Unit2 Topic 3What can we do at home to protect the environment知識點和測試練習(xí)題

Unit2Topic3Whatcanwedoathometoprotecttheenvironment語法重點：并列句：是由并列連詞把兩個或兩個以上的簡單句連在一起構(gòu)成的句子，連詞前可用逗號，也可不用逗號。通常由and，but,while,or,so等連詞來連接。如：1．表示并列關(guān)系，動作先后關(guān)系，常用連接詞有and,notonly…butalso…等。如：Hisfatherisateacherandhismotherisadoctor.他的父親是一位老師，母親是一位醫(yī)生。Mr.Greencannotonlydriveacarbutalsorepairit.格林先生不但會開車而且還能修車。2．表示轉(zhuǎn)折，常用連詞有but,while等。如：Iboughtmysisterapresent,butshedidn’tlikeit.我給妹妹買了一件禮物，但是她并不喜歡。Tomdoeshouseworkeverydaywhilehissisterdoesnothing.湯姆每天都做家務(wù)活，而他的妹妹什么也不做。3．表示選擇關(guān)系，常用連詞有or,either…or…等。如：HespeaksFrench,orperhapsheunderstandsit.他會講法語，或者懂法語。Eitherhecouldnotcomeorhedidnotwantto.他要么是不能來要么是不想來。4.表示因果關(guān)系，常用連詞有so,for等。如：Hermotherisill,soshehastostayathomeandlookafterhermother.她母親病了，所以她不得不呆在家里照看她。Thegroundisverywet,foritrainedlastnight.地面很濕，因為昨晚下雨了?？碱}鏈接：Myfatherhasagreatsportscollection,_____heplayssportseveryday.orB.butC.andIt’sgettingdark,____theyarestillworking.andB.butC.soD.orTakemoreexercise,______youwillbehealthier.butB.ForC.andD.soFinishyourhomework,______youcan’tplaycomputergames,Jim.butB.tillC.andD.or一、重點短語environmentalprotection環(huán)境的保護(hù)afewquestions一些問題

workfor…為……工作protectenvironment保護(hù)環(huán)境spreadthemessageabout…宣傳有關(guān)…reducethewaste/airpollution減少浪費/空氣污染bothsidesof………的兩面reuseplasticbags減少使用塑料袋savemoney/energy/electricity省錢/能源/電encouragesb.todosth.鼓勵某人做某事softdrinkcans飲料罐子Wastepaper廢紙o...把...分成beharmfulto=doharmto...對...有害Failtheexam考試不及格nod/shakethehead點頭/搖頭hurryup趕快、快點Severaltimes幾次giveup（doing）sth放棄（做）某事重要句子…mymainjobistohelp我主要的工作是幫助做有關(guān)保護(hù)環(huán)境的宣傳。Weshouldusebothsidesofpaperandreuseplasticbags.Recyclingcanprotecttheenvironment,anditcansavemoney,too.Hehasfailedseveraltimes.Buthenevergivesup.他已經(jīng)失敗幾次了。但他從不放棄。三、重點語言點1.Weallknowthatyou’reworkingforanorganizationsthatprotectstheenvironment.我們都知道你在為環(huán)保組織工作。workfor…表“為……工作”HeworksforaforeigncompanyinShanghai.他在上海為一家外資公司工作。Weshouldusebothsidesofpaper,andreuseplasticbagsratherthanthrowthemaway.我們應(yīng)該把紙的兩面都使用，將塑料袋再次使用而不是輕易扔掉。a)both修飾復(fù)數(shù)名詞；而either修飾單數(shù)名詞；如：Therearealotoftreesonbothsidesoftheroad.=Therearealotoftreesoneithersideoftheroad.在路的兩邊有許多樹。SectionB重點短語agreenerperson?環(huán)保者oughttodosth.應(yīng)該做某事shutoff關(guān)掉Hadbetterdosth最好做某事rideabike騎自行車insteadof...而不是/代替Travelashortdistance短途旅行saveenergy節(jié)約能源as...as...和...