Unit 2 Topic 2 易错点综合提升练（解析版）

PAGEPAGE1Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.班级___________姓名___________学号____________分数____________（考试时间：60分钟试卷满分：100分）一、单项选择（每小题1分，共15分）1．（2021·天津中考真题）Thegovernmentplansto________morejobsforyoungpeopleinwesternChina.A．create B．avoid C．borrow D．guess【答案】A【详解】句意：政府计划为中国西部的年轻人创造更多的就业机会。考查动词辨析。create创造；avoid避免；borrow借；guess猜测。根据空后“morejobsforyoungpeopleinwesternChina”可知，应是为中国西部的年轻人创造更多的就业机会。故选A。2．（2021·天津和平·九年级二模）Thehigh-speedtrainhas__________traveltimebetweenBeijingandShanghaifromover9hourstoaround5hours.A．increased B．reduced C．taken D．spent【答案】B【详解】句意：高铁将北京和上海之间的旅行时间从9个多小时减少到5个小时左右。考查动词辨析。increased增长；reduced减少；taken带走，花费（时间）；spent花费。根据“fromover9hourstoaround5hours”可知时间减少了，用reduced符合语境。故选B。3．（2021·甘肃天水·中考真题）________youpracticeeveryday,youwon’tmakeanyprogress.A．Although B．Unless C．If D．Since【答案】B【详解】句意：除非你每天练习，否则你不会有任何进步。考查连词辨析。Although虽然；Unless除非；If如果；Since因为。分析“…youpracticeeveryday,youwon’tmakeanyprogress.”可知，此处表示否定的条件，用unless引导条件状语从句，故选B。4．（2021·云南中考真题）—Hello,Jenny,Ican’tfindmymathbook________.Didyouseeit?—Sorry,Ididn’t.A．everywhere B．anywhere C．somewhere D．nowhere【答案】B【详解】句意：——你好，Jenny，我到处都找不到我的数学书。你看到它了吗？——不好意思，我没看到。考查副词辨析。everywhere到处；anywhere任何地方；somewhere在某处；nowhere无处。根据“Didyouseeit?”可知说话者找不到数学书，用于否定句用anywhere。故选B。5．（2021·山东九年级二模）—DoyouenjoyHanLei’ssongs?—Yes.Icannotthinkofanyonewitha_________voice.A．better B．best C．worst D．worse【答案】A【详解】句意：——你喜欢韩磊的歌曲吗？——是的。我想不出谁有更好的声音。考查比较级。better更好的；best最好的；worst最糟糕的；worse更糟的。分析题干可知，题干将“HanLei’ssongs”与“songsofanyone”进行比较，应用比较级，根据“Icannotthinkofanyonewitha...”可知是肯定的评价，结合所给空后面的名词“voice”，所以用good的比较级better。故选A。6．（2021·青岛市崂山区教育教学研究室九年级）ThankstotheInternet,knowledgespreads________.A．loudly B．nearly C．luckily D．quickly【答案】D【详解】句意：多亏了互联网，知识传播得很快。考查副词辨析。loudly大声地；nearly几乎；luckily幸运地；quickly快速地。根据上文“ThankstotheInternet”，可知知识得以快速传播，故选D。7．（2021·江苏九年级二模）Myelderbrotheriscreative,heisalwaysfullofideas,but________isusefultomyknowledge.A．neither B．nothing C．noone D．none【答案】D【详解】句意：我哥哥很有创造力，他总是充满想法，但没有一个对我的知识有用。考查不定代词。根据but表句意转折可知此处指“哥哥所有的想法没有一个有用”；排除只能指人的noone“没有人”；排除强调内容nothing“没事、没东西”；排除只用于二者的neither“（二者）都不”；故选D。8．（2021·江苏九年级二模）Grade9studentsshouldkeepexercising________theyarebusywithsomanysubjects.A．if B．until C．though D．because【答案】C【详解】句意：九年级的学生应该坚持锻炼，尽管他们忙于这么多科目。考查连词辨析。if如果；until直到；though虽然，尽管；because因为。根据“theyarebusywithsomanysubjects”可知，此处使用though引导让步状语从句，表示“虽然很忙，但也应该坚持锻炼”。故选C。9．（2021·云南九年级二模）—Doyouliketoeatvegetables?—Ofcourse.I________eatthemeveryday.A．almost B．