高考英语一轮总复习练案29选修6Unit4Globalwarming练习含解析新人教版

一轮复习精品资料(高中)PAGEPAGE1选修六Unit4GlobalwarmingⅠ.完形填空(2020·河南省南阳市一中月考)“What'sallthistree-plantingfor？”IwasaskedwhenIbeganwritingabout1.BapieceoflandIhadboughtinSomerset.Thetruthis,Ijustlovetrees.AndIamnot2.C.AsIgetolder,allIreally3.Distoplanttrees,PrinceCharlessaysinaBBCdocumentaryinwhichheis4.AinthewoodheplantedonthedayPrinceGeorgewasborn.Thereare5.Candwonderfultreesinourcitiesandvillages.Theywereplanted,orself-sown,years,evencenturiesago.Wetakethemforgranted,6.Cthecreatureslivingamongthem,remaininignoranceofthe7.Btreesaredoingus(cleaningtheair,forinstance)andcutthemdownfornew8.A.Yetwekeepafeelingof9.Dforthem.Thismayaccountforthe10.Bthegovernmentfacedin2010whenitsoughttoselloffpubliclyownedwoods,andforthewidesupportthattheWoodlandTrust(atree-protectingcharity)11.A.Treesneed12.A，whichiswhyI,acity-resident,boughtmySomersetwoodlandin1999.Atthattime,climatechangewasalreadywellproved,13.Dmyhopesofplantinglong-livedoaksandpinesgraduallydevelopedintoanxietyabouttheir14.B.TreediseasesnewtotheUK,wind,droughtandfloodwereall15.Aagainstthem.ButIdidnot16.Dthingstomovesofast.Thewoodlandisstillgood,thenewtreesaregrowinglikemad,butthecreaturesare17.C.Therabbitshavedisappearedandtheowlhasmoved.Thebeesandbutterfliesare18.Btherebutinsmallernumbers.Howcanthishappenonland19.Cpesticides(杀虫剂)？Surely,itindicatesweneedtogivenaturethechancetorestoreitsown20.D.Meanwhile,Ilovemywood,andsodomanyofitsvisitors.Andtree-plantinghasdonewondersforrestoringmybalancetownandcountry.文章大意：这是一篇议论文。作者写树木给人带来的好处，和自己买下一块萨默塞特林地种树，种树的目的就是维持人与自然的平衡。1.A．replacing B．restoringC．recycling D．returning〖解析〗句意：当我写我在恢复萨默塞特购买的那片土地时，我被问道：种这些树是为了什么？replacing替代；restoring恢复；recycling回收利用；returning归还。根据最后一句“Andtree-plantinghasdonewondersforrestoringmybalancetownandcountry，”得知作者种树是为了恢复土地，故选B。2．A.rich B．weakC．alone D．social〖解析〗句意：不是只有我一个人有这种想法。rich富有的；weak虚弱的；alone独自的；social社会的。空格后引用了PrinceCharles的话“我开始变老，我所想的就是种树”，可见他与作者有相同的观点，因而作者说自己notalone。故选C。3．A.applyfor B．waitforC．makefor D．longfor〖解析〗句意：随着年龄增长，我唯一渴望的就是种树。applyfor申请；waitfor等待；makefor有助于；longfor渴望。作者唯一渴望的就是种树，故选D。4．A.filmed B．trackedC．reflected D．discovered〖解析〗句意：PrinceCharles在他参演的BBC纪录片里面说到“我开始变老。我所想的就是种树”。filmed拍摄；tracked追踪；reflected反射；discovered发现。根据documentary(纪录片)可知选filmed。故选A。5．A.holy B．youngC．mature D．mysterious〖解析〗句意：这有成熟美丽的大树。holy神圣的；young年轻的；mature成熟的；mysterious神秘的。空格后面一句写到这些树被种或者自己成长在几年以前或者是几个世纪前，因而推测出我们村庄的这些树是成熟的(mature)，故选C。6．A.raise B．watchC．ignore D．abuse〖解析〗句意：我们认为这些树是理所当然的，忽视了生活在其中的其他生物，忽视了树给我们带来的净化空气等等的好处，砍下树木另作他用。raise上升；watch看；ignore忽略；abuse滥用。