【单元考点培优】2026秋沪教版七上 Unit 4 The Earth 专题15 阅读理解（多小题）

【单元考点培优】沪教版七上Unit4TheEarth专题15阅读理解（多小题）阅读理解TheEarthgivesusmanyvaluablethings,butweareusingthemuptooquickly.NaturalresourcesarematerialsfromtheEarththatweneedtolive,likewater,oil,andforests.Waterisoneofthemostimportantresources.About97%oftheEarth'swaterissaltwaterinoceans,whichwecan'tdrinkdirectly.Only3%isfreshwater,andmostofthatislockedinglaciersandice.Sowemustsaveeverydropofcleanwater.Forestsarealsoimportant.Theygiveuswood,cleanair,andhomesforanimals.Butpeoplecutdownmillionsoftreeseveryyearforpaperandbuildings.Thiscausessoilerosionandmakestheairlessclean.Oilisanothervaluableresource.Weuseitforcars,planes,andmakingplastic.Butoilisanon-renewableresource,whichmeansitcan'tbereplacedonceit'susedup.Scientistsaretryingtofindnewenergysources,likesolarandwindpower,toreplaceoil.Wemustlearntouseresourceswisely.Recycling,plantingtrees,andsavingwateraresmallwayswecanhelpprotecttheEarth.1．HowmuchoftheEarth'swaterisfreshwater?A．97% B．3% C．71% D．29%2．WhatisNOTanaturalresourcementionedinthepassage?A．Water B．Oil C．Plastic D．Forests3．Whatdoes"non-renewable"meaninthepassage?A．CanbemadeagainquicklyB．Can'tbereplacedonceusedupC．IseasytofindD．Isverycheap4．WhatcanwedotoprotecttheEarthaccordingtothepassage?A．Cutdownmoretrees B．WastemorewaterC．Recyclethings D．Usemoreoil5．Whatisthemainideaofthepassage?A．WeshouldprotectandusenaturalresourceswiselyB．OilisthemostimportantnaturalresourceC．MostoftheEarth'swaterissaltwaterD．Forestsprovidehomesforanimals阅读理解Mialovestheocean.Everysummer,shegoestothebeachwithherfamily.Butlastyear,shenoticedthatthebeachwasfullofplastictrash.Therewerebottles,bags,andevenoldtoyseverywhere.Someseabirdsweretryingtoeattheplastic,whichmadeMiaveryworried.Shedecidedtodosomething.First,sheaskedherfamilyandfriendstohelpcleanthebeach.Theyspentawholemorningpickinguptrashandputtingitintobags.Theycollectedover50bagsoftrashthatday.Then,Miastartedagroupcalled"OceanSavers".Thegroupmeetseverymonthtocleanthebeach.Theyalsotalktopeoplevisitingthebeach,tellingthemnottoleavetrashbehind.Theyevenmakeposterstoputuparoundthetown.Miaalsowrotealettertothelocalbeachmanagement.Sheaskedthemtoputmoretrashbinsonthebeachandtoholdregularcleaningactivities.Themanagementagreedandsaidtheywouldadd10newtrashbins.Now,thebeachismuchcleaner.Miaishappytoseethatmorepeoplearestartingtocareabouttheocean.Shesays,"Everyonecanmakeadifference.Evensmallactionscanhelpkeepouroceanclean."6．WhatdidMianoticeaboutthebeachlastyear?A．Itwasverycrowded B．ItwasfullofplastictrashC．Therewerenoseabirds D．Thewaterwastoocold7．HowmuchtrashdidMiaandherfamilycollectonthefirstcleaningday?A．Over30bags B．Over40bagsC．Over50bags D．Over60bags8．WhatisthenameofMia'sgroup?A．BeachCleaners B．OceanSaversC．SeaProtectors D．TrashCollectors9．WhatdidMiaaskthebeachmanagementtodo?A．ClosethebeachtovisitorsB．PutmoretrashbinsonthebeachC．