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Unit3TheenvironmentⅠ.学习目标1.Unit重点单词、短语2.目的状语从句的用法Ⅱ.重点、难点分析1.Ourworldisindanger.我们的世界处于危险中。indanger在危险中，濒危Thiskindofbirdisindanger.Weneedtodosomethingtoprotectthem.拓展outofdanger脱离危险Heisoutofdangernow.2.TheatmospherearoundtheEarthisnecessaryforalllivingthings.①sth.isnecessaryforsb/sth对于某人而言，干什么是必须的。Waterisnecessaryforfish.拓展：It’snecessaryforsb.todo对于某人而言，干什么是必须的It’snecessaryforustogotoschoolontime.②livingthings生物，livingadj活的，活着的Theyarelikelivingtextbooksforyoungpeople.辨析：living和alive两者都为形容词，living活的，活着的，即可作表语又可作定语，既可以用于指人也可以用于指物。而alive活的不用于名词前，只做表语。Theyarelivingandashappyasever.他们都还活着，并且跟以前一样快活。Luckily,theboyisstillalive.幸运的是，那个男孩还活着。3.Asaresultofthegreenhouseeffect,theEarth’stemperatureisincreasing.①asaresultof由于，作为……的结果，与becauseof同义。Hediedasaresultofhisinjuries.他由于受伤而死亡。辨析：asaresultof和asaresultasaresultof介词短语由于……，后跟名词、代词等asaresult副词短语结果，后跟事情的结果Iwaslateasaresultoftheheavyrain.Hegotuplatetoday.Asaresult,hemissedtheearlybus.②increase增长、增多增加此处是不及物动词Thepopulationoftheworldisincreasingfast.拓展：increaseby增长了……，by后接百分数、倍数或增长的幅度;increaseto增长到……，to后接具体的数字Theyincreasethepriceby20％.Thepopulationofourcountryhasincreasedto1.3billion.4.Inordertoprotecttheenvironment,weneedtotakeproperaction.properadj.正确的；恰当的Ididn’tthinkitwaspropertoaskforthelady’stelephonenumbersosoon.我认为这么快就要那位女士的电话号码不太合适。同根词properlyadj.正确地，合适地ShecanreadGermanbuthastroublespeakingitproperly.4.Everyyear,wedestroynaturebycuttingdownhugeareasofforeasts.naturen.自然界，大自然Welikecamping,itmakesusfeelclosertonature.Ourpurposeisnotonlytoconquernaturebutalsotoremakenature.我们的目的不仅要征服自然，而且还要改造自然。同根词naturaladj.自然的，天然的Don’tworry.It’sanaturalphenomenon.别担心，这是自然现象。Wemustprotectthenaturalenvironment.6.Ifwejustlearntoliveinnewanddifferentways,wecanmakeadifference.Makeadifference有作用，有影响，与众不同Theeasiestwaytomakeadifferenceisnottothrowrubbishaway.Itdoesn’tmakeadifferencetoyou,doesit?7.Iamconcernedtoo.beconcerned关心，担心，挂念，concerned为ad,通常与for和about连用，与beworriedabout同义。Don’tbeconcernedabout/forme.8.Thiscausessealeveltorise,andinthefuturemaycausecitiestodisappear.辨析：infuture和inthefutureinfuture:相当于fromnowon今后,从今以后Ihopethey'llbemorecautiousinfuture,heobserved.Keepyouropinionstoyourselfinfuture!inthefuture:在将来Theboywantstobecomeaphilosopherinthefuture.Welearnfromthepast,experiencethepresentandhopeforsuccessinthefuture.我们从过去中学习，体验现在，展望未来的成功。Ex.1一．根据句子的意思，用所给词的适当形式填空。1.It’sclearthat__________（nature）disasterisoneofthereasonstotheeconomiccrisis.2.Inordertoprotectthewaterresources,weneed_________(take)properaction.3.Ourenvironmentis__________(danger)ifwedon’tstoppollutingit.4.Cuttingdowntreesalso___________(destroy)thehomesofanimals.5.Idon’tdoubtthatthepoliceacted__________(proper)6.Thefoodindustryisplayingmoreattentiontoyoung___________(consume).7.Itcausesthesurfaceofthesoiltobe__________(easy)destroyedbyrain.8.Wecanhelpprotecttheenvironmentifwechangeourbad__________(habit).9.Asaresultoftheearthquake,manypeople_________(leave)homeless.10Thegovernmenthasdecided_________(increase)salariesforallcivilservants.语法like&same&different语法梳理A、“Thesame”and“different”.如果两个或两个以上的事物是完全相同，英语中可以用thesame表达，如果不相同，我们可以用different表达。Thesame和different可以做形容词做表语或者做定语修饰名词代词等,thesame后面常接单数名词而different后常接复数名词.Weareinthesameschool,butweareindifferentclasses..B、“like”，“thesameas”和“differentfrom”说明事物或人物之间存在某种程度的相似性，我们常用“like”或“belike；looklike“,像……；看起来像”。说明事物或人物完全相同，我们常用：“thesameas”。既不相似也不相同，我们常用：“bedifferentfrom”。Heranout___________anarrow.（像）It’s________aspecialmusic,soundsgreat!（像）MrJiang’scomputerandmycomputerare___________insize,hisisbigandmineissmall.（不同）AnMP3player_____________________________aCDplayer,anMP3playerdoesn’tusediscs.（不同于）Mybike_____________________________asyours.(相同）Thissuitlooks_____________________________thatone..(相同）C、“thesame…as”我们可以把名词或短语放在thesame之后，构成thesame+n./phrase+as句型。Myfatherworksinthesamecompanyasheruncle.D.总结句子结构：1.sth.+v.+thesame这两首歌听起来一样。___________________________________2.sth.+v.+different这三个教室大小不一样。___________________________________3.sb.+v.+like+sth.坐在那里的老人像块石头。______________________________________________4.sth.+v.+thesameas+sth.我衣服的颜色和你的相同。_____________________________________________________5.sth.+v.+differentfrom+sth.他们的房间和我们的不同。_____________________________________________________6.thesame+n.+as她和我犯了同一个错误。________________________________Ex.21.Peteristhesameage___________Paul.2.Weshouldbedifferent__________themandusebothsidesofpaper.3.ThecatinpictureAis___________(small)thantheoneinpictureB.4.Heisastall___________hisfathernow.5.IcanspeakEnglishas_________(good)asFrench.单元测试一.单项选择1.Wemustdosomethingtostoppeoplefrom_________.A.tothrowlitteraboutB.tothrowlitterintoC.throwinglitteraboutD.throwinglitterinto2.___________thestudentsinZhejiangUniversityarefromforeigncountries.A.SevenhundredsofB.SevenhundredsC.SevenhundredofD.Hunderdsof3.Ihavearrangedforacarto____________atthestation.A.pickthemupB.pickupthemC.pickthemonD.pickonthem4.Therewere________manyhorriblesmells_____Ican’tstayheremorethanoneminute.A.such;thatB.too;forC.too;soD.so;that5.WhenI_______,Ifoundmyself________aterrible