空格后有ignorance，所以这里选择ignore。故选C。7．A.honor B．goodC．credit D．justice〖解析〗句意：忽视了树给我们带来的净化空气等等的好处，砍下树木另作他用。honor荣誉；good好处；credit信用；justice正义。空格后有cleantheair(净化空气)等好处，所以选择good赞扬树木。故选B。8．A.use B．spiritC．life D．hope〖解析〗句意：忽视了生活在其中的其他生物，忽视了树给我们带来的净化空气等等的好处砍下树木另作他用。use用途；spirit精神；life生活；hope希望。人们忽视树木的好处，为了新的用途而砍树，故选A。9．A.trust B．sadnessC．betrayal D．affection〖解析〗句意：我们对树木有喜爱之情。trust信任；sadness悲伤；betrayal背叛；affection喜爱。根据上文yet表示转折，上文写我们忽视了树木给我们带来的好处，砍伐他们，然而我们内心对树木还是有喜爱之情的。故选D。10．A.approval B．oppositionC．option D．dilemma〖解析〗句意：这可以解释政府在2010年试图卖掉公有树木时遭遇了反对，因为获得了广泛的支持。approval支持；opposition反对；option选择；dilemma困境。WoodlandTrust(树木保护组织)获胜了。上文是公众喜爱树木，所以应该是反对政府卖树的。故选B。11．A.wins B．rejectsC．requires D．withdraws〖解析〗句意：树木保护组织赢了。wins赢；rejects拒绝；requires要求；withdraws撤退。因为获得了widesupport，所以WoodlandTrust(树木保护组织)赢了。故选A。12．A.space B．timeC．company D．nutrition〖解析〗句意：树木生长需要空间。space空间；time时间；company公司；nutrition营养。我在1999年买下萨默塞特林地的原因是树木需要空间。故选A。13．A.since B．forC．yet D．so〖解析〗句意：当时，气候变化已经得到了很好的证明，所以我种植长寿橡树和松树的希望逐渐变成了焦虑。前后是因果关系。故选D。14．A.benefits B．chancesC．location D．appearance〖解析〗句意：当时，气候变化已经得到了很好的证明，所以我种植长寿橡树和松树的希望逐渐变成了焦虑。benefits益处；chances机会；location位置；appearance外表。气候变化已被证实，所以我对树木是否有生长机会的忧虑。故选B。15．A.pilingup B．speedingupC．keepingup D．mixingup〖解析〗句意：狂风、干旱、洪水共同抵抗他们。pilingup堆积；speedingup加速；keepingup保持；mixingup混合。这里讲到影响树木生长的阻碍。故选A。16．A.wish B．intendC．allow D．expect〖解析〗句意：但是我没预料到事态发展地如此之快。wish祈求；intend打算；allow允许；expect期待；预料。因为林地目前很好，但新树苗在疯长。故选D。17．A.inplace B．inorderC．indecline D．inquestion〖解析〗句意：生物的数量在减少。inplace适当的；inorder整齐；indecline下降；inquestion考虑中的。上文提到树木在疯长，用but转折可知creatures的数量应该在减少(indecline)。故选C。18．A.even B．stillC．ever D．once〖解析〗句意：蜜蜂和蝴蝶仍然有，但是数量减少了。根据减少得知前面是虽然仍然存在。故选B。19．A.shortof B．sickofC．freeof D．fullof〖解析〗句意：我们如何让这片土地上的生物摆脱杀虫剂呢？shortof缺乏；sickof厌恶；freeof摆脱；fullof充满。杀虫剂阻碍生物生长，要摆脱它们。故选C。20．A.glory B．functionC．impact D．balance〖解析〗句意：我们要给自然机会去维持自身的均衡。glory荣誉；function功能；impact影响；balance平衡。我们要给自然机会去维持自身的均衡，和最后一句restoremybalance呼应。故选D。Ⅱ.阅读理解(2021·河南省九师联盟质检)AsspringadvancesacrosstheMidwest,anewstudylookingatblooming(盛开的)flowerssuggestsnon-nativeplantsmightlivelongerthannativeplantsduetoclimatechange.Thestudy—ledbyresearchersatIndianaUniversityandMichiganStateUniversity—hasshownwarmingtemperaturesaffectnativeandnon-nativefloweringplantsdifferently,whichcouldchangethelookoflocalplaceovertime.