①——Howmanypeoplearethereinthatroom?——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.4.Oncerobotscanthinkforthemselves,problemsmayappear.once在这用作连词，意为“一旦……就……”,引导时间状语从句。thin

6、kforoneself独立思考探究学习Theboylistenedtotheradioallthetime.Theforeignvisitorsweresurprisedatthegreatwonders.IwassurprisedtohearIhadpassedtheexam.Onceyougetusedtoit,youwilllikeit.Ioftenteachmystudentstothinkforthemselves.5.Onescientistwarnsthatifrobotsstarttothinkforthemselves,theywillnolongerwa

7、nttobeourservants,butourmasters.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……探究