学高中英语 unit 4 Astronomy：the science of the stars综合技能训练 新人教版必修3

【成才之路】-学年高中英语unit4Astronomy：thescienceofthestars综合技能训练新人教版必修3时间：90分钟，满分：100分Ⅰ.单项填空(共15小题；每小题1分，满分15分)从A、B、C和D四个选项中选出可以填入空白处的最佳选项。1．Becauseofthedryweather,fires________inmanyplacesrecently.A．havebrokenaway B．havebrokendownC．havebrokenout D．havebrokenin答案：C句意：由于天气干燥，近来很多地方发生了火灾。breakaway“逃走；逃脱”；breakdown“破坏；拆散”；breakout“战争，火灾等突然爆发”；breakin“闯入；强行进入”。结合句意选C。2．________madehersurprisedwas________shereceivedabunchofflowersfornogoodreasonyesterday.A．That;how B．What;thatC．What;what D．That;that答案：B句意：让她吃惊的是昨天她莫名其妙地收到了一束花。what引导主语从句，并在从句中充当主语；that引导表语从句，在从句中并不充当成分。3．Afterwaterwhichis________tolifeappearedontheearth,lifebegantodevelop.A．interesting B．funnyC．fundamental D．fond答案：C句意：生命存在的基本要素——水，在地球上出现之后，生命开始发展。befundamentalto对……是基本的。4．Once,there,inthesmallvillage,________abigtreedatingbackto100yearsago.Butnowithasgone.A．happened B．cameC．seemed D．stood答案：D句意：在这个小村庄里曾经有一棵一百多年的大树。但是现在不见了。happen“发生”；come“来”；seem似乎；stand“站，矗立”。5．(·西安高一检测)—Whynotbuythecarsinceyoushowsomuchinterestinit?—ButIamnotabletobuy________.A．soabigcar B．suchbigacarC．sobigacar D．suchbigcar答案：C句意：——既然你对这辆车那么感兴趣，为什么不买？——可是我买不起这么大的车。so＋adj.＋a(n)＋n.＝such＋a(n)＋adj.＋n.。故选C。6．Ifwedon'tfollowhisadvice,I'msurewewillregret______.A．ontime B．attimesC．fromtimetotime D．intime答案：D句意：如果我们不采纳他的建议，我确信我们迟早会后悔的。ontime按时；attimes时而，不时；fromtimetotime有时，不时地；intime迟早，总有一天。7．Itiswidelyacceptedthatsmokingis________toourhealth.A．harmful B．harmlessC．useful D．helpful答案：A句意：吸烟有害于健康已被广泛接受。beharmfulto对……有害。harmless无害的；useful有用的；helpful有帮助的。8．(·杭州高一检测)—Doyouknowthereasonwhyhisparents________himjoininguslastnight?—Ihavenoidea.A．kept B．preventedC．protected D．promised答案：B句意：——你知道昨晚他父母为什么不让他加入我们吗？——我不知道。keepsbfromdoingsth结构中from不可省。protect保护；promise答应，而preventsb(from)doingsth阻止某人做某事，符合题意。9．Thebraveman________hisclothesandjumpedintotherivertosavethedrowningboy.A．pulledon B．pulledawayC．pulledin D．pulledoff答案：D句意：那位勇士(匆忙)脱下衣服，跳进河里救那个落水男孩。pulloff“脱掉(衣、帽等)”，符合句意；pullon“穿上(袜子)，戴上(手套)”；pullaway“离开，摆脱”；pullin“(慢慢)驶入”。10．Tryand________abit;lifeisn'tthatbad!A．cheerup B．comeupC．lookup D．putup答案：A句意：试着高兴点儿吧，生活并不是那么糟！cheerup“感到高兴；感到振奋”，符合题意。comeup“走近；发芽”；lookup“向上看；查询；好转”；putup“举起；建造”。11．Thehouserentisexpensive.I'vegotabouthalfthespaceIhadathomeandI'mpaying________asthere.A．asthreetimesmuch B．asmuchthreetimesC．muchasthreetimes D．threetimesasmuch答案：D因句中空格后有连词as，其前必定用原级。根据“倍数＋as＋adj./adv.＋as”结构，可知D项正确。12．________earthquakeshavehappenedoneafteranotherinrecentyears,whichhavecausedgreatdamage.A．Violent B．LightC．Rude D．Heavy答案：A句意：最近几年，剧烈的地震一个接一个地发生，造成了严重损害。violent猛烈的，狂暴的，剧烈的；light轻的；rude粗暴的；heavy重的。结合句意选A。13．(·福州高一检测)________youwanttoworkinaforeigncountry,you'dbetterimproveyouroralEnglish.A．Sothat B．NowthatC．Suchthat D．Inorderthat答案：B句意：既然你想去国外工作，你最好提高你的英语口语。sothat因此；nowthat既然；inorderthat为了……，结合句意选B。14．Inordertostopthedriverescapingpunishment,allthemainstreetswere________.A．