中考英语阅读理解《人与自然主题》专项练习48篇

中考英语阅读理解《人与自然主题》专项练习48篇第第页阅读下列短文，从26~40各题所给的A、B、C和D项中选出最佳选项RiverRaftAdventure!Everyonelovesrafting!JustaskanyoftheraftingguidesatRiverRaftAdventures(RRA).RRAhasbeenguidingtripssince1993.WearethebestraftingcompanyintheWest.Allofourguidesarehighlytrainedandreadytosharetheexcitementofriverraftingwithyou.Ifyouhavebeenraftingbeforeandarelookingforachallenge,wehavejusttherighttripforyou.Ifyouarereadyto"testthewaters"withyourfirst-whitewaterrun,takeatripwithus.●Aguideridesoneachraft.Ourguidesarethefriendliestinthebusiness.●Everypassengerispartoftheteamandhelpstopaddleundertheguide'sdirection.●Wehavetripslastingfrom1to5days.●Weprovideallmealsandtheyaredelicious.●Therearecomfortableroomsforovernighttrips.●Alltripshavebeautifulviews."Ihavebeenaraftingguidefor20years.Raftingisrelaxingandalsoexciting.Choosethetripthatyoulikebest.Youwillhaveawonderfultime!"MacSummers,guide"Ilovedmyraftingtrip.Itwaschallengingandfun.Theteamwasgreat.Theyworkedwiththehelpofourguide.Itwaspeacefulandbeautifulalongtheriver.Ihaverecommendedthetriptomanyofmyfriends."KarenCho,customerCallore-mailRRAtoday.RRAwillansweryourquestionsbyphoneore-mail.Letushelpyouplanyournextadventure.telephone:296-8496★★★e-mail:tomasin@1．Whichisafactbutnotanopinionintheadvertisement?A．Everyonelovesrafting. B．Aguideridesoneachraft.C．Thetripwaschallengingandfun. D．Theyprovidedeliciousmeals.2．Whomightbemostinterestedinthisadvertisement?A．Experiencedguides. B．Adventureplanners. C．Water-sportslovers. D．Swimminglearners.3．WhatdoyouknowabouttheRiverRaftAdventures(RRA)?A．It'sbeenguidingtripsfor20years.B．Itsraftingtripslastmorethan5days.C．Notoolsarerequiredontheraftsduringthetrip.D．Yourquestionswillbeansweredbyphoneore-mail.阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。Arethereanylakesinyourhometown?Whatcolorarethey?Aroundone-thirdoftheworld'slakesareblue,accordingtoastudyinSeptember2022.Butglobalwarmingmayleadthemtoturngreenorevenbrown,andcountrieswithmostlakesmaybeaffectedthemost.Ifthetemperaturecontinuestorise,oneineverytenlakesmightchangecolor.XiaoYangfromSouthernMethodistUniversityintheUSandhisteamanalyzed(分析)thecolorofover85,000lakesbasedonthesatellitephotostakenfrom2013to2020.Thestudyhasfoundthatlakesinplaceswithcoolersummeraverageairtemperatures-below19℃-weremorelikelytobebluethanlakesinplaceswithwarmersummers.Accordingtotheresearch,thecolorofalakeispartlydecidesbywhat'sinthewater.Watermoleculesabsorbthelongwavelengthsofsunlight,suchasredandyellow,leavingbehindtheshorteronespresentinggreenandblue.Simplyput,thecleanerthewater,theblueritlooks.Lakesserveasanimportantpartofourenvironment,withtheircolorbeingoneoftheoldestwaystodeterminethehealthofanecosystem.Humansgettheirdrinkingwaterfromlakes,streamsandgroundwater.Astheybecomegreener,peoplemayloselotsofcleanwater.Becauseofthis,dealingwiththewaterofsuchlakesbecomesmoreexpensive.Atthesametime,bluelakesarealsoasourceofaplacetohelppeoplestaypeaceful.SomecountriesaccordingtoCatherineO'Reilly,evenconsideredbluelakesasaspiritual(精神的)place.Astheselakesdisappear,theymayfeelupset.4．Inwhichcountryarethelakesaffectedthemostaccordingtothestudy?A．Russia B．China C．Canada D．Australia5．What'sthemainreasonthatchangesthecoloroflakes?A．Theriseofairtemperature. B．