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分层跟踪检测(二)A级必备知识基础练Ⅰ.单句填空1.Bearinmindthatsmilingisapparentlya(universe)signoffriendlinessandapproval.2.Itis(crucial)importantthatwearereadyforthistime.3.Whenhe(orbit)inthecapsule,hetookphotographsofourplanet.4.The(astronomy)isdelightedthatChinahasmadegreatachievementsinthefieldofastronomy.5.Thetelevisionprogramisdesignedtoeducateandnot(mere)toentertain.6.Theadvantagesareplain(see),soyoudon'tneedtohesitate.7.People'shealthisthe(found)ofacivilization'sprogressandanimportantindicatorofanation'sprosperity.8.Welikered,becauseredstandsforhappinessandgoodfortuneinourculture.9.amazedmewasthathearrangedforacartopickmeupattheairport.10.Itissuggestedthatthisexperiment(do)atlowtemperature.Ⅱ.用适当的连接词填空1.Thankstotheimprovementoftechnology,wemakefriendsandcommunicatewiththemhaschangedsignificantly.2.thecollegewilltakeinmorenewstudentsthisyearistrue.3.Itisapityyourparentsdidn'tpermityoutogohiking.4.mattersmostiswhetheryouarewillingtolearnandtostudyhard.5.thesemethodsareefficientremainstobeseen.6.Accordingtothegamerules,firstscores100pointswinsthetrophy.7.ItwasamazingquicklyIcouldgetthere—justhalfanhour.8.isreportedinthenewspaperisthatseventeenclimbershavebeenkilledinthesnowstorm.Ⅲ.完成句子1.我的确知道有时候我需要把自己从网络世界中拉出来。Ineedtodragmyselfawayfromtheonlineworldsometimes.2.其他行星上是否存在生命尚不清楚。isnotclear.3.袁隆平最让人印象深刻的是他实现梦想的能力。aboutYuanLongpingishisabilitytofulfillhisdreams.4.英语已成为一门全球语言,这是很清楚的。isquiteclear.5.有人建议这项工作应该被极为谨慎地完成。withgreatcare.B级能力素养提升练Ⅳ.阅读理解[2022·广东汕头潮阳期末]Doyouthinkalienbeingsexistsomewhereintheuniverse?ItseemslikeMars,ourclosestneighbor,hasinspiredthemostsciencefictionastheplacewherealiensaremostlikelytocomefrom.RecentMarsprobes(探测器)haveshownusthatthereisnolifeonthatplanet—atleastnotnow.Butthatdoesnotmeanthatlifedoesnotexistelsewhere—afterall,theuniverseisreallybig.Alotofscientificresearchisgoingoninthesearchfor“extraterrestriallife”.Thinkaboutit—whyshouldthesevenbillionpeopleonthislittleplanetbetheonlylivingbeingsintheuniverse?Itwould,infact,seemlogicalthatthisisnotthecase.Soscientificresearchinthismatterisbasedaroundtheideaoffindingotherplanetsthathaveenvironmentsthatcansupportlife—environmentssimilartotheEarth.Thesearchisonfortheevidenceoftheexistence,orearlierexistenceoflife:fromverywisebeingstosimpleorganisms(有机物).Sofar,therehavebeenanumberoftheoriesastowhichplanetarybodiesmayhaveanatmospherethatcansupportsuchlifeandthereforedeservecloserattention.AsforplaceswithinourownMilkyWayGalaxy,ithasbeenassumedoverthedecadesthatMarsandVenus,aswellassomeofthemoonsofJupiterandSaturn,mayhavebeenhostsforlife.Now,astechnologieshaveimprovedandwecanobtainmeasurementsofthecompositionoftheatmosphereonextra-solarplanets,thechancesoffinding“alien”lifeformsareincreasing.TherehasbeenatheorythatsomeoftheplanetsinthehabitablezoneofthereddwarfstarGliese581maybeabletosupportlife.In2007,scientistsdiscoveredexoplanetGliese581c—andfeltthatitsatmospherewasmostsuitableforsupportinglife.Butfurtherresearchrevealedthatitwouldnot.Now,attentionhasbeenturnedtoGliese581d,attheouteredgeofthestar'shabitablezone.Themainstandardsfordecidingwhetheraplanetarybodycanbelife-supportingareatmosphericconditionswhichallowtheexistenceofwater.Gliese581isabout20.4lightyearsawayfromtheEarth,soeveniflifedoesexistthere,thedistancewouldmeanthatcommunicationwouldbeunlikely.Havingsaidthis—whosaysalienlifeforms(iftheyexist)needwater?1.WhatdoestheunderlinedpartinParagraph1mean?A.LifeexistingoutsideoftheEarth. B.Theevidenceoftheexistenceoflife.C.Otherfarawayplanetsintheuniverse. D.Creaturesknownfromsciencefiction.2.Whatmakesitpossibleforpeopletofindaliens?A.Modernscientifictheories. B.Atmosphericconditions.C.EnvironmentssimilartotheEarth. D.Advancedtechnologies.3.Fromthepassage,weknowthat.A.theatmosphereofGliese581cwasmostsuitableforlifeB.itisnotcertainwhetheralienlifeformsneedwaterornotC.the7billionpeopleontheEartharetheonlybeingsintheuniverseD.thedistanceof20.4lightyearsmakesitimpossibletofindlifeonGliese581d4.Whichofthefollowingisthebesttitleforthepassage?A.DoAliensExist? B.IsMarsSuitableforLife?C.AreAlienLifeFormsVarious? D.CanWeCommunicatewithAliens?Ⅴ.语法填空[2020·全国Ⅰ卷]Chinahasbecomethefirstcountrytolandaspacecraftonthefarsideofthemoon.TheunmannedChang'e-4probe(探测器)—thenamewasinspiredbyanancientChinesemoongoddess—1.(touch)downlastweekintheSouthPole-Aitkenbasin.Landingonthemoon'sfarsideis2.(extreme)challenging.Becausethemoon'sbodyblocksdirectradiocommunicationwithaprobe,Chinafirsthadtoputasatelliteinorbitabovethemooninaspot3.itcouldsendsignalstothespacecraftandtoEarth.Thefarsideofthemoonisofparticular4.(interesting)toscientistsbecauseithasalotofdeepcraters(环形山),moreso5.thefamiliarnearside.ChineseresearchershopetousetheinstrumentsonboardChang'e-46.(find)andstudyareasoftheSouthPole-Aitkenbasin.“Thisreallyexcitesscientists,”CarlePieters,ascientistatBrownUniversity,says,“becauseit7.(mean)wehavethechancetoobtaininformationabouthowthemoon8.(construct).”Dataaboutthemoon'scomposition,suchashow9.iceandothertreasuresitcontains,couldhelpChinadecidewhether10.(it)plansforafuturelunar(月球的)basearepractical.Ⅵ.完形填空Bend,asmalltowninOregon,iscalled“mooncountry”.Beforetheastronautsever1ittothemoon,theytrainedinBend.WhenJimIrwincametoBendfor2,hemadefriendswithFloydWatson,a(n)3resident,whowasthebuildinginspectorforthecity.Fiveyearslater,Irwinwas4fortheApollo15moonlanding.WhenthenewsthathisoldfriendwouldgotothemooncametoWatson's5,hechoseapieceoflavarock(火山岩)nearDevil'sLake,6itinpaper.ThenhepostedittoIrwinwithaletterwherehe7himandmadearequest,“Iamsendingyoua8pieceofCentralOregonlava,whichIhopeyouwillbeableto9tothemoonforme.”Offwenttheletter,andWatsonthought10ofit.Afewmonthslater,onJuly26th,1971,Irwin11tothemoonwithDavidScottandAlfredWorden.Andafewweeksaftertheir12,WatsongotanunexpectedletterfromIrwin.