“Whenaplantflowersdetermineswhetheritwillbepollinated(授粉)bybeesorotherinsectsandhowmuchtimeitwillhavetoproduceseeds.Ourdatamakesmeworrythatwewillhaveaveryweedyworldinourfuture,”saidthestudy'sleadauthorJenLau,anassociateprofessorinIndianaUniversity.Theresearchers'findingssuggestnon-nativeplantsmaybebetteratshiftingtheirfloweringtimecomparedtonativeplants.Thesedifferencesarethoughttoinfluenceaplant'ssuccessbothnowandinfuturewarmerenvironments.Lauandherstudentssimulated(模拟)globalwarminginfieldsplantedwith45nativeandnon-nativeplants.Someareaswerewarmedbyinfrared(红外线的)heaters,whileotherareaswerenot.Lau'slabsurveyedallplantstodeterminewhentheyfirstfloweredandhowlongtheyflowered.WhenplantsweregrowninwarmedplotssimulatingtheclimatechangeexpectedintheMidwestbytheendofthecentury,theresearchersfoundthatnon-nativeplantsfloweredmorethan11daysearlieronaverage.Incontrast,nativeplantsdidn'tchangefloweringtimesatallwhenwarmed.Theyalsofoundearlier-floweringnon-nativeplantshadgreatergeographicspread,suggestingthatfloweringearliermayhelppromotesuccessfuloccupationacrosslargeareas.Thefindingssuggestimportantdifferencesinhownativeandnon-nativeplantsrespondtoclimatechange.文章大意：本文是一篇科普说明文。一项新的研究发现，本土植物比非本土植物更易受气候变化的影响。1．Whatdoesthenewstudyfindaboutnativeplantscomparedwithnon-natives？DA．Theymayhavealongerlifecycle.B．Theyarelikelytohavemoreflowers.C．Theyaremoreadaptabletoclimatechange.D．Theymaybeatgreaterriskfromclimatechange.〖解析〗细节理解题。根据第一段“...anewstudylookingatblooming(盛开的)flowerssuggestsnon-nativeplantsmightlivelongerthannativeplantsduetoclimatechange.”可知，跟非本土植物相比，气候变化给本土植物带来的危险更大。2．WhatdoJenLau'swordsinparagraph2suggest？CA．She'squitesurethataweedyworldiswaitingforus.B．Plantsmaylosetheabilitytoflowerinthefuture.C．Thetimingofaplant'sfloweringiskeytoitslifecycle.D．Aplant'sfloweringtimealmosthasnoeffectonitspollination.〖解析〗推理判断题。根据第二段“‘Whenaplantflowersdetermineswhetheritwillbepollinated(授粉)bybeesorotherinsectsandhowmuchtimeitwillhavetoproduceseeds.’”可知，植物的开花时间决定了它是否会被蜜蜂授粉以及它将有多少时间来产生种子。由此可推断，植物的开花时间是它生命周期的关键。3．Whatdoestheunderlinedword“shifting”inparagraph3probablymean？AA．Changing. B．Postponing.C．Arranging. D．Predicting.〖解析〗词义猜测题。画线词所在句子句意表示“研究人员的发现表明非本土植物可能比本土植物更擅长它们的开花时间”，再根据第五段“...theresearchersfoundthatnon-nativeplantsfloweredmorethan11daysearlieronaverage.Incontrast,nativeplantsdidn'tchangefloweringtimesatallwhenwarmed.”可推断，画线词义为“改变”。4．Whatisparagraph4mainlyabout？BA．Howglobalwarmingaffectedplantspecies.B．Howtheresearcherstestedtheirsupposition.C．Howtokeepthewarmthoftheplantedfields.D．Howtodeterminethefloweringtimesofplants.〖解析〗段落大意题。根据第三段“Thesedifferencesarethoughttoinfluenceaplant'ssuccessbothnowandinfuturewarmerenvironments.”及第四段中提到“模拟全球变暖”和“用红外线加热器”等可推断，第四段主要讲述的是研究人员是如何测试他们的假设的。Ⅲ.