Thedropoffishpopulation.C．Moresunlightduringtheday. D．Anincreaseinlake'sdepth.6．HowwasthestudyconductedbyXiaoYang?A．Bylearningfromthepastreports. B．Bycollectingwaterfromlakes.C．Bycomparingsatellitelakephotos. D．Bydoingdifferentexperiments.7．What'sthemainideaofParagraph3?A．Whyisitimportantforpeopletoprotecttheenvironment?B．Whatdodifferentcountriesdotokeeptheirlakesclean?C．Howdowatermoleculesabsorblongwavelengthsofsunlight?D．Whydocleanerlakesseemtobemuchbluerthandirtierones?8．Whyarethelakessoimportantforpeopleaccordingtothepassage?A．Becausepeoplecantelliftheecosystemishealthyfromlakes'color.B．Becausedealingwiththewateroflakescanmakealotofmoney.C．Becausebluelakescanbeexcitingplacesforpeopletohavefun.D．Becausepeoplewillbecomehomelesswhenthelakesdisappear.阅读理解Doyouwanttohaveanicetripinyoursparetime?MaybeYunnanProvinceisagoodchoiceforyou.Thereyoucanenjoydifferentplacesofinterest.TimeActivitiesDay1ArriveinShangri-La.Youwillmeetyourlocalguideattheairportorthestationandheorshewilltakeyoutothehotel.VisitNapaLakeinyourfreetimeintheafternoon.Day2DrivetoLijiang(about2hours)andvisitTigerLeapingGorgeontheway.AfteryoureachLijiang,youcanvisitBlackDragonPondandJadeDragonSnowMountain.Youcantakethecablecars(缆车)toBaishaVillageinLijiang.Day3TakeabustoDali(about3.5hours).YoucangoboatingonErhaiLake,visitBaiVillage,XizhouandZhouchengordosomeshoppingintheoldDalitown.Day4FlytoKunminginthemorning,whichisthecapitalofYunnan.ThentakeatourtotheStoneForest.Intheafternoon,endyourtripandleaveKunmingbyair.ContactInformationTelorkingtime:9:00-17:00fromMondaytoFriday9．WhowilltakeyoutothehotelwhenyouarriveinShangri-La?A．Yourlocalguide. B．Yourfriends.C．Yourparents. D．Yourdriver.10．YoucanvisittheoldDalitown_______.A．onthefirstday B．ontheseconddayC．onthethirdday D．onthefourthday11．HowcanyougotoKunmingonthefourthday?A．Bybus. B．Byplane. C．Bycar. D．Bytrain.12．Whencanyoucalltheagencyifyouwanttogetmoreinformation?A．At19:00onWednesday. B．At8:30onTuesday.C．At14:00onSunday. D．At10:30onThursday.13．Wheredoesthispassageprobablycomefrom?A．Astory. B．Anad. C．Aplay. D．Anewsreport.阅读下列短文，从每小题A、B、C、D四个选项中，选出能回答所提问题的最佳答案Sometimeswhentherainfallshardandfastonyou,itmighthurtalittle.Butwhathappenswhenithitsamosquito(蚊子)?In2012,DavidHu,ascientistatGeorgiaTech,becameinterestedinthisproblemanddecidedtodoaresearch.Heusedahigh-speedcamerasothathecouldwatchthemosquitoesinveryslowmotionandfindoutwhatthey'redoingwhenthey'reoutintherain.Whathefoundisthatwhenaraindropfallsonamosquito,it'slikewhenabushitsaperson.Besides,thelittleinsect(昆虫)ishitbyaraindropaboutonceevery20seconds.Sowhydon'tweseemanydeadmosquitoesafteritrains?Amosquitoisasbigasaraindrop,butitismuchlighter—0.002gonly.Thissavesitslifeinraindrophits.Becausethemosquitoissolight,whenitishitbyaraindrop,itwon'texperienceaforcethatisstrongenoughtokillit.Thestudyalsofoundthatwhenamosquitoishitbyaraindrop,theinsectispushedbytheraindropandfallstogetherwithit.Butthemosquitodoesn'tgetweteasilybecauseitiscoveredwithhairswhichkeepoffwater.Afterdroppingabout6cm,itwillrollofftheraindropandflyaway.However,thistrickisn'talwayssuccessful.Ifthemosquitofliestoolowwhenitishitbytheraindrop,itwon'thavetimetoflyoff.Thenitwillhitthegroundandmeetitsdeath.14．Whatdoestheunderlinedword"motion"mean?A．Time. B．Movie. C．