“Ididcarryyourpieceoflavatothemoonandleftitthere,”Irwinwrote—andenclosed(附上)a13ofit,withthesmallpieceofOregonlava14withanarrowandthewords“Oregonlavaonthemoon!”ForWatson,theletterandthepicturewere15.And,ofcourse,heneverlookedatthemoonthesamewayagain.1.A.did B.made C.took D.grasped2.A.adventure B.research C.amusement D.practice3.A.local B.aggressive C.gifted D.academic4.A.carriedout B.pickedout C.ruledout D.checkedout5.A.sense B.rescue C.knowledge D.assistance6.A.enveloped B.measured C.designed D.transformed7.A.thanked B.welcomed C.congratulated D.followed8.A.huge B.valuable C.unique D.tiny9.A.fly B.deliver C.orbit D.float10.A.much B.highly C.little D.low11.A.escaped B.rushed C.wandered D.journeyed12.A.arrival B.return C.application D.campaign13.A.postcard B.drawing C.photo D.note14.A.equipped B.decorated C.covered D.marked15.A.reliable B.precious C.permanent D.realistic分层跟踪检测(二)A级必备知识基础练Ⅰ.单句填空1.universal2.crucially3.wasorbiting4.astronomer5.merely6.tosee7.foundation8.do9.What10.(should)bedoneⅡ.用适当的连接词填空1.how2.That3.that4.What5.Whether6.whoever7.how8.WhatⅢ.完成句子1.Idoknow2.Whetherlifeexistsonotherplanets3.Whatimpressespeoplemost4.ThatEnglishhasbecomeagloballanguage5.ItissuggestedthattheworkshouldbedoneB级能力素养提升练Ⅳ.阅读理解1.A[解析]词义猜测题。根据第一段可知,尽管火星探测器显示火星上没有生命,至少现在没有,但这并不意味着其他地方没有生命的存在。由此可知,画线词所在的句子意思为“许多科学研究还在继续寻找地外生命”。由此可推断,extraterrestriallife意为“存在于地球之外的生命”。故选A项。2.D[解析]细节理解题。根据第三段最后一句可知,科学技术的进步让人们发现“外星生命体”成为可能。故选D项。3.B[解析]细节理解题。根据文章最后一段可知,作者对外星生命体是否一定需要有水才能生存提出疑问,也就是说外星生命体是否需要水还不确定。故选B项。4.A[解析]标题归纳题。文章首句提出问题“Doyouthinkalienbeingsexistsomewhereintheuniverse?”;根据第三段第一句可知,关于哪些行星体可能有能够支持生命的大气,已经有了许多理论;根据第四段第一句可知,有一种理论认为,红矮星Gliese581的宜居带中的一些行星可能适合生命存在。因此,文章是讲述科学家们对哪些星体可能有生命的存在的不断探索。故本文的标题应为“外星人存在吗?”。故选A项。【语篇导读】本文是一篇说明文。文章讲述了科学家们在不断寻找和探索外星球上是否有类似于地球的环境,可以支持生命的存在。Ⅴ.语法填空1.touched[解析]考查动词的时态。分析句子成分可知,主语为TheunmannedChang'e-4probe,设空处为谓语动词,根据空后的lastweek可知,此处应用一般过去时。2.extremely[解析]考查副词。此处修饰形容词challenging,应用副词形式。3.where[解析]考查定语从句。先行词是一个表示地点的名词spot,并且引导词在从句中充当地点状语,故用关系副词where。4.interest[解析]考查名词。“be+of+抽象名词”为固定搭配。5.than[解析]考查连词。前面的more是提示,构成比较结构。6.tofind[解析]考查非谓语动词。分析句子成分可知,这里用不定式短语作目的状语。7.means[解析]考查动词的时态和主谓一致。根据上文的时态可知此处应用一般现在时,这里用it作主语,故用mean的第三人称单数形式。8.isconstructed[解析]考查动词的时态和语态以及主谓一致。根据语境可知,时态为一般现在时。分析句子结构可知,themoon与动词construct之间是逻辑上的动宾关系,故用一般现在时的被动语态。themoon是第三人称单数形式,故填isconstructed。9.much[解析]考查形容词。设空处后面的ice是不可数名词,故用much修饰。10.its[解析]考查代词。由后面的名词plans可知,此处应使用形容词性物主代词its。【语篇导读】本文是一篇说明文。文章介绍了嫦娥四号无人探测器在月球背面成功着陆,彰显了中国成为第一个使探测器在月球背面着陆的国家的民族自豪感。Ⅵ.完形填空1.B[解析]固定短语makeit意为“获得成功”。故选B项。2.D[解析]根据上文中的“Beforetheastronautseverittothemoon,theytrainedinBend.”以及下文中的“IrwinwasfortheApollo15moonlanding”可知,JimIrwin是一名宇航员,来到Bend接受登月训练。故选D项。3.A[解析]根据下文中的“whowasthebuildinginspectorforthecity”可推断,FloydWatson应该是当地居民。故选A项。4.B[解析]根据下文中的“When
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