blockedoff B．blockedoutC．blockedup D．blownup答案：A句意：为了阻止司机逃脱惩罚，所有的主路都被封锁了。blockoff(用路障)封锁；blockout挡住(光线)；blockup塞住；blowup爆炸。结合句意选A。15．Whilecrossingthestreet,youshould________forcars.A．watchout B．takeoutC．bringout D．comeout答案：A句意：过马路时，要留心车。watchout“密切注视；当心；提防”，符合句意。takeout“拿出；取出”；bringout“使显示；出版；生产”；comeout“出来；长出”。Ⅱ.完形填空(共20小题；每小题1分，满分20分)阅读下面短文，理解大意，从题中所给的A、B、C、D四个选项中选出一个最佳答案。Marsisnot,itseems,thedryoldplanetweoncebelieved__16__.Astronautswhoare__17__togothereinthenextdecademayfindplenty__18__watertoslake(消除)theirthirst.Andwithwaterpresentthe__19__offindingsomesortoflifeonMarsare__20__brighter.Thisistheviewoffortygeologistswhohavebeenanalyzing__21__ofpicturesandotherscientific__22__obtainedbyrobotexplorersinthesixtiesandseventies.Tobeginwith,scientiststhoughttheRedplanetwasas__23__astheMoon__24__duststormsswirlingovervastsandy__25__.Butnowthepictureisverydifferent__26__mountainsandvalleyscarvedby__27__glaciersandriversrushingandrumblingdeepunderground.InareportontheanalysisoftheMartianpicturesDr.MichaelCaroftheU．S.GeologicalSurveycomments:“Iamconvinced__28__lotsofwateronMars.”Anysurfacewaterwillbeinthe__29__ofice.Butitcouldsaveexplorersfrom__30__totakesomuch__31__withthem.Thereportsays__32__Marsprobablyhadawarmerclimateinages__33__duetoitsaxis(轴)havingbeenmoretilted(倾斜)towardsthesun.__34__signsofplantoranimallifehavebeendetectedbyinstrumentslandedonMars，__35__thelandingvehicleshavebeensentthereforafewyears.16．A.itis B．itC．ittobe D．was答案：C根据新的资料显示，火星似乎并不像我们过去认为的那么干燥。it代替前面的专有名词Mars;tobe为不定式的省略式，其后面省略了dry。不定式的省略式通常省略to后面的成分，但后面为tobe结构时，就要保留be而省略其后面的成分。17．A.expected B．hoped C．required D．sent答案：Aexpectsomebodytodosomething表示“期待某人做某事”。这里用其被动语态形式：beexpectedtodosth。表示“某人被期待做某事”。18．A.to B．of C．more D．in答案：B此句的“plentyof＝alotof”为固定词组，意思是“大量；许多；充足”。19．A.chances B．openings C．occasions D．possibility答案：A本句的意思是“由于水的发现，在火星上面找到某种生命形式的机会就变得更加明朗了”。20．A.quite B．very C．much D．more答案：C此处的much用来修饰比较级，其它选项都不能修饰比较级，但quitebetter除外。21．A.afew B．many C．thousand D．thousands答案：Dthousandsof用复数形式表示不确定的数字，此处意思是“数以千计的”，后接复数名词；afewof后接“限定词＋复数名词”，意思是“某(固定)范围内的一些”；manyof后接“限定词＋复数名词”，意思是“某(固定范围)内的许多”。22．A.skills B．news C．intelligence D．information答案：D指的是“在六七十年代探测器获得的其他科学信息(information)”。23．A.peaceful B．quiet C．lifeless D．dead答案：C此句的意思是“刚开始的时候，科学家认为这颗红色的行星象月球一样没有生命(lifeless)”。24．A.of B．with C．for D．through答案：B此处为“with＋名词/代词＋不定式、分词、形容词、副词、介词短语等”构成的复合结构作状语。25．A.deserts B．mountains C．rivers D．seas答案：A此句意思是“沙暴(duststorms)在广袤的沙漠(deserts)上旋转”。26．A.from B．between C．for D．with答案：D注意此题的关键是要搞清它不是bedifferentfrom结构，因为此结构后的名词前要用限定词，而该空后面的名词前无限定词，故可排除。此空与第24空一样，为“with复合结构”作状语。27．A.energetic B．great C．heavy D．powerful答案：D这里用powerful形容冰河对山谷冲刷的威力巨大。28．A.there's B．there're C．here's D．here're答案：A此句用的是“therebe”结构，其后面的名词water(即主语)为不可数名词，故谓语动词be用单数形式。29．A.appearance B．way C．form D．shape答案：C词组intheformof的意思是“以……形式”。此句意思是“任何表面上的水将以冰的形式存在。”30．A.have B．having C．carry D．carrying答案：Bfrom为介词，后面接动词的­ing形式，故可排除A和C两个选项；本空为haveto结构，意思是“必须；不得不”，所以其后接动词原形。