StoppeoplefromswimmingintheoceanD．Buildanewparknearthebeach10．WhatcanwelearnfromMia'sstory?A．OnlyadultscanprotecttheenvironmentB．SmallactionscanmakeabigdifferenceC．TheoceanisnotimportanttohumansD．Cleaningthebeachistoohardforkids阅读理解Howmanyseasonsarethereinyourcityinayear?DoyouknowhowmanyseasonsthereareneartheNorthPole(北极)?Onlytwo:winterandsummer.Inwinter,nightsarelong.Formorethantwomonths,youcan'tseethesun,evenatnoon.Insummer,daysarelong.Formorethantwomonths,thesunnevergoesdownandthereisnonightatall.Thetemperature(温度)islowneartheNorthPole.Insummerthetemperatureisbelow0℃,suchas-3℃,sopeopletherehavetowearwarmclothesallyearround.LifeneartheNorthPoleisverydifferent.Becauseofthecoldweatherandthelongtimeofdarkness,plantscannotgrowthere.Suchweatherisalsounfriendlytomostanimals.Andpeopletherehavetobuildtheirhouseswithearth,stoneorsnow.Youmaythinkthatsnowhousesmustbecold.Infact,theyareverywarminsideandsafe.Whenpeoplegoout,theyliveinthetent—somethingwecansleepin.Whentheymove,theytaketheirtentswiththem.11．Thereisno____neartheNorthPole.A．springorsummer B．summerorwinterC．springorautumn D．summerorautumn12．WhendopeopleneartheNorthPoleneedwarmclothes?A．Allyearround.B．Onlyinwinter.C．Justinsummer.D．Whenthetemperatureisover10℃.13．Whycan'tplantsgrowneartheNorthPole?A．Becauseofthelongdays.B．Becauseofthewarmweather.C．Becauseoftheshortnights.D．Becauseofthecoldweatherandlongdarkness.14．WhatmaypeopleneartheNorthPoledo?①Growplantsforfood.②Seemanykindsofanimals.③Liveinsnowhouses.④Sleepintentswhengoingout.A．①④ B．③④ C．①②③ D．②③④15．Wherecanyoureadthisarticle?A．Inacookbook(烹饪手册).B．Inastorybook.C．Inascienceposter(科学海报).D．Inageographymagazine(杂志).阅读理解Youmaythinkthereisonlysand(沙子)inthedesert,butitisnotthefact(事实).Inthedesert,thereisalittlerain,anditisnotenoughformostplants.Butwecanseesomeplantsliveinthedesert.Thereiswaterinsomeplacesinthedesert.Wecalltheseplacesoases(绿洲).Peoplegrowdifferentkindsofcrops(庄稼)there.Peoplealsoliveoutsidetheoases.Theyhavecamels(骆驼),sheepandotheranimals.Theseanimalsliveonthedesertplantsanddonotneedmuchwater.Theanimalsareusefultothedesertpeopleinmanyways.Theyeatmeatanddrinkmilkandtheyusethecamelstocarrythingslikewaterandfood.What'smore,thecamelscanevenhelppeoplefindwater.Thedesertpeoplehavetokeepmovingfromplacetoplace.Theymustalwayslookfordesertplantsfortheiranimals.Whenthereisnomorefoodfortheiranimals,theymovetoanotherplace.Thedesertpeoplearefriendly.Theywouldbereadytohelpthepeopleinneedandgivethemfoodandwater.16．Howdoesthewriterstartthetext?A．Bytellingafact. B．Bytellingastory.C．Byaskingaquestion. D．Bygivingnumbers(数字).17．Whatdoestheunderlinedword"they"referto(指代)?A．People. B．Oases. C．Animals. D．Ways.18．Whatcanweknowaboutcamels?A．Theycan'tcarrywater.B．Theydon'tneedmuchwater.C．Theydon'teatdesertplants.D．Theydon'tneedwaterinthedesert.19．What'sthelifeofthedesertpeoplelike?A．Hard. B．Quiet. C．Interesting. D．Exciting.20．