hardly C．never D．perhaps【答案】A【详解】句意：——你喜欢吃蔬菜吗？——当然。我几乎每天都吃它们。考查副词词义辨析。almost几乎；hardly几乎不；never从不；perhaps可能。根据题干答语“Ofcourse.”可见对方喜欢吃蔬菜，所以几乎每天都吃，用almost符合句意。故选A。10．（2021·云南九年级二模）AllChinesepeoplelikethedragonanditisa_________ofChineseculture.A．situation B．shape C．symbol D．promise【答案】C【详解】句意：所有中国人都喜欢龙，它是中国文化的一种象征。考查名词辨析。situation情况；shape形状；symbol象征；promise许诺。根据常识可知，龙是中国文化的一种象征，故选C。二、完型填空（每小题1分，共15分）阅读下面短文，从每小题A、B、C三个选项中，选出可以填入空白处的最佳选项，并将其字母标号填入题前的括号内。Iwasrecentlyinvitedtodinnerbyafriend.Duringthemeal,themanagercameoverandsaidthatourmealwasfree.Hestoodthere11atme,heseemedtoknowme12Iaskedifheknewme.HelaughedandsaidIhadprobably13him,butIhadchangedhislife.Hesaidthattwelveyearsagohewasin14stressmanagementclass.Iaskedthegroupwhattheirnumberonestresswasand15ofthem,includinghim,saiditwastheir16.HesaidIlistenedcarefullyandthentookachairandplaceditinthecenteroftheroom.I17onthechairforafewminutesandthenIinvitedeveryonetodothesame.Iwantedthemtolookattheroomfrom18there.Aftereveryonehaddoneit,Iaskedthegrouptothinkabouthow19theroomlookedwhentheychangedtheirperspective(角度).ThenIaskedthemto20theirbosses.Wasthisthesamepersonwhohadseentheirgood21andhired（雇佣）them?Dotheyrememberhowhappytheyweretobe22forthejob?Howdidthesewonderfulpeoplebecometerriblebosses?HesaidIlookedathimandaskedifhehad23saidthankyoutohisbossfortheopportunitytomakealiving.Heansweredno.Hetoldmehis24changedthatnight.Hewentbacktoworkwitha25cardtohisboss.Hehadbeenthemanagerfor8years.Hesaidheowed（把……归功于）italltome:IhadtaughthimtolookatlifefromdifferentperspectivesandIhadtaughthimtoexpressgratitude（感激之情）.11．A．shouting B．smiling C．looking D．knocking12．A．Suddenly B．Luckily C．Finally D．Firstly13．A．remembered B．seen C．disliked D．forgotten14．A．their B．our C．his D．my15．A．More B．most C．few D．fewer16．A．teachers B．wives C．bosses D．children17．A．stood B．sat C．walked D．rested18．A．down B．right C．left D．up19．A．special B．different C．strange D．same20．A．miss B．consider C．like D．thank21．A．qualities B．tastes C．looks D．skills22．A．found B．refused C．chosen D．trained23．A．never B．always C．sometimes D．ever24．A．life B．luck C．salary D．job25．A．sorry B．post C．thank-you D．greeting【答案】11．B12．C13．D14．D15．B16．C17．A18．D19．B20．B21．A22．C23．D24．A25．C【分析】试题分析：本文讲述了在我们的生活中，要学会从不同的角度看问题，这样我们就可以更好的理解别人，同时我们要对别人心怀感激之情。11．shouting喊叫；smiling微笑；looking看；knocking敲门。联系后半句heseemedtoknowme.和下面的他非常感谢我可知此处指的是，他站在那儿对我微笑。故选B。12．Suddenly突然地；Luckily幸运地；Finally终于，最后；Firstly首先。联系前一句描述，可知最后我问他是否认识我。故选C。13．remembered记得；seen看见；disliked讨厌，不喜欢；forgotten忘记。