31．A.water B．ice C．equipment D．oxygen答案：A此句的意思是“水的存在使探险者们不用随身携带大量的水。”32．A.what B．if C．how D．that答案：D此句意思是“报告说由于火星的轴在过去的岁月中更倾斜于太阳，那时火星的天气，可能比现在暖和”。此处that引导一个宾语从句，其本身在宾语从句中不充当任何成分，也没有任何词汇意义，仅起连接的作用。33．A.pass B．past C．ago D．before答案：B“inagespast”表示“在过去的岁月中”。34．A.Not B．No C．Nor D．Never答案：Bno为形容词，等于“nota/notany”，表示“没有”，后接名词；而not的后面一般接动词、形容词或从句等成分。35．A.probably B．perhaps C．supposed D．although答案：Dalthough引导让步状语从句，表示“尽管……，但是……。”Ⅲ.阅读理解(共20小题；每小题2分，满分40分)阅读下面的短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项。AInJuly1994Jupiter,thelargestplanetinoursolarsystem,wasstruckby21piecesofacomet(彗星).Whenthefragments(碎片)landedinthesouthernpartofthegrandplanet,theexplosionswerewatchedbyscientistshereonearth.Butwhatifourownplanetwashitbyacomet?Theyearis2094.Ithadbeenannouncedthatacometisheadingtowardstheearth.Mostofitwillmissourplanet,buttwofragmentswillprobablyhitthesouthernpartoftheearth.Thenewshascausedpanic.On17July,afragmentfourkilometerswideenterstheEarth'satmospherewithahugeexplosion.Abouthalfofthefragmentisdestroyed.ButthemajorpartsurvivesandhitstheSouthAtlanticat200timesthespendofsound.Theseaboilsandanenormouswaveiscreatedandspreads.ThewallofwaterrushestowardssouthernAfricaat800kilometresanhour.CitiesontheAfricancoastaretotallydestroyedandmillionofpeoplearedrowned.ThewavemovesintotheIndianOceanandheadstowardsAsia.Millionsofpeoplearealreadydeadinthesouthernpartoftheearth,butthenorthwon'tescapeforlong.Tonsofbrokenpiecesarethrownintotheatmospherebytheexplosion.Asthesunishiddenbycloudsofdust,temperaturesaroundtheworldfalltoalmostzero.Cropsareruined.Warsbreakoutascountriesfightforfood.Ayearlatercivilizationhascollapsed.Nomorethan10millionpeoplehavesurvived.Coulditreallyhappen?Ithasalreadyhappenedmorethanonceinthehistoryoftheearth.ThedinosaurwereontheEarthforover160millionyears.Then65millionyearsagotheysuddenlydisappeared.ManyscientistsbelievethattheEarthwashitbyaspacefragment.Thedinosaurscouldn'tsurviveinthecoldclimatethatfollowedandtheybecameextinct.Willwemeetthesameend?36．WhichofthefollowingisNOTtrueaccordingtotheauthor'sdescriptionofthedisasterin2094?A．Thewholeworldbecomesextremelycold.B．AllthecoastalcitiesinAfricaaredestroyed.C．Thewholemankindbecomesextinct.D．Thevisitofthecometresultsinwars.答案：C辨别正误题。据第三自然段的描述可知，A、B、D均符合本文所假想的事实，只有C不符。文中“Nomorethan10millionpeoplehavesurvived”一句意为“只有一千万人幸存下来”，而C项说全人类都灭绝了。显然与文章不符。题干要求找出不对的选项。37．Whydoestheauthormentiondinosaursattheendofthepassage?A．Becausetheycouldonlyliveinthewarmclimate.B．Becausetheyoncedominatedtheearth.C．Becausetheirextinctionindicatesfuturedisasters.D．Becausedinosaursandhumansneverliveinthesameage.答案：C推理判断题。第三段中，作者描述假想的人类灾难……最后一段提到生活在地球上的恐龙在65millionyearsago突然消失(即灭绝)，许多科学家相信地球曾受到过外空星体碎片的袭击，故而导致恐龙绝种。由此暗示人类未来的灾难。38．Inwritingthepassage,theauthorintendsto________.A．giveanaccuratedescriptionofthepossibledisasterinthefutureB．provethathumanswillsoonerorlaterbedestroyedC．