一樣重要句子First,yououghttoshutofftheelectricitywhenyouleavearoom.首先，你離開房間在時候應(yīng)該隨手關(guān)燈。Second,you’dbetterwalkorrideabikeinsteadoftakingabusorataxiifyoutravelashortdistance.第二，如果你短途旅行，最好步行或騎車而不是乘公共汽車或出租車。Itissoeasytobeagreenerperson.成為一名環(huán)保使者真容易。Easiersaidthandone說起來容易，做起來難Actionsspeaklouderthanwords.行動勝于雄辯三．重點語言點1.First,yououghttoshutoffthelightswhenyouleavearoom.首先，當(dāng)你離開房間的時候，應(yīng)該隨手關(guān)燈。oughtto情態(tài)動詞,表“應(yīng)該;應(yīng)當(dāng)”;語氣比should強(qiáng);指道義上應(yīng)該做的事,有時含有責(zé)備或督促的語氣。should指主觀上感到有責(zé)任或義務(wù)去做。如：Yououghttohelpyourmotherdosomehousework.你應(yīng)該幫你媽媽做些家務(wù)。Weshouldstudyhard.我們應(yīng)該努力學(xué)習(xí)。其否定式和疑問式：Yououghtn’ttogetupsolateinthemorning.你早晨不應(yīng)該起這么晚。OughtItotellherthebadnews?我該告訴她壞消息嗎？Yes,youought.No,yououghtn’t.It’ssoeasytobeagreenerperson.句型：Itis/was+adj.+todosth做某事是....的。句型中it為形式主語，真正主語為：tobeagreenerperson.注意和Itis+adj+（ofsb）todosth。It在這里也是作為形式主語，真正主語為不定式。區(qū)別：在使用時要注意adj是說明sb的品質(zhì)特點的還是說明todosth的就可以了.說明sb的品質(zhì)特點用ofsb;說明todosth用forsb.，簡單一句話說就是：說人的用ofsb.說事的用forsb?？碱}鏈接：()1.Wethinkitisdifficult_______them________thecharitywalkwithoutteamspirit.(2010南通)A.for;tofinishB.of;tofinishC.for;finishingD.of;finishingafterall畢竟，終歸E.gHeisachildafterall.畢竟，他還是個孩子。SectionC-D一．重要詞匯1.producepowerfrom…從……獲得能量2.nuclearenergy核能3.Everydaylives日常生活4.usesthtodosth用某物做某事5.Upto30days長達(dá)30天6.too..to..太...而不能7.Inthenearfuture在不久在將來8.reachaspeedof+具體數(shù)字達(dá)到某種速度ataspeedof以某種速度9.runout用光、耗盡10.beusedfordoingsth=beusedtodosth被用作做某事11.Facemanydifficulties面臨許多困難12.differenttypesof...不同種類的...13.eventhough即使，盡管14.renewableenergy可再生能源15.In50years50年后二．重要句子1.Tosolvetheenergyproblem,peopleallovertheworldarelookingfornewwaystoproducepower.2.Thisrenewableenergyisusedinpeople’severydaylives.3.Itcannotonlyprotecttheenvironmentbutalsosaveenergy.4.Thetraincanreachatopspeedof431kmperhour.重點語言點1.在文中劃出下面的句子并分析Somecountriesusenuclearenergytoproducepower.譯：_____________________________________________點撥：usesth.todosth.=usesth.fordoingsth.---使用某物做某事練習(xí)：a.在過去人們使用竹子寫字.People_______bamboo_____________inthpast.b.人們用風(fēng)發(fā)電。People_____wind_______producingelectricity.區(qū)別：還有一些介詞也可表示“用”，如：in，by,witha.Youcansolvetheprobleminthisway.譯：_________________________________b.Youcanbuylotsofthingswiththemoney.譯：______________________________c.Myfathergoestotheofficebycar.譯：_____________________________________2Thecostishigh..