联系前面的描述我的反应以及我问他是否认识我，可知我可能是忘记这个人了。故选D。14．their他们的；our我们的；his他的；my我的。联系后两句描述，可知他参加了我的减压课堂，我是给他们上课的老师。故选D。15．more更多的；most大部分的；few很少几个；fewer更少的。联系下文includinghim,可知此处指的是他们大部分。故选B。16．teachers老师们；wives妻子们；bosses老板们；children孩子们。联系下文ThenIaskedthemtotheirbosses.可知他们说的是他们的压力就是老板。故选C。17．stood站立；sat坐；walked行走，步行；rested休息。联系下文Iaskedthegrouptothinkabouthowtheroomlookedwhentheychangedtheirperspective(角度).可知此处指的是，从另一个角度看待问题，故不可能是坐在椅子上，站在椅子上，从上往下看，就像老板看待员工的视角一样。故选A。18．down向下，在下方；right正确的，恰当的；left左边的，剩下的；up在……上方，向上的；根据前面的站在椅子上，可知是从上往下看。故选D。19．special特殊的，专门的；different不同的；strange奇怪的，陌生的；same相同的。联系前一句描述，可知此处指的是这个房间看起来有什么不同。故选B。20．miss错过，想念；consider考虑，认为；like喜欢；thank感谢。联系下文，可知此处我让他们想一下老板。故选B。21．qualities品质；tastes品味，味道；looks相貌；skills技术，技能。联系后半句描述，可知此处指的是他们的好品质老板看到了他们的好品质并且雇佣了他们。故选A。22．found发现；refused拒绝；chosen选择；trained培训。结合语境可知此处指的是，他们被选中做这项工作，即被老板雇佣了。故选C。23．never从来不，永远不；always一直，总是；sometimes有时，偶尔；ever曾经。结合语境可知我问的是，他是否曾经向老板说过感谢。故选D。24．life生活；luck运气，好运；salary薪水，工资；job工作。根据第一段“butIhadchangedhislife”但是我改变了他的人生，可知他告诉我那天晚上他的生活改变了。故选A。25．sorry抱歉，对不起；post岗位，邮件；thank-you感谢；greeting打招呼。根据短文最后一句描述，可知此处指的是一张感谢卡，表达对老板的感谢之情。故选C。三、阅读单选（每小题2分，共40分）AThereare47differentkindsofKangaroo.Thesmallestareaboutaquarterofameterlong;thebiggestaretallerthanaman.Kangarooshaveverylongstronglegs.Theseareusedforjumping.Theyalsohavestrongtails,usedforrestingon.Kangaroos’frontlegsaremuchshorter,andarealmostlikearms.Kangaroos’headsarequitesmall,buttheirearsarequitelarge.Motherkangarooshaveapocketatthefront.Theyhaveonebabyeachyear.Whenitisborn,thebabykangaroogoesstraightintoitsmother’spocket.Thebabykangaroostaysthereforsixmonths.Thebiggestkangaroosstandmorethan2meterstall,andtheirbacklegsaresostrongthattheycanjumpmorethan9meters.Theyareveryfast,andcantravelatmorethan50kilometersanhour.Theyareverystrong,butonlyeatfruit,leavesandgrass.26．Howmanydifferentkindsofkangarooarethere?A．Twenty-seven. B．Thirty-seven. C．Forty-seven. D．Fifty-seven.27．Howlargeisabigkangaroo?A．Smallerthanaman. B．Biggerthanaman.C．Thesamesizeasaman. D．5meters.28．Howoftendoesakangaroohaveababy?A．Twiceayear. B．Twiceeverythreeyears.C．Onceeverytwoyears. D．Onceayear.29．Howlongdoesababykangaroostayinitsmother’spocket?A．Threemonths. B．Fourmonths. C．Halfayear. D．Fivemonths.30．Whatdokangarooseat?A．Fruit,leavesandgrass. B．Otheranimals. C．Somefish. D．Vegetable.【答案】26．C27．B28．D29．C30．A【分析】你喜欢袋鼠吗？你想了解关于袋鼠的一些事情吗？这篇短文给我们讲述了关于袋鼠的一些知识，世界上有47种不同种类的袋鼠，最小的袋鼠才25厘米长，而最大的袋鼠比人还要高。雌袋鼠的前面有一个育儿袋，小袋鼠出生后就会待在育儿袋里。还有哪些有趣的事实呢？看看文章里的介绍吧。26．细节理解题。根据短文第一段的开头Thereare47differentkindsofKangaroo.