高中英语 unit4 wildlife protection learning about language课件 新人教版必修2.ppt

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1、Unit4learningaboutlanguageWildlifeprotectiondecrease减少increase增加Thenumberofnewstudentsdecreasedfrom210to160thisyear.Thepricewheathasdecreasedby15%.Thisspeciesofbirdisdecreasinginnumbereveryyear.2.asaresult结果，因此.做状语Heatesomebadfish.Asaresult,hefellill.asaresultof由于……的原因后接名词/动名词/what引导的

2、宾语从句Asaresultofwhathesaid,hismothergotveryangry.Hefellfromthehorse.Asaresult,hewasunabletogotoworkthenextday.=Hewasunabletoworkthenextdayastheresultofthefallfromhishorse.6.asaresult…asaresultof…Thedambrokeand___________thelandwasflooded.Hefailedintheexam_____________beingcareless.asar

3、esultasaresultof3.endangerv.使……遭受危害endangeredadj.濒危的dangerousadj.具有危险性的dangern.危险Smokingendangersyourhealth.beindanger处于危险之中beoutofdanger脱离危险Thepatientisindanger.beindangerof处于……的危险中Shewassickandindangerof(losingherlife).help…outofdangerbeadangerto…(us)Theyareindanger./Theyareendanger

4、ed.他们处在危险当中。Theyaredangerous.他们(对别人)危险.4.dieout灭亡；灭绝Manyanimalshavediedoutinthepast.Manyoldcustomsaredyingout.dieaway声音，风，光等渐渐消失Hehidbehindthedooruntilthefootstepshaddiedaway.dieoff一群生物相继死去Ashegrewolder,hisrelativesalldiedoff.diedown物质特性或情感变弱，逐渐平息Whentheexcitementhaddieddown,theshoppe

5、rsreopenedtheirshops.5.lossn.损失；遗失；丧失；败北Hereportedthelossofhiswallettothepolice.Hesufferedalossof10,000dollarsonthebusiness.Ourteamhasalreadyhad3losses.belostin沉迷于，埋首ataloss困惑，不知所措--Hewasatalosswhattosaytotheteacher’squestion.--Obviouslyhewaslostinthoughtjustnow.6.reserve---reservatio

6、n--预约Wemustreservetwoseatsontheplane.我们必须预定两个飞机座位。(2)保留，存储Youhadbetterreservethemoneyforfutureneed.你最好保留那笔钱以供将来之需。Imustkeepagoodreserveofenergyfortomorrow’sexam.(3)保护区Wewatchedthelionsinthenaturereserve.7.hunt---hunting---huntergohuntinghuntfor寻找ahuntingdogHeishuntingforajob.Thedogsar

7、ehuntingforthebones.8.beingleftinpeaceleave(thetigers)inpeaceleave+O.+OC.leave+O.+N.(leavehimanorphan)leave+O.+adj.(leavethewindowopen)leave+O.+adv.(leavethelighton)leave+O.+doing(leavehimshoutingintherain)leave+O.+done(leavetheillnessuntreated)9.inpeace与atpeace的区别inpeace“处于清静或安谧状态,不被

8、打搅”at