Step. D．Movement.15．Whatprotectmosquitoesintherain?A．Theirmouthsandtheirnoses. B．Theireyesandtheirears.C．Theirlegsandtheirwings. D．Theirbodyweightandtheirhairs.16．Whenisitdangerousforamosquitointherain?A．Whenitfliestooclosetotheground. B．Whentherainfallstoohardandtoofast.C．Whenitishitbyraindropstoomanytimes. D．Whenitdropsformorethan6cmintherain.17．Whichofthefollowingisapropertitleforthepassage?A．HowRaindropsHurtMosquitoes B．WhenMosquitoesAreinDangerC．WhyMosquitoesAren'tHurtinRain D．WhenMosquitoesMeetTheirDeath阅读理解Theoceanisnotaquietplace.Thisispartlycausedbyseaanimals.Theyusesoundtofindwhattheyeat,whomtheyplaywith,orwhichplacetheymovetowards.Butthenoisefromhumanactivitiesisincreasinglytroublingthelivesofoceananimals.Accordingtoscientists,loudnoisemayincreasemassstrandings(大规模搁浅)ofseaanimals.Researchersrecordedonlyfiveoftheseeventsinthefirsthalfofthe20thcentury.From1950to2004,theyrecordedmorethan1,200massstrandings.Thesewereperhapsbecauseoftheuseofsonar(声呐)underwater.Anothermainreasonofloudunderwaternoiseispiledriving(打桩).Pilesaresupportsforbridges,oilandgas-producingareas.They'redrivendeepintotheflooroftheocean.Drivingasinglepilecantakeseveralhoursandresultinasmanyas5,000hits.Thisprocesscreatesalotofnoise.Torestrainthatnoise,somecompaniesaremakinguseoftinybubbles(气泡).Asinglebubbleiseasilybroken.However,thebubblewallcanmakepiledrivingquieter.Thebubblewallisusuallycreatedinthisway:Atube(管子)isplacedinaringaroundapile.Airisthenletoutthroughcloselyspacedopeningsinthetube.Whenthebubblesrise,theyactasawallandtakeinsomeofthenoise.Somemoreofthesoundreflectsbackandbecomesstuckinsidethewall.Suchbubblewallsarereallyhelpful.Otherchangestopiledrivingcanhelpaswell.Forexample,peoplecantakebreakswhilepiledrivingandletanimalstravelthrough.Ournoiseintheoceaniscausingbigproblems.Butsmallchangesinourbehaviorscanmakeabigdifferenceinanimals'livesintheworld'soceans.18．Whattroubledthelivesofoceananimalsaccordingtothetext?A．Thegasproducedinthesea. B．Thefoodpollutedbyhumans.C．Thenoisefromhumanactivities. D．Thebubblewallsmadebysomecompanies.19．Whichwordisclosetotheunderlinedword"restrain"?A．Control. B．Increase. C．Make. D．Begin.20．Whatisthestructure(结构)ofthetext?(P1＝Paragraph1...)A． B． C． D．21．Whichcanbeapropertitleforthetext?A．KnowWhyOceanNoiseForm B．LearnMoreaboutSeaAnimalsC．CallonPeopletoProtectAnimals D．TrytoMakeaDifferencetotheOcean阅读理解Beesaretrulyfascinatinginsectsthatweoftenseeflyingaroundgardensorwoods.Theymovefromoneflowertoanotherandmightevencomeinsideourhomes.Theymaketheskiesofgardensorforestsmorebeautiful.Whatdoesabeelooklike?Abeehassixlegsandtwosetsofwingsoneachsideofitsbody.Itsbodyisdividedintothreeparts:thehead,thorax（胸部）,andabdomen（腹部）.Beeshavetwofeelersontheirheadscalledantennaeandtwolargeeyesoneachside.Theycomeindifferentcolorsandshapes.Then,areallbeesthesame?No,theycomeindifferentcolorsandshapes,andtherearemanydifferentkindsofbees.InIreland,thereare101differentkindsofbees.However,onlyhoneybeesmakehoneythatweeat,whileotherbeesdon'tmakehoneyatall.ThereisonlyonekindofhoneybeethatlivesinIreland.Theplacesthathoneybeesliveinarealsodifferent,includinghives（蜂箱）,holesandevennestsmadefromleaves.Whatdoesabeeeat?Beesfeedthemselveswithnectarandpollen（花粉）,whichtheycollectfromflowers.Nectar,asweetliquid（液体）foundinflowers,servesastheprimaryenergysourceforbees.Honeybeesuseittomakehoney.Meanwhile,yellowpollenstickstothebees'hairylegsastheygatherfood.Whyarebeesimportant?Whileweenjoyhoneyasasweettreatandbeeswax（蜂蜡）forcandlemaking,beesplayafarmoreimportantroleinourlife.Besides,beesareveryimportanttonaturebecausetheybringpollenfromoneplanttoanotherontheirhairylegs.Withoutthehardworkingbees,thegrowthoffruitsandcropswouldbeseriouslyinfluenced,highlightingtheirspecialroleinprotectingourenvironmentandfarming.22．Whichshowstherightpartcalled"antennae"ofabee?A． B． C． D．23．Whydoestheauthormentionbees'colorsandshapes?A．Toshowhowbeautifulbeeslook. B．Toshowwhatpeoplelikeaboutbees.C．Totellthere'redifferentkindsofbees. D．Totellwhybeeslikefoodfromflowers.24．Whatcanwelearnaboutbeesafterreadingthepassage?a.thefoodofbeesb.theenemiesofbeesc.theappearanceofbeesd.theimportanceofbeese.thetypesofbeesA．abcd B．acde C．bcde D．abde25．Whatdoestheauthorthinkofbeesaccordingtothelastparagraph?A．Beesworkhardtoplantcrops. B．Beesmakeourworldcolorful.C．Beeshelpkeepnatureinbalance. D．Beesaregoodformakinghoney.26．Whichsubjectdoesthisarticlebelongto（属于）?A．Physics. B．Chemistry. C．Geography. D．Biology.阅读理解SnowLeopardPosterCompetition!Thisspring,twobeautifulsnowleopards(雪豹)willbewelcomedintotheirspeciallydesignednewhomeatChesterZoo—andguesswhat?Yourartworkcouldbeondisplaytherewiththem.Snowleopardsinthewildareintrouble.Oneofthebiggestthreatsthatwillaffectthemisclimatechange.Sadly,thesnowyHimalayanmountains,wheresnowleopardslive,arewarmingatthreetimestheglobalaverage.ButChesterZoowantstogivethesesnowleopardsabrighterfuture.Rightnow,they'rebusyrecreatingthebigcats'mountainoushomeatthezoo.Wewantyoutocreateanamazingsnowleopardposterthatencouragespeopletotakeactiononclimatechange!Drawasnowleopardandchooseoneofthepledgesbelowtoaddtoyourposter.ThePledgesThereissomethingwecankeeptellingourselvestohelpfightclimatechange.Whichwillyouchoosetoincludeonyourposter?REDUCEFOODWASTEMakearecipewithleftoveringredients.WALKORCYCLELeavethecarathomeonshortjourneys.AVOIDFLYINGFindadifferenttypeoftransportnexttimeyouplantotakeaflight.PosterDesignTips!①Planyourdesignonpaperbeforemakingyourfinalposter.②Thinkaboutwhatmaterialsyou'dliketousetomakeyourposter.Willyouusepaints,colouredpencilsorpens?③Makesurethepledgeyouchooseisclearandeasytoread!④Thesnowleopardshouldtakecentrestage.⑤Keepyourdesignsimple.ThePrizesThewinningposterwillgoondisplayinthesnowleopardsectionatChesterZoo.Youandyourfamilycangoonafreetriptoseeitandthesnowleopards!You'llevenget£50tospendonfoodanddrinkatthezoo.

27．Whatcanwelearnfromthepassage?A．Therearenosnowleopardsinthewild. B．ClimatechangeisthebiggestthreattosnowleopardsC．Snowleopardsarelosingtheirhomes. D．Thesnowleopards'newhomeisinthewild28．Whichofthefollowingpostershasabetterchanceofwinningthecompetition?A． B． C． D．29．Whatawardcanyougetifyouwinthecompetition?A．Youcanfindyourposterattheentranceofthezoo. B．Youcangotothezoowithyourfriendsforfree.C．Youcanenjoythesnowleopardsshowforfree. D．Youcansave£50onfoodanddrink.