可知，有47种不同种类的袋鼠。故应选C。27．细节理解题。根据短文第一段中thebiggestaretallerthanaman.和第三段开头Thebiggestkangaroosstandmorethan2meterstall可知，最大的袋鼠站起来有2米多高，比一个人还要高。由此可知应选B。28．细节理解题。根据短文第二段中Theyhaveonebabyeachyear.可知，袋鼠妈妈每年生一个小袋鼠。故应选D。29．细节理解题。根据短文第二段最后一句话Thebabykangaroostaysthereforsixmonths.可知，小袋鼠在育儿袋里待六个月，也就是半年，故应选C。30．细节理解题。根据短文的最后一句话Theyareverystrong,butonlyeatfruit,leavesandgrass可知，袋鼠只吃水果、树叶和草。由此可知应选A。B（2020·山东九年级一模）ManypeopleknowShanghai’sbeautifulnightview（景色）,especiallythecolorfullightsfromthebuildings.Lighthelpsusseeandmakestheenvironmentmorebeautiful.However,toomuchlightbecomesakindofpollutionbutmanyofuspaylittleattentiontothispollutionorevenignoreit.Infact,itcausesalotofproblems.Lightpollutioncanbealmostasbadascarbondioxide（二氧化碳）pollution.Toomuchlightcandoharmtoourhealth.First,itcanmakeusfeelbadandwecan’tsleepwell.Second,lightsneedelectricity,andcreatingelectricitywillgiveoffgreenhousegases.Thisaffectstheairandcausesbreathingproblems.Third,studyshowspeoplelivingunderbrightlightforlongcanhavecancermoreeasily.Toomuchlightmaybeevenharmfultowildanimals.Thousandsofbirdsdiefromiteachyear.Somehitintothelightbuildings,becausetheycan’tseeclearlyinthestronglight.Somebirdssometimeslosetheirwaysinthebrightlight.Seaturtles（海龟）can’tfindthedarkbeachestolaytheireggs.Toprotecthumansandwildlife,weshouldtakemeasurestoreducetheuseoflightsatnight.31．Shanghai’snightisbeautifulbecauseofthe__________.A．colorfullights B．tallbuildings C．nicesea D．wildanimals32．Theunderlinedword“ignore”means_______inChinese.A．熟悉 B．消除 C．忽视 D．防治33．Accordingtothepassage,lightpollutioncanbealmostasbadas____________pollution.A．air B．water C．noise D．soil34．Whichofthefollowingiswrong?A．Toomuchlightcandoharmtowildanimals.B．Birdscan’tseeclearlybecausethelightistoobright.C．Birdssometimeslosetheirwaybecauseofthebrightlight.D．Seaturtlescan’tfindthedarkbeachestorest.35．Themainideaofthepassageis_____________.A．themeasurestoreducetheuseoflightsatnightB．thereasonswhythousandsofbirdsdieeachyearC．howtoprotectourselvesfromthebrightlightD．theharmoflightpollution【答案】31．A32．C33．A34．D35．D【分析】这是一篇说明文，文章主要讲述了上海的光污染问题，介绍了光污染的危害。31．细节理解题。根据第一段“ManypeopleknowShanghai’sbeautifulnightview,especiallythecolorfullightsfromthebuildings”可知上海的夜色美是因为多彩的灯光。故选A。32．词义猜测题。根据“butmanyofuspaylittleattentiontothispollution”我们中的很多人不怎么注意这种污染，可知“ignore”的含义是忽视。故选C。33．推理判断题。根据第一段“Lightpollutioncanbealmostasbadascarbondioxidepollution”光污染和二氧化碳污染几乎一样严重，可知光污染和空气污染一样糟糕。故选A。34．推理判断题。根据倒数第二段“Seaturtlescan’tfindthedarkbeachestolaytheireggs”海龟摘不到黑暗的海滩来下蛋。