tellthehistoricaldevelopmentoftheearthD．warnofapossibledisasterinthefuture答案：D观点态度题。本题要求考生推测作者意图。作者通过一段幻想的灾难和一段地球历史上出现过的恐龙绝迹的事实以及科学家们分析恐龙绝迹的原因，来警示人类未来可能发生的灾难。39．Itcanbeconcludedthatthepassageismostprobablypartofa(n)________．A．horrorstoryB．newsreportC．researchpaperD．articleofpopularscience答案：D推理判断题。据全文大意，又据文章的性质，可判定D为最佳选项。A、B、C均不太妥当。B(·山西省大同高一下学期期中)Satellitesareanimportantpartofourordinarylives.Forexample,theinformationforweatherforecastsissentbysatellite.SomesatelliteshavecameraswhichtakephotographsoftheEarthtoshowhowcloudsaremoving.Satellitesarealsousedtoconnectourinternationalphonecalls.ComputerconnectionsoftheWorldWideWebandInternetalsousesatellites.ManyofourTVprogramscometousthroughsatellites.Airplanepilotsalsosometimesuseasatellitetohelpthemfindtheirexactlocation.Weusesatellitestosendtelevisionpicturesfromonepartoftheworldtoanother.Theyareusually35,880kilometersabovetheequator.Sometimeswecanseeasatelliteintheskyanditseemstostayinthesameplace.Thisisbecauseitismovingaroundtheworldat11,000kilometersanhour—exactlythesamespeedthattheearthrotates.AsatellitemustorbittheEarthwithitsantennae(天线)facingtheearth.Sometimes,itmovesawayfromitsorbit.Sotherearelittlerocketsonitwhichareusedtoputthesatellitebackintherightposition.Thisusuallyhappensabouteveryfiveorsixdays.Spaceisnotempty!Everyweek,moreandmoresatellitesaresentintospacetoorbittheEarth.Asatelliteusuallyworksforabout10－12years.SatelliteswhicharebrokenaresometimesrepairedbyastronautsorsometimesbroughtbacktoEarthtoberepaired.Often,veryoldorbrokensatellitesareleftinspacetoorbittheEarthforaverylongtime.Thisisveryseriousbecausesomesatellitesusenuclearpowerandtheycancrashintoeachother.40．WhichofthefollowingisNOTdonebysatellitesaccordingtothepassage?A．Sendinginformationforweatherforecast.B．TakingphotographsoftheEarth.C．SendingTVpictures.D．Providingfoodforairplanepilots.答案：D从第一段可知，A、B项的内容都是卫星的功能，从第三段可知，卫星还可以发送电视画面，而D项内容文中并未提及。41．What'sthespeedtheearthrotatesat?A．35,880kilometersperhour.B．335,880kilometersperhour.C．11,000kilometersperhour.D．110,000kilometersperhour.答案：C从第三段的Thisisbecauseitismovingaroundtheworldat11,000kilometersanhour—exactlythesamespeedthattheearthrotates.可知C项为正确答案。42．Whatdoestheunderlinedword“This”inthe3rdparagraphreferto?A．Asatellite.B．Alittlerocket.C．Asatelliteseemstostayinthesameplaceinthesky.D．Thesatelliteputstherocketsintherightposition.答案：C上一句话的意思是：有时候我们看到天空中的卫星好像呆在同一个地方，这是因为……，故本题答案为C。43．Whichistrueofsatellites?A．Asatelliteusuallyworksforabout10－12years.B．Everytimeasatellitegetsbroken,itisbroughtbacktotheEarthtoberepaired.C．Abrokensatelliteisneverleftinspace.D．Theyoftencrashintoeachother.答案：A从最后一段的第三句话可知A项正确。CBrianarrivedattheSanFranciscoairporttwohoursbeforetheflighttoParis.Hewaswearingthreeshirts,ajacket，twopairsofsocks，apairofshorts,andtwopairsofjeans.Hewascarryingonesmallbackpack，whichwasveryfull,buthedidn'thaveanyotherluggage.BrianneededtomeetamannamedTonybeforehecheckedinforhisflight.HefoundTonyneartheAirFrancecounter.Tonygavehimaround­tripticketandasmallpackage.