阅读理解EventhoughAfricanelephantsareprotected,manyofthemarestillbeingkilledfortheirivory.Attheendofthe1970s,over1.3millionelephantswalkedaroundAfrica,buttoday,theirnumbershavefallentoaround450,000.Thisismainlycausedbyillegal(非法的)huntingforivory.Needforivoryinmarkets,especiallyinAsiaandAfrica,continuestopushtheillegaltrade.Thishasresultedinthedeathsofatleast20,000Africanelephantseachyear.Ivory,alsoknownas"whitegold",haslongbeenconsideredvaluable.Itsunusuallookhasledtoitsuseinlotsofexpensivethings,includingjewellery,musicalinstrumentsandart.Andtheivorymaterialitselfcanstandthetestoftime.Somanypeoplearewillingtopayahighpriceforivoryproducts.However,nomatterhowmuchrealivoryissoldfor,it'scertainlynotworththeharmtoelephants.That'swhysomescientistsareworkingtoachievethesamebeautyofivorywithoutkillinganyanimals.ThaddaaRathandherteamattheUniversityofViennahavecreatedtheivorycalled"Digory".Thehigh-techivoryismadefromsyntheticresin(合成树脂)andcalciumphosphateparticles(磷酸钙颗粒).It'sfirstformedintotheshapebya3Dprinter.Andthenitiscolor-matchedandcolored.Next,itispolished(抛光)tomakeitlooklikerealnaturalivory.AlthoughDigorylookssorealthatitishardtotellitfromrealivory,itschemicalstructureiscompletelydifferentfromthatoftherealone.FritzVollrath,abiologistwhoisagainstkillingelephantsforivory,feltexcitedabouttheinventionandspokehighlyofitforthefactthatDigorycouldsavemanyelephantsfromrisks.Scientistshavemadesomeachievements,butwestillneedtodomoreresearchtomakesurethatitiswidelyused.It'sstillhopefulthatscientistscanbeabletoprotectAfricanelephantsbymakinghigh-techmaterialstotaketheplaceoftherealivory.30．Howdoestheauthorshowthedangeroussituationsofelephants?A．Bytellingastory. B．Bylistingnumbers. C．Byaskingaquestion.31．Whydomanypeoplewanttobuyivoryproductsathighprices?A．Foritscommonlook. B．Foritslonghistory. C．Foritshigh-qualitymaterial.32．Whatdoweknowaboutmaking"Digory"?①Itssteps.②Itstime.③Itsmaterials.④Itscost.A．①② B．③④ C．①③33．Whichofthefollowingdoesthewriteragreewith?A．Technologycantakehuman'splacetocreateart.B．ItisalmostimpossiblethatDigorywillbewidelyused.C．Theuseoftechnologycansupporttheprotectionofwildlife.阅读理解Theyhangfromtrees.Theyfloatinriversandoceans.Theyarepiledupinlandfills（垃圾填埋场）.Ourfrequentuseofplasticproductshas，formanyyears，beenaleadingcauseofseriousenvironmentalproblemsintheworld.Lastmonth，Chinadrewupnewguidelines（指导方针）aimingtobringplasticpollutionundercontrolacrossthecountryinfiveyears'time.Accordingtothenewguidelines，theban（禁令）ontheuseofnon-biodegradable（不可生物降解的）plasticbagswillhavebeenappliedtocitiesincludingBeijingandShanghaibytheendofthisyear.Othersourcesofplasticgarbagewillhavebeenbannedinthesecitiesbytheendof2022.Andthatrulewillhaveextendednationwidebylate2025.Fortunately，Chinawillnotstartfromzero.Latelastyear，thecountryannouncedanationalstandardforbiodegradableplasticshoppingbags.Itistechnologicallypreparedfortheirproduction.Someregionshavegainedvaluableexperiencethatotherscanlearnfrom.Forexample，Jilinprovinceisleadingthewaybyprovidingeco-friendly（环保的）shoppingbagsinsomelocalsupermarkets.GiventhesizeofChina'sconsumermarket，onemainobstacle（障碍）isthelargenumberofplasticitemsthatarebeingusedbyrestaurantsande-commerce（电子商务）platforms.It'sestimatedthatnearly25billionplasticbagswereusedfordeliveriesin2018.Mostofthemwererarelyreused.However，mostChinesepeoplewelcomedthegovernment'sefforttoreducetheuseofplastics."Beijingisthinkingabouttheproblemseriously，"saidTangDamin，amemberofGreenpeaceEastAsiainBeijing.Headdedthatthepolicycouldbefarmoreeffective（有效）byusingincentives（激励）suchasadeposit（押金）returnprogramonplasticproducts.34．