D选项“Seaturtlescan’tfindthedarkbeachestorest海龟找不到黑暗的海滩来休息”表述错误。故选D。35．主旨大意题。文章主要讲述了上海的光污染问题，介绍了光污染的危害。可概括为“theharmoflightpollution”。故选D。CAboutDestoryingofForestsIfyoutravelbyairacrossthecenterofAfrica（非洲）SouthAmerica,youwillflyoverforestsforthousandsofkilometers.Theseforestsaretheoceansoftrees.Theyarefullofthousandsofdifferentkindsofplantsandanimals.However,theworld’sforestsaregettingsmallerandsmallerallthetime.Wearecuttingdowntreesbecauseweneedwood,andweneedmorefarmland.Somepeoplesaythattherewillnotbeanyforestliketheseintwentyorthirtyyears.Whatwillhappeniftheydisappear?Ifwecutdownourforests,alotofplantsandanimalswilldisappearfromtheworld.Inalotofplacesthenewfarmlandwillsoonlookliketheolddeserts.Cropswillnotgrowthere.Itwillnotrainveryoften,andtheweatherwillgetveryhot.Perhapstheclimateoftheworldwillchange.Thiswillbedangerousforeveryoneintheworld.Thatiswhywemusttakecareofourforests.36．Thistextismainlyabout.A．theimportanceoftakingcareofourplants.B．theresultofcuttingdowntreesC．thelocationsofgreatforestsD．thereasonsforformingthedeserts37．Accordingtothepassage,whichofthefollowingisTRUE?A．AfricaandSouthAmericaarenottheoceansoftrees.B．Forestsarehomesfordifferentkindsofanimals.C．Forestsareusuallyseveralsquarekilometerslarge.D．Differentplantscan’tbefoundinthesameforest.38．Theneedformorewoodandmorelandresultsin.A．thechangeoftheworldclimateB．thedisappearanceofmanyplantsandanimalsC．moredesertsandlessfarmlandD．Alloftheabove.39．Doyouthinkwhatwillhappenintwentyorthirtyyears?A．We’llhavemoreandgreaterforests.B．We’llhaveenoughlandtosupportourpeople.C．We’llnothaveforestslikethoseinthecenterofAfrica.D．We’llhaveenoughwoodtodosomecooking.40．Inthewriter’sopinion,hethinks.A．itisdangerousforeveryonetocutdowntheforestsB．itisnecessaryforeveryonetoprotecttheforestsC．itisimpossibleforeveryonetotakecareofourforestsD．itisimportantforeveryonetokeepanimals【答案】36．A37．B38．D39．C40．B【分析】这篇短文讲述的是由于人类的砍伐，世界上的森林变得越来越小，也许二、三十年后我们将不会有大片的森林。如果森林消失了会怎么样呢？这将会给我们带来巨大的影响，例如很多动植物会消失、农田会变成沙漠、气候会发生变化。没有森林是非常可怕的，因此我们必须要保护森林。36．主旨大意题。根据短文第二段第一句话However,theworld’sforestsaregettingsmallerandsmallerallthetime.以及第三段中hiswillbedangerousforeveryoneintheworld.Thatiswhywemusttakecareofourforests.可知，短文中作者告诉我们森林正变得越来越小，也许很快就会消失。第三段着重讲述了森林消失对世界的影响，最后得出结论：我们必须要保护我们的森林。因此这篇短文的主要内容是讲述了森林的重要性，结合选项可知应选A。37．推理判断题。根据第一段最后一句话Theyarefullofthousandsofdifferentkindsofplantsandanimals.可知，森林里有上千种不同种类的植物和动物，由此可知B选项符合文意，同时也可排除D。根据第一段IfyoutravelbyairacrossthecenterofAfrica（非洲）SouthAmerica,youwillflyoverforestsforthousandsofkilometers.Theseforestsaretheoceansoftrees.