“GivethispackagetoJeanPaulattheairportinParis.Hewillhaveasignwithyournameonit.Ithinkyoucanfindhimeasily，”Tonysaid，“Youdon'thaveanyluggage,right？”“Onlythisbackpack，”Briananswered，“YousaidIcouldbringonecarry­onbag.”“That'sright.Onecarry­onbagisfine.Haveagoodtrip.”“Thanks.”IsBrianacriminal?Notatall.Heisanair­courier.Andhepaidonly$110fortheround­triptickettoParis.Air­couriersgetcheapairlineticketsbecausetheytakeimportantpackagesandpaperstoforeigncountries.Businessessometimesneedtogetpackagesandpaperstopeopleinforeigncountriesbythenextday.Often，theonlywaytheycandothisistouseanaircouriercompany.Itisnotcheapforabusinesstosendapackagewithanair­courier，butitisquick.Everyyearabout80,000peopleworldwidetravelasaircouriers.Thenumberofticketsforcouriertravelisgrowingbyabout10percentayear.However,air­couriertravelisn'tforeveryone.Butifyouhaveverylittlemoney，canbeflexibleaboutyourtravelplans，anddon'tmindwearingthesameclothesforaweek，itcanbeagreatwaytotakeavacation!文章大意：文章主要讲述了利用航空快递的利与弊。44．WhywasBrianwearingsomanyclothesforhistravel?A．Becausetheyweretheuniformsforair­couriers.B．Becausethatmadehimeasiertoberecognized.C．Becausehewouldbechargedfortakingmuchluggagewithhim.D．Becausehewasrequirednottohavemuchluggagewithhim.答案：D细节理解题。由第三段“Onlythisbackpack，”Briananswered,“YousaidIcouldbringonecarry­onbag.”可知，Brian只被允许带一个背包。45．WhowasTony?A．Hemightbeanair­couriercompanyclerk.B．Hemightbeaguardattheairport.C．HemightbeBrian'sfriend.D．Hemightbeacustomsofficial.答案：A细节理解题。根据第一段中“Tonygavehimaround­tripticketandasmallpackage.托尼给了他(Brian)一张往返的机票及一个小包裹”，以及结合下文可知，Tony可能是一位航空快递公司的业务员。46．Businesseschoosetheair­courierservicebecause________.A．itcostsless B．itisflexibleC．itgrowsfast D．itsavestime答案：D细节理解题。从倒数第二段最后一句“Itisnotcheapforabusinesstosendapackagewithanair­courier，butitisquick.用航空快递投递包裹不便宜但是它迅速。”可知选D。47．Air­couriertravelisagoodchoiceforthosewho______.A．havemuchmoneyB．hatewearingthesameclothesC．havemuchpersonalluggageD．areflexibleabouttheirtravelplans答案：D细节理解题。根据最后一段最后两句话可知“航空快递旅行并不是适合每一个人。它主要面向那些钱少，旅行计划比较灵活的游客”，故选D。DThejourneytothemoonhasbeenthefirststeptowardsfutureexplorationinspace.ThedistancebetweentheMoonandEarthisveryshortindeedwhencomparedwiththedistancesbetweenEarthandtheotherplanets.Mars,thenearestplanettoEarthismillionsofmilesaway!Travelingtotheplanetswillbeman'snextaim.Suchtravelswillbemorechallengingthanthetriptothemoonandcertainlymoreadventurous.Recently,twoAmericanspaceships,Vikings1and2,landedonMarstryingtodiscoverwhetherthatplanethasanylifeonit.SofarthesignsoflifeonMarshasneitherconfirmed(确认)norruledout.RussianshavediscoveredthatthesurfaceofVenus(金星)issohotthatitisalmostcertainthatthereisnolifethere.AlsotheatmosphereofVenusisextremelydense(稠)andthepressureisnearlyahundredtimesgreaterthanthatoftheEarth'satmosphere.Scientistsbelievemanmayfindplanetswhichhavethesameconditionsasthosewehaveonearth,butmanshouldrealizeEarthwillbehisonlyhomeforalongtimeandbegintoloveandcareforit.48．