unit 3 school life lesson 17 school science fair--短语与介词for

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1、Unit3SchoolLifeLesson17SchoolScienceFair词组与介词forprizeⅠ.短语连线1.科技展览会A.differentkindsof2.不同种类的B.sciencefair3.对……感兴趣C.beinterestedin4.一片/张D.doagreatjob5.做得很好E.apieceofⅡ.句型展示1.你准备好下周的大型科技展览会了吗？______you____________thebigsciencefairnextweek?2.我希望赢一等奖。Ihopeto__________________.答案：1.

2、Are;readyfor2.winfirstprize3.我对这个话题感兴趣。I__________________thisproject.4.我有一小块旧的丝绸。Ihave________________________oldsilk.答案：3.aminterestedin4.asmallpieceof1.piecen.张；片◆Ineedapieceofpaper.我需要一张纸。◆Heatetwopiecesofbread.他吃了两片面包。【探究总结】piece的用法(1)piece有“片；张；块；条”等意思，常用于修饰不可数名词。例如：api

3、eceofwood（一块木头）,apieceofnews（一条消息）。(2)表达两（张、块、片、条等）或两（张、块、片、条等）以上时，应在piece后面加“-s”。【学以致用】报纸上有两条消息。Thereare________________________inthenewspaper.答案：twopiecesofnews2.beinterestedin对……感兴趣◆Theboyisinterestedinthecartoon.那个男孩对这部卡通片感兴趣。◆Thebookisveryinteresting.这本书很有趣。【探究总结】interes

4、ted的用法(1)beinterestedin意为“对……感兴趣”，后跟名词、代词或动词-ing形式。(2)interested作形容词，常用于修饰人；interesting作形容词，常用于修饰物。【学以致用】①I’m______inthe______movie.A.interested;interestedB.interesting;interestingC.interesting;interestedD.interested;interesting②Heisinterestedin______(make)things.答案：makingⅠ.用

5、所给词的适当形式填空1.Therearedifferent______(kind)offishintheriver.2.Look!They______(talk)aboutthesciencefair.3.Ihopetowin______(one)prizeinthesciencefair.4.Isawtwo______(video)thisafternoon.5.The______(visit)areamazedatthesilkworms.答案：1.kinds2.aretalking3.first4.videos5.visitorsⅡ.用适当

6、的介词填空1.Therearedifferentkinds______mooncakes(月饼)intheshop.2.Theboyisinterested______thetoybear.3.Wearebusy.Weareready______theexams.4.Myprojectis______thehistoryofBeijingOpera.5.Iateapiece______cakebutI’mnotfull.答案：1.of2.in3.for4.about5.offor一、prep.介词1.（表示目的、用途）为了；供。例如：Hewent

7、outforawalk.他出去散步了2.(表示对象)为，给；对于；关于;至于,对……而言。例如：Whatdidyougetforyourbirthday?你收到了什么生日礼物？3.（表示目标、去向）往；到……。例如：IsthistrainforShanghai?这是开往上海的火车吗？4.（表示时间、距离、数量等）达；记。例如：Wehavestayedherefortwomonths.我们已在这儿呆两个月了。5.(表示约定的时间)在……（时间）。例如：I’veinvitedthemfor9o’clock.我已经邀请他们9点来6.(=infavoro

8、f)赞成；支持；同意。例如：Howmanypeoplevotedfortheproposal?多数人投票赞成这项提议？7.(=inste