可知A不对；根据However,theworld’sforestsaregettingsmallerandsmallerallthetime可知C不对。38．细节理解题。根据短文第三段alotofplantsandanimalswilldisappearfromtheworld.Inalotofplacesthenewfarmlandwillsoonlookliketheolddeserts.Cropswillnotgrowthere.Itwillnotrainveryoften,andtheweatherwillgetveryhot.Perhapstheclimateoftheworldwillchange.可知，森林的消失带来的影响包括：很多动植物消失、农田变成沙漠、气候会发生变化。故A、B、C三项都提到了，应选D。39．细节理解题。根据短文第二段中Somepeoplesaythattherewillnotbeanyforestliketheseintwentyorthirtyyears.可知，也许二、三十年之后，我们将没有像非洲中部那样的森林了。故应选C。40．细节理解题。根据短文最后一句话Thatiswhywemusttakecareofourforests.可知，作者认为我们必须要保护我们的森林。故应选B。D（2021·广西南宁二中九年级期末）Theclimate（气候）doesn’talwaysstaythesame.Itchangesslowlyoverhundredsoreventhousandsofyears.Inthelast100years,theglobaltemperaturehasgoneupbyabout0.75℃.TheEarth’stemperatureisgettingwarmerfasterthaneverbefore.Asaresultofthechangingclimate,theworld’secosystems（生态系统）arealsochangingfaster.Forexample,mangroveforests（红树林）andcoralreefsinsomepartsoftheworldhavebeenreducedrapidlyforyears.Increasingtemperatureshavealsoledtolossofhomesforpolarbears.Sowhatiscausingclimatechange?Themaincauseisthehugeamountofgreenhouses,butthereasonforthisistheworld’spopulation.Asthepopulationincreases,morelandisneededtoprovidefood,andmoreenergyisneeded.Burningfossilfuels（化石燃料）producesCO2.What’smore,wearecuttingdownforestsforfarmland,eatingalotofmeatanddrinkingalotofmilkfromcows.AlloftheseactivitiesproducealotofgasesandmaketheEarthhotter.Nooneknowsexactlywhatisgoingtohappentoitinthefuture.LotsofCO2,andothergasesarenowintheairandtheywillcontinuetomaketheEarthhotterforhundredsofyears.Thismeansthaticewillbecomewater,soseaswillriseandsomeplaceswillbeunderwater.Theweatherwillbeworseandtherewillbemorestorms.Itsoundsverybad,butitispossibletohelpstopthesechangestoourclimate.Weneedtostopburningfossilfuelsandgetenoughenergyfromrenewablefuelslikesolarenergy,hydroelectric（水力发电）energyorwindpowertoreducetheamountofCO2intheair.Wecanalsotravellessinplanes,eatlessmeatandmakechangesathometouselessenergy.Wemustdosomethingbeforeitistoolate.根据短文内容，选择最佳选项，并在答题卡上将选定答案的字母标号涂黑。41．InParagraph1,howdoesthewritertellustheresultsoftheclimatechange?A．Byaskingquestions. B．Bylistingnumbers.C．Bygivingexamples. D．Bycomparingreasons.42．Whyistheglobalclimatechangingmorequickly?A．Becausemangroveshavebeenmoreinsomeplaces.B．Becausethepopulationoftheworldhasincreasedalot.C．Becauseseashaverisenandsomeplaceshavebeenunderwater.D．Becausepeoplestarttouserenewableenergyinsteadoffossilfuels.43．