Whatisthetextmainlyabout?A．Oasesandcamels.B．Thewaterinthedesert.C．Theweatherinthedesert.D．Oasesandthedesertpeople'slives.阅读理解LongxipuinXinshaohasafamousancientbirdmigrationpathwithahistoryofthousandsofyears(千年鸟道).Everyautumn,thousandsofwildbirdsflyhereontheirlongjourneytowarmplaces.Theyrest,lookforfoodandcontinuetheirtripthenextday.Inthepast,somepeoplecaughtbirdsalongthepath.Thismadethenumberofbirdsdropquicklyandbrokethebalanceofnature.Nowlocalpeopleandvolunteersworkhardtoprotectthebirds.Theystopillegal(非法)catching,plantmoretreesandsetupsaferestingareas.Morevisitorscometowatchbirdsinaquietandpoliteway.Theancientbirdpathisapreciousnaturaltreasure.Protectingmigratingbirdsisprotectingourhome.Asmiddleschoolstudents,weshouldlovewildanimals,refusebirdproductsandlearntoliveinharmony(和谐)withnature.21．WhatisspecialaboutLongxipu?A．Ithasmanybiglakes.B．Ithasathousand-year-oldbirdmigrationpath.C．Itisfamousformanytalltrees.22．Whatdidsomepeopledotohurtwildbirdsbefore?A．Gavethemfood.B．Watchedthemquietly.C．Caughtthemillegally.23．Whatdopeopledotoprotectthebirdsnow?①Stopillegalcatching②Plantmoretrees③Buildsaferestingareas④CatchmorebirdsforfunA．①②③ B．①②④ C．①③④24．Whatdoesthewriteradviseustodo?A．Keepwildbirdsathome.B．Buymorebirdproducts.C．Liveinharmonywithnatureandprotectwildbirds.阅读理解Doyoulookupatthenightskyandwanttoknowwhyyoucan'tseemanystars?Thereasonissomethingcalled"lightpollution".Let'slearnwhatthismeansandwhyitisimportant.Lightpollutionhappenswhenweusetoomanybrightlightsatnight.Streetlights,buildinglights,andotheroutdoorlightsmaketheskytoobright.Thisbrightnesscoversthelightfromstars.Soevenonaclearnight,wemayjustseeafewstars.Butlightpollutiondoesn'tjusthidethestars—itmakesotherproblemstoo.Manyanimalsneeddarknesstolivetheireverydaylives.Forexample,bats(蝙蝠)comeoutatnighttofindfood.Whenthereistoomuchlight,theymaynotknowwhentolookforfoodorwhentosleep.Seaturtles(海龟)areanotherexample—babyseaturtlesusemoonlighttofindtheirwaytothesea.Brightlightsfromcitiescanmakethemgothewrongway.Lightpollutionisbadforpeopletoo.Weneeddarknesstohaveagoodrest.Whenwesleepindarkrooms,ourbodiescanmakesomethingsthathelpusfeelrested.Ifourroomsaretoobright,wemaynotsleepdeeplyandcanfeeltiredthenextday.Thegoodnewsisthatwecanallhelpreduce(减少)lightpollution!Herearesomesmallthingswecando:▶Turnofflightswhenweleavearoom.▶Askparentstouselightsthatpointdowninsteadofupatthesky.▶Usejustenoughlightforwhatweneed—nottoobright.Ifweallworktogethertouselightswisely,wecanbringbackthebeautifulnightsky.25．Thepassageismostprobablytakenfrom____.A．atravelmagazine B．asciencebookC．asportsmagazine D．ananimalbook26．Howdoesthewriterdescribe(描述)theproblemsoflightpollutiontoanimals?A．Bygivingexamples.B．Bycomparing(比较)thethings.C．Byshowingnumbers.D．Bydrawingaconclusion(结论).27．Whichofthefollowingactionswouldhelpreducelightpollution?A．Usingcolorfullightstomakethebuildingspretty.B．