阅读七选五(2021·四川省天府名校联考)Isourplanetheatingup?Arehumanbeingstoblameforclimatechange?1.GThediscussiononthissubjecthasbeenheated,butwhatarescientistsactuallysaying?AtReader'sDigest,wedecidedtofinditout.2.BYes,ithas,andevenwarmer.Greenlandwasforestedbetween450,000and800,000yearsago,sotemperatureswereconsiderablywarmerthen.Therehavealsobeenothertimesofrelativelyhightemperatures.Sowhydoestheconcernexist?It'sallaboutthespeedatwhichtemperaturesarechanging.3.EButinthe20thand21stcenturies,especiallysince1976,temperatureshaveprobablyrisenmorequicklythanduringanycenturyinthepast1,000years.WarmingmaybringimprovedcropproductionandotherbenefitstonortherncountriessuchasCanadaorRussia.However,manyspeciesmaynotadapttotheseconditions,andtheonethatisabletomaycauseaproblem.4.FTheWestNilevirus,firstseeninNorthAmericanineyearsago,infectedabout4,000peopleintheUSin2006.Themountainpinebeetle,whichisactiveduringwarmerwinters,hasalreadydestroyedabout13millionhectaresofCanada'sforests,worthanestimated$6.4billion.Whatiscausingthewarming?IPCChasconcludedthathumanactivityisverylikelyresponsible,byincreasingtheconcentrationsofgreenhousegasesandthusthegreenhouseeffect.5.ATheyarguethehumancontributionisnothing.A．Somescientists,however,stilldisagree.B．Hastheplaneteverbeenthiswarmbefore?C．Hashumanbehaviormadetheplanetwarm?D．Temperatureshavebeenchangingallthetime.E．Inthepast,temperaturesmovedupordowngradually.F．Mosquitoeshavebeenmovingnorthwardstohigherplaces.G．Thesequestionshaveburstintonewspapers,filmsandpopularbooks.文章大意：本文是一篇议论文。主要内容是科学家关注引起气候变暖的真正原因，及对该问题的讨论。〖解析〗1．根据前文提出的两个问题可知，G选项中的thesequestions指代前文的两个问题；再根据下文可知，关于“气候变暖”的问题讨论一直很热烈，G选项中提到“气候变暖这些问题在报纸、电影和书籍中都提到过。”，由此可知，G选项能承接上下文。故选G。2．根据下文的“Yes,ithas,andevenwarmer”．(是的，有，而且更暖和。)，可知此句是答语，由ithas也可推知，问句的部分包含has助动词，B项符合这个要求，且语义(地球以前有过这么温暖吗？)承接下文。故选B。3．根据上下文可知，此处强调的是气候的变化，且E选项中的temperatures和上下文呼应，且语境承接上下文。故选E。4．根据前文的“manyspecies”(许多物种)可知，此处用“Mosquitoes”进行举例说明，因为一些物种无法适应这种环境，所以蚊子向北移到较高的地方。故F项承接上文，故选F。5．根据上下文可知，政府间气候变化专门委员会得出结论，人类活动很可能是罪魁祸首，因为人类活动增加了温室气体的浓度，从而造成了温室效应。然而，一些科学家仍然不同意。他们认为人类的贡献微不足道。故A项承接上下文，且呼应本文主题。故选A。Ⅳ.语法填空(2020·潍坊市6月模拟)Earlier2019,theInternationalCentreforIntegratedMountainDevelopmentpublished1.themostcomprehensiveanalysisuptonowofhowclimatechangewillaffecttheglaciers(冰川)oftheworld,2.warning(warn)thatabout18,000glacierswilldisappearby2100.Thisisabad3.prediction(predict)forsome1.9billionSouthAsians,4.whousewaterfromtheseglaciersnotonlyfordrinkingbutasloforagriculture,hydroelectricpower,andtourism.Butthesurveyalsolookedatanimmediatequestion:Astheglaciers5.rapidly(rapid)melt,wherewillallthewater—morethanaquadrilliongallonsofit,almosttheamount6.contained(contain)inLakeHuron—go?TheansweristhattheHimalaya,forexample,longdefinedby7.its(it)glaciers,isbecomingamountainrangedefinedbylakes.Infact,anotherstudyfoundthatfrom1990to2010,morethan900newglacier-fedlakes8.wereformed(form)acrossAsia'shighmountainranges.Becauseofthoseremotelocations,scientistsmustrely9.on/uponsatellitestocountthem,andnewlakesappeartobegrowingsoquicklythatit'sdifficultforscientificteamstoagreeontheprecisenumber.It'sallhappeningmuch10.faster(fast)thanweexpectedittoevenfiveortenyearsago.文章大意：本文是一篇说明文。由于气候变化，到2100年时，世界上将会有大约18000处冰川消融。冰川消融会对人类生活造成什么样的影响？消融后的水都去了哪里？1．考查冠词。形容词最高级前应使用定冠词the。themostcomprehensiveanalysis表示“最全面的分析”。2．考查非谓语动词。分析句子结构可知，空处为非谓语动词作伴随状语，warn与主语theInternationalCentreforIntegratedMountainDevelopment构成逻辑上的主谓关系，故用其现在分词形式。3．考查名词。该空前面有abad修饰，应使用单数名词。4．考查关系代词。空处引导非限制性定语从句，且在从句中作主语，从句修饰先行词SouthAsians，故用关系代词who。5．考查副词。空处修饰动词melt，故用所给词的副词形式rapidly“快速地，迅速地”。6．考查非谓语动词。分析句子结构可知，contain与theamount构成逻辑上的动宾关系，故用过去分词作定语。7．考查代词。空处修饰后面的名词glaciers，故用形容词性物主代词its。8．考查时态、语态和主谓一致。句子主语是morethan900newglacier-fedlakes，与动词form构成动宾关系且表示复数；时间状语是from1990to2010，应用一般过去时。故填wereformed。9．考查介词。此处表示科学家必须依靠人造卫星来计算它们的数量。relyon/upon“依靠，依赖”，为固定搭配。10．考查比较级。根据空前的much和空后的than可知，空处应用所给词的比较级形式。选修六Unit4GlobalwarmingⅠ.完形填空(2020·河南省南阳市一中月考)“What'sallthistree-plantingfor？”IwasaskedwhenIbeganwritingabout1.BapieceoflandIhadboughtinSomerset.Thetruthis,Ijustlovetrees.AndIamnot2.C.AsIgetolder,allIreally3.Distoplanttrees,PrinceCharlessaysinaBBCdocumentaryinwhichheis4.AinthewoodheplantedonthedayPrinceGeorgewasborn.Thereare5.Candwonderfultreesinourcitiesandvillages.Theywereplanted,orself-sown,years,evencenturiesago.Wetakethemforgranted,6.Cthecreatureslivingamongthem,remaininignoranceofthe7.Btreesaredoingus(cleaningtheair,forinstance)andcutthemdownfornew8.A.Yetwekeepafeelingof9.Dforthem.Thismayaccountforthe10.Bthegovernmentfacedin2010whenitsoughttoselloffpubliclyownedwoods,andforthewidesupportthattheWoodlandTrust(atree-protectingcharity)11.A.Treesneed12.A，whichiswhyI,acity-resident,boughtmySomersetwoodlandin1999.Atthattime,climatechangewasalreadywellproved,13.Dmyhopesofplantinglong-livedoaksandpinesgraduallydevelopedintoanxietyabouttheir14.B.TreediseasesnewtotheUK,wind,droughtandfloodwereall15.Aagainstthem.ButIdidnot16.Dthingstomovesofast.Thewoodlandisstillgood,thenewtreesaregrowinglikemad,butthecreaturesare17.C.Therabbitshavedisappearedandtheowlhasmoved.Thebeesandbutterfliesare18.Btherebutinsmallernumbers.Howcanthishappenonland19.Cpesticides(杀虫剂)？