Whatdoestheunderlinedword“it”referto?A．Theclimate. B．Thegas. C．Thesea. D．Thepopulation.44．WhichofthefollowingisTRUEaccordingtothepassage?A．Theworld’secosystemswillsurelybecomeworseinthefuture.B．TherewillbefewerstormsbecauseofCO2andothergases.C．Solarenergy,hydroelectricenergyandfossilfuelsarerenewablefuels.D．Eatinglessmeatisoneofthewaystohelpstoptherapidclimatechange.45．Whatisthemainpurposeofwritingthispassage?A．Totellushowtheglobaltemperaturegoesupeveryyear.B．Tomakeusknowaboutthereasonsoftheclimatechange.C．Totelluswhatisgoingtohappentotheclimateinthefuture.D．Tomakeuspayattentiontotheclimatechangeandtakeaction.【答案】41．C42．B43．A44．D45．D【分析】文章介绍了地球气候变化的原因及危害，以及提出解决办法，呼吁人们在为时已晚之前做点事情。41．细节理解题。根据“Asaresultofthechangingclimate,theworld’secosystems（生态系统）arealsochangingfaster.Forexample,mangroveforests（红树林）andcoralreefsinsomepartsoftheworldhavebeenreducedrapidlyforyears.Increasingtemperatureshavealsoledtolossofhomesforpolarbears.”可知，第一段主要是通过举例说明气候变暖的结果，故选C。42．细节理解题。根据“Sowhatiscausingclimatechange?Themaincauseisthehugeamountofgreenhouses,butthereasonforthisistheworld’spopulation...”可知，全球气候变化更快是因为世界人口增长的很多，故选B。43．词义猜测题。根据“AlloftheseactivitiesproducealotofgasesandmaketheEarthhotter.Nooneknowsexactlywhatisgoingtohappentoitinthefuture.LotsofCO2,andothergasesarenowintheairandtheywillcontinuetomaketheEarthhotterforhundredsofyears.”可知，所有这些活动都会产生大量气体，使地球变得更热。没有人确切知道它将来会发生什么。现在空气中有大量的二氧化碳和其他气体，它们将在数百年内继续使地球变得更热。也就是说没有人知道将来气候会是什么样子，此处的it指代的是climate，故选A。44．推理判断题。根据“Wecanalsotravellessinplanes,eatlessmeatandmakechangesathometouselessenergy.Wemustdosomethingbeforeitistoolate.”可知，我们也可以少乘飞机旅行，少吃肉，在家里做些改变，减少能源消耗。因此少吃肉可以帮助阻止快速气候变化的方法之一，故选D。45．主旨大意题。根据“Sowhatiscausingclimatechange?Themaincauseisthehugeamountofgreenhouses,butthereasonforthisistheworld’spopulation.”及整个文章的理解可知，主要是向我们介绍气候变化的原因并呼吁人们采取行动，故选D。四、短文选词填空（每小题1分，共10分）（2021·江西中考真题）star,still,good,rest,up,how,pollution,stop,small,see,towardsLookupattheskyatnight.Whatcanyousee?Beforeelectriclights,peoplecouldoftenseeabout2,500differentstars.Now,lightfillstheskiesoverourcities.Thisiscalledlight46．.Becauseofit,peopleincitiescanoftenonlyseeaboutten47．!Mostofthetime,lighthelpsus.Wecan48．becauseofit.Itgivesplantsenergy.Butlightisn’talways49．.Weneedtimesofdark50．.Onehundredyearsago,wehadthosetimesofdark.Nowthenightislikeday.Somescientistsareworriedabout51．thislighteffects（影响）ourhealth.Thesescientistsarestudyingtheeffectsoflightpollution.Otherscientistsarefindingwaysto52．lightpollutionandmakeourlivesbetter.Forexample,manystreetlightsnowhavecovers.Thecoversfocusthelight53．