高中英语 Unit 4 Astronomy the science of the stars 语法探究 新人教版必修3.doc

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1、UNIT4ASTRONOMY:thescienceofthestars语法探究Teachingaims:Grasptheattributiveclauseanduseitfreely课前自学（SBP29Discoveringusefulstructuresparts2-3）语法知识精讲主语从句在复合句中作主句的主语，引导主语从句的有从属连词that,whether以及连接代词who,what,which,whoever,whatever,whichever,和连接副词when,where,why,how等。例如:Thatshewaschosen

2、madeusveryhappy.她当选了我们很高兴。Whatcausedtheaccidentisacompletemystery.什么导致了这次事故还完全是个谜。Whoevercomestothepartywillreceiveapresent.参加聚会的每个人都将收到份礼物。注意：上述例句中的主语从句都在句首，但为了使句子结构平衡，避免头重脚轻，常用it作形式主语，而把从句放在后面。例如：Itisapitythatshehasmadesuchamistake.她犯了这样一个错误，真遗憾。It’sreportedthatthreepeople

3、werekilledintheaccident.据报道，事故中三人丧生。语法同步练习用适当的连词填空1._____hesaidatthemeetingsurprisedusgreatly.2.Ithasbeenfound____plasticscanbewidelyusedinindustry.3.Itworriedheralot_________herwalletwaslost.4.Canyoutellme________thatmanwas?5.Iwonder____wecandoabouttheproblemofpollution.6.I

4、knownothingaboutherbut___sheisfromCanada.7.Thereasonwhyhehasbeensuchasuccessis___henevergivesup.8.___istroublingmeis___Idon’thaveanyexperienceinthiskindofwork.语法1.What,2.that3.that4.who5.what6.that7.that8.what,that1