Whatdoesthewriterwanttotellus？A．Chinahasinventedbiodegradableplasticshoppingbags.B．PlasticpollutionbecomesmoreandmoreseriousinChina.C．GreenpeaceEastAsiainBeijingworriesabouttheplasticpollution.D．Chinahasdrawnupnewguidelinestoreduceplasticpollutioninfiveyears.35．Accordingtothetimelineofthenewguidelines，____.A．therulewillhaveextendednationwidebylate2025B．plasticgarbagewillhavebeenbannedinShanghaibytheendof2020C．plasticbagswon'tbeallowedtobeusedinBeijingbytheendof2022D．adepositreturnprogramonplasticproductswillbeputintopracticingin202336．Whatisthebiggestchallengetofollowtheguidelines？A．MostChinesepeoplearen'tusedtousingpaperbags.B．It'shardtomakeeffectivepolicytosolvetheproblem.C．Manysupermarketsarestillprovidingcustomerswithplasticbags.D．Restaurantsande﹣commerceplatformsneedlargenumberofplasticitems.37．WhatdoesTangDaminthinkofthenewpolicy？A．Thenewguidelinesarenotmuchuseful.B．Peopleshouldbeencouragedtofollowthepolicy.C．ThenewpolicycanhelpalottodevelopGreenpeace.D．Beijingisthinkingabouttheplasticpollutionseriously.38．Afterreadingthepassage，wecaninferthat____.A．peoplewillordermoretake﹣outfoodB．plasticbagswillbewidelyreusedintheworldC．biodegradableplasticshoppingbagswillbecomepopularD．therewillbemorepeopleusingpaperproductsinthefuture阅读理解Mostpeopleagreethathonestyisagoodthing.ButdoesMotherNatureagree？Animalscan'ttalk，butcantheyliewiththeirbodiesandbehavior？Animalexpertsmaynotcallitlying，buttheydoagreethatmanyanimalsbehavedishonestlytofoolotheranimals.Dishonestyoftenhelpsthemsurvive（生存）.Manykindsofbirdsareverysuccessfulatfoolingotheranimals.Abirdcalledtheploversometimespretends（假装）tobehurtinordertoprotectitsyoung.Whenanenemygetsclosetoitsnest，theploverpretendstohaveabrokenwing.Theenemyfollowsthe"hurt"adult，leavingthebabybirdssafe.Anotherkindofbird，thescrubjay，buries（埋）itsfoodsoitalwayshassomethingtoeat.Scrubjaysalsostealfood.Theywatchwhereothersburytheirfoodandstealit.Butcleverscrubjaysseemtoknowwhenothersarewatchingthem.Sotheygetbacklater，digthefoodandburyitagainsomewhereelse.Chimpanzees（黑猩猩）canalsobesneaky.Afterafight，thelosingchimpanzeewillgiveitshandtotheother.Whenthewinningchimpanzeeputsoutitshand，too，thechimpanzeesarefriendlyagain.Butananimalexpertoncesawalosingchimpanzeetakethewinner'shandandstartfightingagain.Whenchimpanzeesfindfood，it'snaturalforthemtocryout.Thenotherchimpanzeescomerunning.Butsomecleverchimpanzeeslearntocryverysoftlywhentheyfindfood.Thatway，otherchimpanzeesdon'thearthem，andtheydon'tneedtosharethefood.39．Whydoestheploverpretendtobehurt?A．Toshowitsfriendliness. B．Tosaveitsyoung.C．Tocatchtheenemy. D．Toprotectitself.40．Whatdocleverscrubjaysdowiththeirfood?A．Theyburythefooddeep. B．Theywatchthefood.C．Theyburythefoodtwice. D．Theyeattheirfoodalone.41．Whatdoestheunderlinedword"sneaky"inparagraph4mean?A．狡猾的 B．礼貌的 C．骄傲的 D．诚实的42．Whatwillthechimpanzeeprobablydoaftercryingsoftly?A．Itwillgiveitshandtotheother. B．Itwillsharethefoodwithothers.C．Itwillfightagainwiththewinner. D．Itwilleatallthefooditfinds.43．What'sthebesttitleofthepassage?A．Doanimalslie？ B．Honestyordishonesty？C．Whydobirdslie？ D．Howdoanimalsprotectlives？