theground.Theystopthelightfromgoing54．intothesky.Theyalsosaveenergy.Thecoversarea55．change,buttheycanstillhaveapositive（正面的）effect.【答案】46．pollution47．stars48．see49．good50．torest51．how52．stop53．towards54．up55．small【分析】本文主要关于光污染的问题以及阻止光污染的措施。46．句意：这叫光污染。阅读全文可知，本文主要讲述光污染的问题，pollution污染，名词。故填pollution。47．句意：正因为如此，城市里的人们常常只能看到十颗星左右！根据“Beforeelectriclights,peoplecouldoftenseeabout2,500differentstars.”以及“Becauseofit,peopleincitiescanoftenonlyseeaboutten...”可知，因为光污染，城市里的人们现在只能看到大约十颗星星，备选词汇“star”符合语境，此处填名词复数stars。故填stars。48．句意：我们可以看到因为它。根据“Mostofthetime,lighthelpsus.”以及常识可知，光可以让我们看见东西，备选词汇“see”符合语境，空前有情态动词，后接动词原形。故填see。49．句意：但光并不总是好的。根据“Mostofthetime,lighthelpsus.”以及“Butlightisn’talways...”可知，此处表示转折，描述光的坏处，备选词汇“good”符合语境。故填good。50．句意：我们需要天黑的时候休息。根据常识可知，天黑时要我们要休息，备选词汇“rest”符合语境，needsth.todo需要某物来做。故填torest。51．句意：一些科学家担心这种光如何影响我们的健康。根据“thislighteffectsourhealth”可知，此处表示影响我们健康的方式，用how。故填how。52．句意：其他科学家正在寻找方法阻止光污染，让我们的生活更美好。根据“Otherscientistsarefindingwaysto...lightpollutionandmakeourlivesbetter.”可知，此处表示阻止光污染，备选词汇“stop”符合语境，空前有to，用动词原形。故填stop。53．句意：灯罩将光线聚焦在地面上。此处表示将光聚焦到地面上，备选词汇“towards”符合语境。故填towards。54．句意：它们阻止光线往天上照。此处表示灯罩不让光往天上照，备选词汇“up”向上，符合语境。故填up。55．句意：灯罩是一个小的变化，但它们仍然可以有一个正面的影响。空处缺少一个形容词，备选词汇“small”符合语境，表示灯罩是一个小小的变化。故填small。五、补全对话7选5（每小2分，共10分）Tony:Hey,Mark,maybewecouldgoswimmingintheriverlaterthisafternoon.Mark:56．Tony:Whynot?Mark:Iwastherelastweekendandtheriverwasreallydirty.57．Andtherewerenomorefishforfishermentocatch.Tony:Noway!58．Infact,ithasalwaysbeenthenicestriverinthistown.Mark:Notanymore.Ithinkpeoplearethrowinglitterintotheriver.59．Tony:That’sterrible!Weshouldwritetothegovernment.Theyshouldclosedownthefactories.Mark:Goodidea!ButIthinkeveryoneinthistownshouldhelptocleanuptheriver,too.60．Tony:Iagreewithyou.A．It’sverycleannow.B．Idon’tthinkIwanttogo,Tony.C．Factoriesarealsoputtingwasteintotheriver.D．I’dliketogowithyou.E.Eventhebottomoftheriverwasfullofrubbish.F.Itusedtobesoclean.G.Everyoneshouldplayapartnotjustthegovernment.【答案】56．B57．E58．F59．C60．G【分析】本文是一篇对话。对话主要是Tony和Mike两个人探讨了镇子里小河的情况，并提出了解决方法。56．根据上句的“maybewecouldgoswimmingintheriverlaterthisafternoon”和后句的“Whynot?”可知，回答的应该是不想去，选项B“我认为我不想去”最符合语境，故选B。57．根据前面的“Iwastherelastweekendandtheriverwasreallydirty”和后面的“Andtherewerenomorefishforfishermentocatch”可知，空缺处应该填的是和水脏相关的内容，选项E“连河底都是垃圾”最符合语境，故选E。58．根据前面的“Noway!”和后面的“Infact,ithasalwaysbeenthenicestriverinthistown”可知，选项F“它过去很干净”最符合语境，故选F。59．根据前文的“Notanymore.Ithinkpeoplearethrowinglitterintotheriver”和后面的“Wes