选修7-unit-3-learning-about-language知识讲解.ppt

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1、选修7-Unit-3-Learning-about-LanguageWordDefinitionsHowusedinthetext1.tojumpintothewaterheadfirst2.agracefuljumpintothewaterheadfirst1.toseesomethinghappen2.someonewhoseesacrimeoranaccidentdive1witness1WordDefinitionsHowusedinthetext1.ashorttimewhensomeonestopsspeaking2.tostopd

2、oingsomethingforashorttime1.astrongwish2.tostronglysuggestsomeonedosomething1.somethingthatslowsyoudown2.topullsomethingalongbehindyoupause2urge2drag22Readthesesentences.Thenreplacethewordsinitalicswithwordsthatmeanthesamefromtheunit.1.SomepersonalstoriesaboutMarkTwainarever

3、yamusing.2.Workingtogetherisnecessarytoproducegoodresults.anecdotesTeamwork3.Moreandmorepeopleareconcernedwiththeprotectionofdifferentwhalespecies.4.Sitfacingthestreetandwatchtheparadegoby.5.Whenyouhitaniceberg,leavetheshipimmediately.conservationoppositeabandondepth,dive,ye

4、ll,annual,shark,accommodation,witness,relationship,flee,shore3Usethesewordsintheirproperformstocompletethepassagebelow.WhenIwasyoung,myparentslikedjoggingonthebeach.Soweusedtovisittheseasideonour________holiday.Wealwaysstayedin______________closetothe______becausemyparentsha

5、dagood___________withtheownerofthehotel.Wealsowentsnorkellingeachtimeandwould______underthewavestoseethecolourfulfish.AsIgrewolderIwasallowedtogotogreater_______andfurtheroutbeyondthebay.annualaccommodationshorerelationshipdivedepthsThereIsawsmall______astheyswamlazilyaround

6、theseabottom.OnedayI_________howtheywouldpursuetheirpreyswiftly,andthesmallfishhadnotimeto_____away.Iwantedto____andwarnthepoorfishbutthatwasimpossibleunderwater.ThankGoditwas;otherwise,Imighthavebeenswallowedinstead!sharksyellwitnessedfleeGrammarThePassiveing-form(V-ing形式的被

7、动式)V-ing形式的各种时态和语态:时态一般式完成式主动语态被动语态doinghavingdonebeingdonehavingbeendone1.动名词的被动式：动名词的被动式有两种:being+过去分词；havingbeen+过去分词。例如：a)每个人都喜欢得到赞美。Everybodylikes_______________.b)我记得曾经听过这故事。Iremember__________________thestory.2)在need/want/require(需要)和beworth(值得)等词后面,动名词的主动形式表示被动意义。例如：

8、a)这件事需要调查。Thematterrequires____________.=Thematterrequirestobelookedinto.be