Turningonallthelightsaftergettinghomeatnight.C．Turningoffthelightsinanemptyclassroomatnight.D．Usingmorestreetlightsthatpointuptolighttheskyintheevening.28．Thewritermainlywants____.A．totellinterestingstoriesaboutwhatanimalsdoatnight.B．totellusaproblemmadebylightandaskreaderstohelp.C．totellthedifferencebetweenstreetlightsandindoorlights.D．totellushowbeautifulthenightskylookswithoutlightpollution.阅读理解①Beesgiveushoney(蜂蜜)andhelpplantsgrow.Buttheselittleanimalsarehavingahardtime.②Anewreportsaysthatbeesareintroublebecauseofproblemsinmanyplaces.Whenthereisawar,peopleoftengrowonlyoneortwokindsoffood.Thismeanstheflowersarealloutforaveryshorttime.Beescanonlyfindfoodduringthatshorttime.Soformostoftheyear,theyhavetogohungry.③Also,becauseweneedmorefood,farmersareusingmorelandforfarming.Thismeansmanyanimalsandplantslosetheirhomes.④Airpollutionisanotherproblemforbees.Itmakesithardforthemtolive,grow,andhavebabies.Inareaswithbadairandfewplants,beesdiemoreeasilyandvisitfewerflowers.Thisisbadforpollination(授粉).So,therewillbefewerflowersandlessfoodforeveryone.⑤It'stimeforustodosomethingtosavebees.Wecanusemoreelectric(电的)carstohelpcleantheair.Wecanalsogrowmoreplantsthatbeesliketovisit.FUNFACTSABOUTBEESBeeshavelivedonEarthformorethan100millionyears.Abeekeeper'sclothesareusuallywhite.Beesdon'tlikedarkcolors,andtheymaygetangry.Honeybeesvisitabout2millionflowerstomakeapound(about454grams)ofhoney.29．Airpollutionisbadforbeesbecause____.A．theycan'tvisitanyflowersB．theycan'tfindfoodatallC．it'shardforthemtohavebabiesD．theygrowfasterthanbefore30．WhichofthefollowingisTRUEaccordingtothetext?A．Beesoftengohungryduringwars.B．Usingfewerelectriccarshelpsbees.C．Whitecolorscanmakebeesangry.D．Farmersgrowmoreplantsforbees.31．Whichofthefollowingshowsthestructure(结构)ofthetext?A． B．C． D．32．Thebesttitleofthetextis____.A．Howtosavebees. B．Funfactsaboutbees.C．Tipsforkeepingbees. D．BeesinTrouble.阅读理解Mangroves(红树林)areveryspecialforests.Theygrowalongthecoastlines(海岸线).Theylookliketallgreenwallsrisingfromthesea.Althoughtheymightseemlikejusttrees,theydomanyimportantjobsfornature.First,mangrovesplayaveryimportantrole.Theyprotectcoastsfromstrongwindsandbigfloods,keepinghomesandbeachessafe.Theirroots(根)arelikelittlecitiesforsmallanimals.Smallfishswimaroundthemandbirdsbuildtheirhomesthere.What'smore,thesetreesaregreatcleaners.Theytakeoutthebadthingsintheseawater,makingtheseacleanerandhealthier.Inaword,mangrovesarenotonlybeautifulbutalsoveryuseful.Weshouldprotectthemwell.Butnow,mangroveforestsareingreatdanger.Peoplecutthemdowntobuildhousesorstartfarms.Humanactivitiescreatelotsofrubbishandwastewater.Thisisalsoharmfultothem.Manymangroveforestsaregettingsmallerandmanysmallanimalsintheseaarelosingtheirhomes.It'stimeforustotakeaction.Thegoodnewsisthatmoreandmorepeoplearewakinguptotheirimportance.Volunteers(志愿者)plantnewmangrovetrees,andscientistsstudyhowtoprotectthembetter.Wecanhelp,too.Forexample,weshouldstopputtingrubbishintotheseaandtakepartinactivitiestoprotectmangroves.Afterall,savingmangrovesmeanskeepingnaturehealthyandit'sgoodforalllivingthings.33．