Unit3SchoolLife,Lesson17SchoolScienceFair,Leadin,Didyoutakepartinaproject?Canyousaysomethingaboutit?,Presentation,sciencefair,winfirstprize,makeavideo,visitors,Wordsandexpressions,prizevideopiecevisitor,n.獎品；獎賞n.錄像；視頻n.張；片n.參觀者,Phrases1.bereadyfor為作準備2.winfirstprize獲得一等獎3.makeavideo制作視頻4.apieceof一片/張,5.presentscienceprojects展示科學項目6.beinterestedin對感興趣7.differentkindsof不同種類的8.doagreatjob做得很棒,Languagepoints,1.Dontworry,Jenny.詹妮，別擔心。,worry動詞，擔心。搭配:worryabout為擔心beworriedabout“擔心”，強調狀態。,Dontworryaboutme.Icandoit.別為我擔心。我能做。Thewomanisoftenworriedaboutherson.這位女士經常擔心她的兒子。,XiantheWalledCity,2.Ihaveasmallpieceofoldsilk.我有一小塊舊的絲綢。,apieceof一塊/張常用于表示不可數名詞的量。apieceofnews一條消息；apieceofmeat一塊肉Canyougivemeapieceofpaper?你能給我一張紙嗎？,XiantheWalledCity,【探究總結】piece的用法(1)piece有“片；張；塊；條”等意思，常修飾不可數名詞。如：apieceofwood一塊木頭,apieceofnews一條消息。(2)表示“兩（張、塊、片、條等）或以上”的量時，piece應用復數pieces。如：twopiecesofbread兩片面包。,【學以致用】報紙上有兩條消息。Thereare_inthenewspaper.,twopiecesofnews,XiantheWalledCity,3.Iamreallyinterestedinthissubject.我對這個項目真的很感興趣。beinterestedin對感興趣Theboyisinterestedinthecartoon.那個男孩對這部卡通片感興趣。Thebookisveryinteresting.這本書很有趣。,【探究總結】interested的用法(1)beinterestedin意為“對感興趣”，后跟名詞、代詞或動詞-ing形式。(2)interested作形容詞，常用于修飾人；interesting作形容詞，常用于修飾物。,XiantheWalledCity,【學以致用】Im_inthe_movie.A.interested;interestedB.interesting;interestingC.interesting;interestedD.interested;interestingHeisinterestedin_(make)things.,making,D,Exercises,.用所給詞的適當形式填空。1.Therearedifferent_(kind)offishintheriver.2.Weareall_(interest)inthesciencefair.,kinds,interested,3.Ihopetowin_(one)prizeinthesciencefair.4.Isawtwo_(video)thisafternoon.5.The_(visit)areamazedatthesilkworms.,first,videos,visitors,.用適當的介詞填空。1.Therearedifferentkinds_mooncakes(月餅)intheshop.2.Theboyisinterested_thetoybear.,of,in,3.Wearebusy.Weareready_theexams.4.Myprojectis_thehistoryofBeijingOpera.5.Iateapiece_cakebutImnotfull.,for,about,of,XiantheWalledCity,.完成句子。1.你準備好下周的大型科技展覽會了嗎？_you_thebigsciencefairnextweek?2.我希望贏一等獎。Ihopeto_.,Arereadyfor,winfirstprize,3.我對這個話題感興趣。I_thisproject.4.我有一小塊舊的絲綢。Ihave_oldsilk.,aminterestedin,asmallpieceof,5.你做得真不錯。Youreally_.6.每年有很多參觀者到這兒來。Many_comehere_everyyear.,doagoodjob,visitors,tovisit,Homework,Now,whatd