Accordingtothepassage,travelingtotheplanetswillbe________.A．mucheasierandevenmoreinterestingB．farmoreexcitinganddangerousC．man'sfinalaimD．man'sfirststep答案：B细节理解题。由文章第一段告诉我们人类向其他行星探索的行动将比去月球探索更加具有挑战性和冒险性。49．Fromthepassage,wecanguess________.A．thereislifeonMarsB．thereisnolifeonMarsC．TheatmosphereofMarsisnotsodenseasthatofVenusD．scientistswillhavelittlehopetofindtheanswers答案：C推理判断题。由文中第二段第二句告诉我们，火星上是否有生命还不能确认，所以A、B排除。根据文章最后一段第一句可知：科学家相信人类能找到像我们地球上生存条件一样的行星。所以可以排除D。50．Scientiststhinkweshouldtakecareofourearthbecause________.A．nootherplanetsaretotaketheplaceoftheearthB．everythingneededisprovidedbytheearthC．theonlyhomeofmanwillbetheearthforalongtimeD．thedreamtofindanotherhomeformanwillcometrue答案：C细节理解题。最后一段讲明人类必须保护地球。根本原因在于人类在近期内无法找到能够和地球的生存常规交叉相提并论的星球，所以地球在很长时间内依然是人类赖以生存的家园。E(·天津)Lastnight'smeteor(流星)showerleftmanypeopleinthecommunitydissatisfiedanddemandinganswers.AccordingtoGabeRothschild,Emerald“Myfamilywassofrustrated，”admittedtownresidentDuaneCosby,“Wewantedtomakethisanunforgettablefamilyouting,butitturnedouttobeahugedisappointment.”Astronomers—scientistswhostudystarsandplanets—havebeencomplainingaboutthisproblemfordecades.Theysaythatlightpollutionpreventsthemfromseeingobjectsintheskythattheycouldseequiteeasilyinthepast.Theycallonpeopleandthegovernmenttotakemeasurestofightagainstit.Thereisyetapopulationbesidesprofessionalandamateurstarobserversthatsuffersevenmorefromlightpollution.Thispopulationconsistsofbirds,bats,frogs,snakes,etc.Forexample,outdoorlightingseverelyaffectsmigrating(迁徙的)birds.AccordingtotheInternationalDark­SkyAssociation.“100millionbirdsayearthroughoutNorthAmericadieincrasheswithlightedbuildingsandtowers.”Countlessmoreanimalscasualties(伤亡)resultfromtheuseofartificiallighting.Clearly,peopleenjoythebenefitsoflightingtheirevenings,butsomescientiststhinkitcanbeharmfulforhumans,too.Theyworrythatexposuretolightwhilesleepingcanincreaseaperson'schancesofgettingcancer.EmeraldValleyisonlyonecommunitythatisbecomingawareofthenegativeeffectsoflightpollution.Foryears,文章大意：本文是一篇议论文，作者通过一场不令人满意的流星雨引出话题，阐述了光污染对于人类及动物所造成的危害，号召人们不需要的时候，把灯关掉。51．Ithappenedlastnightthat________.A．thecity'slightsaffectedthemeteorwatchingB．themeteorsflewpastbeforebeingnoticedC．thecitylightshowattractedmanypeopleD．themeteorwatchingendedupasocialouting答案：A细节理解题。由第一段最后一句话：他们发现的是被城市灯光照得如此明亮的天空使得划过我们头顶的流星暗淡无光，所以可以知道城市灯光影响了流星雨的观看。故选A项。52．Whatdotheastronomerscomplainabout?A．Meteorshowersoccurlessoftenthanbefore.B．Theirobservationequipmentisinpoorrepair.C．Lightpollutionhasremainedunsolvedforyears.D．Theireyesightisfailingduetoartificiallighting.答案：C细节理解题。由第三段一、二句话，可知天文学家们几十年来以直报怨这个问题，说明光污染的问题多年没有解决。故选C项。53．WhattheauthorconcernedaboutaccordingtoParagraph4?A．Birdsmaytakeothermigrationpaths.B．Animal'slivinghabitsmaychangesuddenly.C．Varietiesofanimalswillbecomeshar