Surely,itindicatesweneedtogivenaturethechancetorestoreitsown20.D.Meanwhile,Ilovemywood,andsodomanyofitsvisitors.Andtree-plantinghasdonewondersforrestoringmybalancetownandcountry.文章大意：这是一篇议论文。作者写树木给人带来的好处，和自己买下一块萨默塞特林地种树，种树的目的就是维持人与自然的平衡。1.A．replacing B．restoringC．recycling D．returning〖解析〗句意：当我写我在恢复萨默塞特购买的那片土地时，我被问道：种这些树是为了什么？replacing替代；restoring恢复；recycling回收利用；returning归还。根据最后一句“Andtree-plantinghasdonewondersforrestoringmybalancetownandcountry，”得知作者种树是为了恢复土地，故选B。2．A.rich B．weakC．alone D．social〖解析〗句意：不是只有我一个人有这种想法。rich富有的；weak虚弱的；alone独自的；social社会的。空格后引用了PrinceCharles的话“我开始变老，我所想的就是种树”，可见他与作者有相同的观点，因而作者说自己notalone。故选C。3．A.applyfor B．waitforC．makefor D．longfor〖解析〗句意：随着年龄增长，我唯一渴望的就是种树。applyfor申请；waitfor等待；makefor有助于；longfor渴望。作者唯一渴望的就是种树，故选D。4．A.filmed B．trackedC．reflected D．discovered〖解析〗句意：PrinceCharles在他参演的BBC纪录片里面说到“我开始变老。我所想的就是种树”。filmed拍摄；tracked追踪；reflected反射；discovered发现。根据documentary(纪录片)可知选filmed。故选A。5．A.holy B．youngC．mature D．mysterious〖解析〗句意：这有成熟美丽的大树。holy神圣的；young年轻的；mature成熟的；mysterious神秘的。空格后面一句写到这些树被种或者自己成长在几年以前或者是几个世纪前，因而推测出我们村庄的这些树是成熟的(mature)，故选C。6．A.raise B．watchC．ignore D．abuse〖解析〗句意：我们认为这些树是理所当然的，忽视了生活在其中的其他生物，忽视了树给我们带来的净化空气等等的好处，砍下树木另作他用。raise上升；watch看；ignore忽略；abuse滥用。空格后有ignorance，所以这里选择ignore。故选C。7．A.honor B．goodC．credit D．justice〖解析〗句意：忽视了树给我们带来的净化空气等等的好处，砍下树木另作他用。honor荣誉；good好处；credit信用；justice正义。空格后有cleantheair(净化空气)等好处，所以选择good赞扬树木。故选B。8．A.use B．spiritC．life D．hope〖解析〗句意：忽视了生活在其中的其他生物，忽视了树给我们带来的净化空气等等的好处砍下树木另作他用。use用途；spirit精神；life生活；hope希望。人们忽视树木的好处，为了新的用途而砍树，故选A。9．A.trust B．sadnessC．betrayal D．affection〖解析〗句意：我们对树木有喜爱之情。trust信任；sadness悲伤；betrayal背叛；affection喜爱。根据上文yet表示转折，上文写我们忽视了树木给我们带来的好处，砍伐他们，然而我们内心对树木还是有喜爱之情的。故选D。10．A.approval B．oppositionC．option D．dilemma〖解析〗句意：这可以解释政府在2010年试图卖掉公有树木时遭遇了反对，因为获得了广泛的支持。approval支持；opposition反对；option选择；dilemma困境。WoodlandTrust(树木保护组织)获胜了。上文是公众喜爱树木，所以应该是反对政府卖树的。故选B。11．A.wins B．rejectsC．requires D．withdraws〖解析〗句意：树木保护组织赢了。wins赢；rejects拒绝；requires要求；withdraws撤退。因为获得了widesupport，所以WoodlandTrust(树木保护组织)赢了。故选A。12．A.space B．timeC．company D．nutrition〖解析〗句意：树木生长需要空间。space空间；time时间；company公司；nutrition营养。我在1999年买下萨默塞特林地的原因是树木需要空间。故选A。13．A.since B．forC．yet D．so〖解析〗句意：当时，气候变化已经得到了很好的证明，所以我种植长寿橡树和松树的希望逐渐变成了焦虑。前后是因果关系。故选D。14．A.benefits B．chancesC．location D．appearance〖解析〗句意：当时，气候变化已经得到了很好的证明，所以我种植长寿橡树和松树的希望逐渐变成了焦虑。benefits益处；chances机会；location位置；appearance外表。气候变化已被证实，所以我对树木是否有生长机会的忧虑。故选B。15．A.pilingup B．speedingupC．keepingup D．mixingup〖解析〗句意：狂风、干旱、洪水共同抵抗他们。pilingup堆积；speedingup加速；keepingup保持；mixingup混合。这里讲到影响树木生长的阻碍。故选A。16．A.wish B．intendC．allow D．expect〖解析〗句意：但是我没预料到事态发展地如此之快。wish祈求；intend打算；allow允许；expect期待；预料。因为林地目前很好，但新树苗在疯长。故选D。