譯：___________________________________點撥：costalittle--花銷很少花銷太高---______________練習(xí)：在大城市生活花銷太高。_______________________________toliveinbigcities.Itistoosmalltoholdmanypeople它太小，不能承載太多的人。Too....to...太...而不能...“主語（人）+謂語動詞+too＋形容詞/副詞＋todosth.”這個句型是too...to結(jié)構(gòu)最基本的常用句型。主語是動詞不定式的執(zhí)行者，too后接形容詞或副詞原級，有時too后也可跟一個起形容詞作用的過去分詞，to后接動詞原形。如：Theboyistooyoungtogotoschool.這男孩年齡太小，不能上學(xué)。Hewalkstooslowlytogetthereontime.他走得太慢，不能按時到達(dá)那兒hold(v).有多種含義。容納，包含e.gTheplaneholdsabout300passengers.這架飛機(jī)可容納大約300名乘客。拿著，抓住，進(jìn)行（比賽，會議等）e.gHewasholdingthebabyinhisarms.他抱著嬰兒。召開，舉行，進(jìn)行（比賽，會議等）。E.gTheOlympicGamesareheldeverfouryears.(打電話時)等待，不掛斷e.gHoldon,please.請等一下。3.Ittakespeoplejust7minutestogototheairport30kmaway.譯：__________________點撥：花費大盤點1.)Ittakessb.時間todosth.---做某事花費某人….時間2.)人spend錢或時間(in)doingsth.---某人花費錢或時間做某事onsth.---某人在某物上花費錢或時間3.)人pay錢for物---某人為某物付錢4.)物cost錢---某物價值多少錢考題鏈接：—Doyoualwaysspendlotsoftimeplayingcomputergames?—No,butIspendmuchtimemyhomework.on;inB.on;onC.in;onD.in;inIpaidtenyuanforthebook.(寫出同義句)Thebook___________________tenyuan.I_________tenyuan__________thebook.4.Thetraincanreachatopspeedof431kmperhour.譯：_____________________________點撥：reachaspeedof+具體速度---達(dá)到某個速度鏈接：ataspeedof+具體速度----以某個速度,可用high,low,full等形容詞修飾speed。練習(xí)：a.北京至天津線火車時速達(dá)到每小時300千米。Beijing-Tianjintrain____________________300kmperhour.b.我們以每小時30英里的速度前進(jìn)。Weweretraveling_____________________thirtymilesperhour.5.However,maglevguidepathsaremuchmoreexpensivethantraditionalsteelrailways.譯：__________________________________________________________________點撥：形容詞前可加alot,much,far,alittle,even等詞修飾；還可在形容詞比較級前加表數(shù)量的詞。練習(xí)：a.Don’tgobyplane.It’salotmoreexpensive.譯：______________________________b.Hisillnessisfarmoreseriousthanwethought.譯：___________________________c.It’salittlecoldertodaythanitwasyesterday.譯：____________________________d.Itwascoldyesterday,butit’sevencoldertoday.譯：_________________________e.Mysisteristwoyearsyoungerthanme.譯：________________________________6.Itneedsitsforeststoremovecarbondioxidefromtheair譯________________________.點撥：“need”作為實義動詞時，通常用法是：人＋need＋todo物＋need＋doing物＋need＋tobedone另外，“need”后還可以直接跟名詞。請看下面的例子：（1）．WeneedtocollecttheparcelbeforeweleaveforEngland．去英國之前，我們需要收拾好行李。（2）．Weneed______(tell)himthetruth．我們需要告訴他真相。（3）．Mycarneedsrepairing．我的汽車需要修理。（4）．Theflowersneedwatering．這些花需要澆水。（5）．Hisleathershoesneeds______(mend)．他的皮鞋需要修補(bǔ)。（6）．Herroomneeds_____(clean)．她的房間需要打掃。7.Th