阅读下面的材料,从每小题所给的A、B、C、D四个选项中选出最佳选项。Theworldisgettingwarmer,andtheiceinhighmountainsismelting(融化).Howtoslowdownthemelt?Wearing"clothes"Inthe1990s,peopleinSwitzerlandputwhite"blankets"onskiareas.Thewhitecolorcanreflect(反射)thesunshineandkeeptheicecool.Theblanketsaremadeofwool,soraincangothroughtheblanketsandbecomeice.Itcanslowdownthemeltbyabout50%to70%.Today,the"blankets"inSwitzerlandcover10.000to50,000squaremetersofice.PaintingtherocksFarmersintheAndesMountainsinPeruuseasimilaridea.Above5,000meters,theypainttherockswithwhite"paint".Thepaintismadeofwater,sandandsoap.Thesoaphelpsitsticktotherocks.Thewhiterockscanbe16℃coolerthanthedarkrocks.CreatingsnowScientistsatanorganizationcalledGlaciersAlivetumtoman-madesnowforhelpinSwitzerland:Inwinter,theyusewaterfromasmalllake.upinthemountain.Thewatergoesdownsomepipes(管道).Onthepipes,thereareshowerheads.Thewaterflows(流)outfromthepipesandbecomessnowonthemountain.44．Theiceinhighmountainsismeltingbecause____.A．peopleputwhiteblanketsonskiareas B．theworldisgettingwarmerC．whatdidpeopledointhe1990s D．themountainsarecoveredwithiceandsand45．Whydidpeoplemaketheblanketswhite?A．Becausetheywanttheblanketstolookliketheice.B．Becausethewhitecolorhasafeelofwool.C．Becausethewhitecolorhelpstheicegetlesssunshine.D．Becauseraincangothroughwhiteblanketseasily.46．ThepaintthatfarmersintheAndesMountainsuseismadeofA．ice,waterandsoap' B．water,sandandsnowC．sand,snowandsoap D．water,sandandsoap47．WhatdoscientistsfromGlaciersAlivedotoslowdownthemelt?A．TheypainttherocksinSwitzerlandwhite.B．Theyusewatertocreatesnowinwinter;C．Theyusesmalllakeslokeepsnowandice.D．Theyusepipestomoverainuponthemountain.48．Whatisthemainideaofthepassage?A．Peopleshouldmakebetteruseofthesunshine.B．Peoplearetryingtostoptheworldfromgettingwarmer.C．Peoplefromdifferentcountriesarcworkinginateam.D．Peopleareworkinghardtokeephighmountainscool.阅读理解请阅读下面短文，从每小题所给的A、B、C三个选项中，选出一个最佳选项。Haveyounoticedthesedaysthetemperatureisnotsonormal？Thegreenhouseeffect（温室效应）isoneofthereasons.Howdoesitwork？Agreenhouseisabuildingwithglasswalls.Inthedaytime，sunlightshinesintothegreenhouseandwarmstheplantsandairinside.Atnighttime，it'scolderoutside，butthegreenhousestayswarminside.That'sbecausetheglasswallsofthegreenhousekeepthesun'sheatinside.ThegreenhouseeffectworksmuchthesamewayonEarth.GreenhousegasesintheairsuchasCO2holdheatliketheglasswallsofagreenhouse.Duringtheday，thesunshinesandEarth'ssurfacewarmsupinthesunlight.Atnight，Earth'ssurfacecools，givingheatbackintotheair.Butsomeoftheheatiskeptbythegreenhousegasesintheatmosphere.ThatswhatkeepsEarthwarm.Howdohumansinfluencethegreenhouseeffect？HumanactivitiesarechangingEarth'snaturalgreenhouseeffect.Burningfuels（燃料）likecoalandpetrolputsmoreCO2intoouratmosphere.ToomuchofthesegreenhousegasescancauseEarth'satmospheretoholdmoreandmoreheat.WhatbringsdownthegreenhouseeffectonEarth？Plantscanhelpalot.Allplants—frombigtreestotinyplantsintheocean—takeinCO2andgiveoffO2.49．Whatcanagreenhousedo?A．Keeptheroombright. B．Keeppeoplewarminwinter. C．Keepthetemperaturewarminside.50．WhatisCO2likeinEarth'snaturalgreenhouseeffect?A．Thesun. B．Theplants. C．Theglasswalls.51．Whatdothearrows（箭头）inthe2ndpictureshow?A．Sunlightshining. B．Heatcomingandgoing. C．Greenhousegasesleaving.52．Accordingtothepassage，howcanwedealwith