17．A.inplace B．inorderC．indecline D．inquestion〖解析〗句意：生物的数量在减少。inplace适当的；inorder整齐；indecline下降；inquestion考虑中的。上文提到树木在疯长，用but转折可知creatures的数量应该在减少(indecline)。故选C。18．A.even B．stillC．ever D．once〖解析〗句意：蜜蜂和蝴蝶仍然有，但是数量减少了。根据减少得知前面是虽然仍然存在。故选B。19．A.shortof B．sickofC．freeof D．fullof〖解析〗句意：我们如何让这片土地上的生物摆脱杀虫剂呢？shortof缺乏；sickof厌恶；freeof摆脱；fullof充满。杀虫剂阻碍生物生长，要摆脱它们。故选C。20．A.glory B．functionC．impact D．balance〖解析〗句意：我们要给自然机会去维持自身的均衡。glory荣誉；function功能；impact影响；balance平衡。我们要给自然机会去维持自身的均衡，和最后一句restoremybalance呼应。故选D。Ⅱ.阅读理解(2021·河南省九师联盟质检)AsspringadvancesacrosstheMidwest,anewstudylookingatblooming(盛开的)flowerssuggestsnon-nativeplantsmightlivelongerthannativeplantsduetoclimatechange.Thestudy—ledbyresearchersatIndianaUniversityandMichiganStateUniversity—hasshownwarmingtemperaturesaffectnativeandnon-nativefloweringplantsdifferently,whichcouldchangethelookoflocalplaceovertime.“Whenaplantflowersdetermineswhetheritwillbepollinated(授粉)bybeesorotherinsectsandhowmuchtimeitwillhavetoproduceseeds.Ourdatamakesmeworrythatwewillhaveaveryweedyworldinourfuture,”saidthestudy'sleadauthorJenLau,anassociateprofessorinIndianaUniversity.Theresearchers'findingssuggestnon-nativeplantsmaybebetteratshiftingtheirfloweringtimecomparedtonativeplants.Thesedifferencesarethoughttoinfluenceaplant'ssuccessbothnowandinfuturewarmerenvironments.Lauandherstudentssimulated(模拟)globalwarminginfieldsplantedwith45nativeandnon-nativeplants.Someareaswerewarmedbyinfrared(红外线的)heaters,whileotherareaswerenot.Lau'slabsurveyedallplantstodeterminewhentheyfirstfloweredandhowlongtheyflowered.WhenplantsweregrowninwarmedplotssimulatingtheclimatechangeexpectedintheMidwestbytheendofthecentury,theresearchersfoundthatnon-nativeplantsfloweredmorethan11daysearlieronaverage.Incontrast,nativeplantsdidn'tchangefloweringtimesatallwhenwarmed.Theyalsofoundearlier-floweringnon-nativeplantshadgreatergeographicspread,suggestingthatfloweringearliermayhelppromotesuccessfuloccupationacrosslargeareas.Thefindingssuggestimportantdifferencesinhownativeandnon-nativeplantsrespondtoclimatechange.文章大意：本文是一篇科普说明文。一项新的研究发现，本土植物比非本土植物更易受气候变化的影响。1．Whatdoesthenewstudyfindaboutnativeplantscomparedwithnon-natives？DA．Theymayhavealongerlifecycle.B．Theyarelikelytohavemoreflowers.C．Theyaremoreadaptabletoclimatechange.D．Theymaybeatgreaterriskfromclimatechange.〖解析〗细节理解题。根据第一段“...anewstudylookingatblooming(盛开的)flowerssuggestsnon-nativeplantsmightlivelongerthannativeplantsduetoclimatechange.”可知，跟非本土植物相比，气候变化给本土植物带来的危险更大。2．WhatdoJenLau'swordsinparagraph2suggest？CA．She'squitesurethataweedyworldiswaitingforus.B．