九上U4T2SC.ppt

文档介绍：Unit4AmazingScienceTopic2Whenwasitinvented?LookandunderstandRobots—OurServantsintheFuture?Hello!?,aren’tthey????Wouldyouliketodescribeitforus?ordingtothefollowingmeanings,()( )( ),withoutanydoubts( )()。,其后不能接of短语,用做主语时,谓语动词用单数。,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/:①——Howmanypeoplearethereinthatroom?——None.②——Whoisinthatroomnow?——Noone.——Howmuchwillthecarcost?——Ican’=always一直,…对……,,意为“一旦……就……”,引导时间状语从句。,,theywillnolongerwanttobeourservants,.(not)(不)=not…anylongernomore=not…。,可用于指过去,也可用于指现在,但语气缓和、委婉。…as…以……方式对待……/把……看做……“学科,领域,专业”…为……做贡献注意:makeacontribution/contributionsto(doing)…对……有影响探究学****Ithinkthepolicea