Unit13-We’re-trying-to-save-the-earth重难点全解.docx

Unit13-We,reryMg"o-save>the*earth!富难点全解一、重点词汇词义辨析：cost/spend/take/pay都与“花费”有关，但用法上有区别。coststh.costs(sb.)+moneyspend1. spend+time/moneyonsth.2. spend+time/money(in)doingsth.takeIttakes(sb.)time+todosth.paypay(sb.)+moneyforsth.因此，“他们花两年建造这座桥”可以表示为：Theyspendtwoyearsonthisbridge.=Theyspenttwoyears(in)buildingthisbridge.=Ittkthemtwoyearstobuildthisbridge.“我花了2000块钱买这台电脑”可以表示为：Ispent2000Yuanonthenewcomputer.=Ispent2000Yuan(in)buyingthenewcomputer.=Thenewcomputercostme2000Yuan.=Ipaid2000Yuanforthenewcomputer.词义辨析：takePartin/join/joinin/attend这些动词或词组均含“参加，加入”之意。takepartin常指参加大型比赛或活动。join特指加入党派、团体等；joinsb.in(doing)sth.指“和某人一起做某事”。joinin多指参加小规模的活动，如：球赛、游戏等。attend侧重参加或出席会议、学术活动、音乐会、上课等等，着重强调成为其中的听众或观众。Alotofcollegestudentslookpartinthemovementlastyear.Hisbrotherjoinedthearmytwoyearsago.MayIjoininyourdiscussion?Hundredsofstudentsattendedthelecturegivenbythefamousprofessor.词义辨析：turn词组turnon打开turnoff关上tumup把调高turndown把调低turnout原来是，结果是turnout(tobe)+adj.n.turnaround转身turnback返回tumto翻到；求助于turninto将转变为：译成turnover翻转Theexperimentturnedouttobeasuccess.Iturnedaroundtoseewhowascallingme.PleasetumtoPage10.Ihaveturnedintoawomanwithstrongwill.Sheturnedoverandfelltosleep.affordtodosth.:买得起足够支付Wecan'taffordtopaysuchahighprice.beharmfultos对有害Stayingupoftenisharmfultoyourhealth.拓展：1.harm：n.害处2.doharmto：对有害atthetopof：在顶端Therewasnotenoughoxygenatthetopofthemountain.Heshoutedatthetopofhisvoiceinordertobeheard.拓展：反义词atthebottomof：在的底端takeaction：采取行动Thepolicehadtotakeactiontodealwiththeriots.throwaway：扔掉；错过（机会等）Manypeoplethrowawaycigaretteendscarelessly.Don,tthrowawaythisopportunity.拓展：1.throwat：扔向2.throwaboul：到处扔PUtsth,togooduse：好好利用某物Ifyoufocusyourmindonthetask,yourtalentscanbeputtogooduse.pulLdovn:拆毁Theyaregoingtopulldowntheoldbuildingandreplaceitwithanewshoppingmall.UPSidedown：上下颠倒Thelid,turnedupsidedown,servedasacoffeetable.bringback：归还；使想起Yourarticlebroughtbacksadmemoriesforme.拓展：bring词组1.bringup：抚养长大2.bringin：引进3.bringforward：提出4.bringabout：带来，造成一词多义：workn.工作；（音乐、艺术）作品；工厂v.工作Hehasmuchworktodo.他有很多工作要做。（做“工作”讲，为不可数名词）Themangainedhiswealthbyprintingworksoffamouswriters,为可数名词,但常用复数）Theglassworksis/areneartheStation.（做“工厂”讲，只用复数形式，但谓语动词单复均可）拓展：英语中有些名词，单复数形式意义有差别。manner方式，方法manners礼貌，礼仪arm胳膊arms武器water水waters海水，水域wood木头woods森林识记词汇三wfishermann.渔夫coaln.煤woodenadj.木制的takeawayn.外卖食物chainIL链条thefoodchain食物链ecosystemn.生态系统lawn.法律scientificadj.科学的transportationn.交通napkinn.餐巾纸gaten.大门presidentn.总统，主席，负责人metaln.金属二、重点句型Otheradvantagesofbikeridingarethatit,sgoodforhealthanditdoesn'tCOSdanything.解析：本句的主干是Otheradvantagesofbikeridingare.；thatit,sgoodforhealth.anything是由that引导的表语从句；其中it,sgoodforhealth和itdoesn,tcostanything是骑自行车的两个优势。Butdoyourealizethatyou'rekillingawholesharkeachtimeyouenjoyabovlOfl解析：本句的主干是doyourealize.?；thatyou,rekillingawholeshark是realize的宾语从句；eachtimeyouenjoyabowlofshark'sfinsoup是时间状语从句。出题建议：确定好题型后，在关键词中输入：eachtime。Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestin.iri(f.(Il.Lii.解析：本句的主干是Manybelieve.；thatsharkscanneverbeendangered是believe的宾语从句;becausetheyarethestrongestintheirfoodchain是由because引导的原因状语从句。Notonlycantheartbringhappinesstoothers,butitalsoshowsthatevencold,hardironcanbebroughtbackt(»lifeitIialittlecreatiit.解析：本句的主干是Notonlycantheartbringhappinesstoothers,butitalsoshows,主干是由notonly.butalso连接的并列句；thatevencold,hardironcanbebroughtbacktolifewithalittlecreativity是shows的宾语从句。Unit13Weretryingtosavetheearth!自学自查：I.写出下列单词及短语1.垃圾3.充满5.在其作 用7.许多黑烟9.消减U.优点13.塑料勺子15.有影响第一课时 SeCtionA la-2d2.在底部4.曾经做某事6.打扫8.把变成10.代替12.木质筷子14.外带食物16.导致H.用括号里单词正确形式填空。1 .Therearesome,including.(噪音污染，空气污染，水污染)(PonUte)2 .Theairisbadly(pollute)becausetherearemanycarsontheroad.3.1usedto(able)seestarsinthesky.4.1amusedto(sleep)around1lpm.1.1 t.(花了我三小时到达山顶)6 .Thecleaner(花T超过2小时打扫街道)7 .Yougrandpaissleeping,sodon't.(noisy)8 .Sometimesweevenneedto(花时间导入一个请求)9.Itme1,OOOdoIIarstogetthedriver'sIiCenSe.（花费）m.重点句子：1.Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.2.Everyoneinthistownshouldplayapartincleaningitup.3.Sotogether,ouractionscanmakeadifferentandleadtoabetterfuture成果展示：1.litterv扔垃圾un：垃圾rubbish,trashtakeoutrabbish侄垃圾throwrubbish扔垃圾1.1. efullof=befilledwith=fillwith充满3 .ThisisturningbeautifulplacesintouglyOneS.这正在把美丽的地方变成.丑陋的。One泛指，指前面提到过的那类人或事情，指代可数名词，其复数形式用ones.that:特指，指前面提到过的那类物，指代不可数名词。Eg：TheweatherinKunmingisbetterthanthatinWuhan.it：特指，指前面提到过的那个物，用于指可数名词单数或者不可数名词。Eg:Ihaveapen,myunclegaveittome.4 .advantage:n:优势，利益，有利条件v：有利于disadvantage缺点，损失，不利条件takeadvantageof利于atadisadvantage处于不利地位havetheadvantageof胜过，处于有利条件Eg:Hehadtheadvantageofbeingbornintoarichfamily.Thewomen,sdisadvantageisherage.5 .takeaway：adj:外带的，