Plantsmaylosetheabilitytoflowerinthefuture.C．Thetimingofaplant'sfloweringiskeytoitslifecycle.D．Aplant'sfloweringtimealmosthasnoeffectonitspollination.〖解析〗推理判断题。根据第二段“‘Whenaplantflowersdetermineswhetheritwillbepollinated(授粉)bybeesorotherinsectsandhowmuchtimeitwillhavetoproduceseeds.’”可知，植物的开花时间决定了它是否会被蜜蜂授粉以及它将有多少时间来产生种子。由此可推断，植物的开花时间是它生命周期的关键。3．Whatdoestheunderlinedword“shifting”inparagraph3probablymean？AA．Changing. B．Postponing.C．Arranging. D．Predicting.〖解析〗词义猜测题。画线词所在句子句意表示“研究人员的发现表明非本土植物可能比本土植物更擅长它们的开花时间”，再根据第五段“...theresearchersfoundthatnon-nativeplantsfloweredmorethan11daysearlieronaverage.Incontrast,nativeplantsdidn'tchangefloweringtimesatallwhenwarmed.”可推断，画线词义为“改变”。4．Whatisparagraph4mainlyabout？BA．Howglobalwarmingaffectedplantspecies.B．Howtheresearcherstestedtheirsupposition.C．Howtokeepthewarmthoftheplantedfields.D．Howtodeterminethefloweringtimesofplants.〖解析〗段落大意题。根据第三段“Thesedifferencesarethoughttoinfluenceaplant'ssuccessbothnowandinfuturewarmerenvironments.”及第四段中提到“模拟全球变暖”和“用红外线加热器”等可推断，第四段主要讲述的是研究人员是如何测试他们的假设的。Ⅲ.阅读七选五(2021·四川省天府名校联考)Isourplanetheatingup?Arehumanbeingstoblameforclimatechange?1.GThediscussiononthissubjecthasbeenheated,butwhatarescientistsactuallysaying?AtReader'sDigest,wedecidedtofinditout.2.BYes,ithas,andevenwarmer.Greenlandwasforestedbetween450,000and800,000yearsago,sotemperatureswereconsiderablywarmerthen.Therehavealsobeenothertimesofrelativelyhightemperatures.Sowhydoestheconcernexist?It'sallaboutthespeedatwhichtemperaturesarechanging.3.EButinthe20thand21stcenturies,especiallysince1976,temperatureshaveprobablyrisenmorequicklythanduringanycenturyinthepast1,000years.WarmingmaybringimprovedcropproductionandotherbenefitstonortherncountriessuchasCanadaorRussia.However,manyspeciesmaynotadapttotheseconditions,andtheonethatisabletomaycauseaproblem.4.FTheWestNilevirus,firstseeninNorthAmericanineyearsago,infectedabout4,000peopleintheUSin2006.Themountainpinebeetle,whichisactiveduringwarmerwinters,hasalreadydestroyedabout13millionhectaresofCanada'sforests,worthanestimated$6.4billion.Whatiscausingthewarming?IPCChasconcludedthathumanactivityisverylikelyresponsible,byincreasingtheconcentrationsofgreenhousegasesandthusthegreenhouseeffect.5.ATheyarguethehumancontributionisnothing.A．Somescientists,however,stilldisagree.B．Hastheplaneteverbeenthiswarmbefore?C．Hashumanbehaviormadetheplanetwarm?D．Temperatureshavebeenchangingallthetime.E．Inthepast,temperaturesmovedupordowngradually.F．Mosquitoeshavebeenmovingnorthwardstohigherplaces.G．Thesequestionshaveburstintonewspapers,filmsandpopularbooks.文章大意：本