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1、,Unit8Savetheworld,1.Hemadeamistakeyesterday.Butheexplainedthereason_us.A.forB.withC.toD.on,explainsth.forsb.向某人解释某事,2.Shesfeeling_tiredafteralongwalk.A.abitB.abitofC.lotsofD.afew,abitof/alittle+不可数名词；abit/alittle/alittlebit+形容词/副词,3.Youdbetter_moretimetalkingwithyourparentssothattheycanunderstandyo
2、ubetter.A.spendB.takeC.costD.pay,A,hadbetterdosth.最好最某事；spendtime(in)doingsth.花费时间做某事,4.IlllendyouthestorybookassoonasI_it.A.willfinishreadingB.willfinishtoreadC.finishreadingD.finishtoread,C,assoonas一.就（主将从现）finishdoingsth.完成做某事,5.There_alsotoomuchrubbishandwaste.A.areB.isC.hasD.have,B,rubbish不可数名词
3、,6.LiWei,yourroomisdirty.Youdbetter_.A.cleanitupB.cleanupitC.tocleanitupD.tocleanupit,A,hadbetterdosth.最好做某事；cleanup动副词短语（代中原则）,7.Mom,Iamtakingashower.Couldyouhelpme_thetelephone?A.putupB.checkoutC.giveawayD.pickup,D,putup张贴，建造;checkout检验，办理退房手续；giveaway赠送，分发；pickup捡起，（开车）接，接电话,8.Dontwastemuchtime_c
4、omputergames.A.playB.playsC.playingD.toplay,C,wastetime(in)doingsth.浪费时间做某事,9.OurP.E.teacherencouragesus_exerciseeveryday.A.takeB.takesC.totakingD.totake,encouragesb.todosth.鼓励某人做某事,10.Iwasbadlyillafewdaysago.ButI_mycoldatlast.A.threwoffB.threwawayC.cleanedupD.pickedup,A,throwoff摆脱；甩掉tothrowoffacold
5、/yourworries/yourpursuers治好伤风；消除忧虑；甩掉追踪者,11._isimportanttoprotecttheenvironment.A.ThisB.ThatC.ItD.One,C,itis+形容词+todosth.“做某事是.”it是形式主语，todosth.是真正的主语,12.Inolddays,thepoor_forthebossforover18hoursaday.A.wasmadetobeworkedB.weremadeworkC.weremadetowork,C,makesb.dosth.被动语态bemadesb.todosth.,13.Dontthrow
6、outthesecans.Theycan_.A.recycleB.recycledC.berecycledD.toberecycled,被动语态：be+done,被动语态,1.一般现在时：am/is/are+动词的过去分词2.一般过去时：was/were+动词过去分词3.一般将来时：will/begoingto+be+动词过去分词4.过去将来时：would/was/weregoingto+be+动词过去分词5.现在进行时：am/is/arebeing+动词过去分词6.过去进行时：was/werebeing+动词过去分词7.现在完成时：have/hasbeen+动词过去分词8.过去完成时：had
7、been+动词过去分词9.含有情态动词：情态动词+be+动词过去分词,14.Theinventionofthecomputerhas_toourlife.A.givenupB.addedtoC.madeadifferenceD.keptto,giveup放弃；addto添加；makeadifference产生影响；keepto遵守,15.Whenyouareswimming,_yourears.Youcanuseearplugs(耳塞)tostopwatergettingintoyourears.A.takeafterB.takepartinC.takeoffD.takecareof,take
8、after与.相像；takepartin参加；takeoff起飞，脱下；takecareof照顾，注意,16.Youstudyveryhard.I_youcanpasstheexameasily.A.makesureB.findoutC.makesenseD.giveout,makesure确定；makesense有意义；findout找出，查明；giveout分发；公布,17.ImnotsurewhetherIcanholdapartyintheopenair,becauseit_theweather.A.standsforB.dependsonC.livesonD.agreeswith,s
9、tandfor代表；dependon依靠，依赖；liveon以.为食；agreewith同意某人的观点,18.We_animalsandplants.A.dieoffB.takeoffC.getoffD.liveoff,dieoff灭绝；takeoff起飞，脱掉；getoff下车；liveoff以.为食,19.Dad,willyoubuymeanewbike?Idontknow.Illhaveto_it.A.thinkaboutB.waitforC.putdownD.turnon,thinkabout考虑；waitfor等待；putdown写下，镇压；turnon打开,20.Goodhealt
10、h_goodfood,exerciseandgettingenoughsleep.A.carriesonB.livesonC.dependsonD.holdson,carryon继续，参加；liveon以.为食；dependon依赖，依靠；holdon坚持，等一下,21.Ifthereistoomuchpollutionintheriver,thefishwill_.A.dieforB.diefromC.dieofD.dieoff,dieoff灭绝；diefor为.而死；dieof死于（内因）；dieoff死于（外因）,22.Themeetingwillbegininhalfanhour.We
11、must_rightnow.A.startoutB.putoutC.leaveforD.goaway,startout动身；putout扑灭；leavefor出发去某地；goaway走开，离去,23.Workershaveto_rubbishtokeepthemountainsclean.A.turnupB.pickupC.mixupD.giveup,turnup调大；pickup拿起，拾起；mixup混合；giveup放弃,24.Thereare_touristsvisitingtheislandonMayDayeveryyear.A.twothousandsofB.twothousandsC.thousandsofD.thousandof,口诀：有数字无s，有s有ofbillionsof;millionsof;hundredsof,25.MissWuisgoingtoLondon.Doyouhave_tosay?A.elsesomethingB.elseanythingC.nothingelseD.anythingelse,形容词修饰不定代词需后置,