Whatdoparagraphs1and2mainlytalkabout?A．Thegreentallwallsalongthesea.B．Thebadthingsintheseawater.C．Theroleofmangrovesfornature.D．Thehomesofsmallfishandbirds.34．Whyaremangrovesindanger?A．Becausethereistoomuchrain.B．Becausepeoplecutthemdown.C．Becausetherearetoomanyanimals.D．Becausetheseawaterisbecomingtooclean.35．Whatdoestheunderlinedword"harmful"inParagraph3mean?A．Bad. B．Clean. C．Direct. D．Important.36．Whatdovolunteersdotohelpmangrovesfromthetext?A．Theystudyhowmangrovesgrow.B．Theyplantnewmangrovetrees.C．Theystoppeoplefromcuttingtrees.D．Theystudythewaystoprotecttrees.37．Whatisthebesttitleforthetext?A．ImportanceofplantingtreesB．ActivitiesforprotectingnatureC．ForestsgrowingalongtheseaD．Dangercausedbypeople'sactivities阅读理解ThethemeofWorldWaterDay2024is"WaterforPeace".DoyouknowWorldWaterDay?Itnotonlymakesusthinkabouttheimportanceofwater,butalsocallsonustosaveandprotectwater.Today,we'refacingterriblewaterproblems.Amongthem,wastewaterproblemisespeciallyserious.Whatiswastewater?Itisusedwater.Usually,wastewatercomesfromhomes,factories,hospitalsandsoon.Itisproducedbydifferentkindsofactivities,includingwashingclothes,takingshowersandusingthekitchen.Therainalsobecomeswastewaterwhenitisrunningdownthestreetduringastorm.Nomatterwhereitcomesfrom,thiskindofwaterissuretohavesomethingharmfulinit.Whymustwetreat(处理)wastewater?Wastewaterhasabiginfluenceonourlife.Itcausesbothillnessforusandpollutionfortheenvironment.Wemustcareforourenvironmentandourownhealth.Howcanwetreatwastewater?Differentkindsofwastewaterneeddifferentwaysoftreatment.Wastewaterfromhomescanbereused.Wecanusethewaterfromshowersandwashingmachinestowaterplantsorflushtoilets.Thentherewillbelesswastewater.Also,factorywastewaterhastobecleanedbeforeitgoesbacktonature.38．Whyistreatingwastewaterimportant?A．Becauseitcanhelpussavemoney.B．Becausewastewaterisharmfultoourhealthandtheenvironment.C．Becauseitcanmakewatertastebetter.D．Becauseallwastewatercanbereuseddirectly.39．WhichofthefollowingstatementsisNOTtrue?A．WorldWaterDayremindsusoftheimportanceofwater.B．Wastewaterfromhomescanbeusedtowaterplants.C．Rainwaterisalwayscleanandneverbecomeswastewater.D．Differenttypesofwastewaterneeddifferenttreatmentmethods.40．Wheremaythispassagecomefrom?A．Astorybook. B．Asciencemagazine.C．Asportsnewspaper. D．Amusicposter.41．Whichofthefollowingisthebesttitleforthepassage?A．WorldWaterDay2025B．WhatIsWastewater?C．Wastewater:ProblemsandSolutionsD．HowtoSaveWaterinDailyLife阅读理解ProtectingOurAmazingHomeTheEarthistheonlyplanetweknowthatcansupportlife.Itgivesuscleanair,freshwater,richsoilandalltheresourcesweneedtolive.However,humanactivitiesareputtingourplanetingreatdanger.Climatechangeisoneofthebiggestproblems.TheEarth'stemperatureisrisingbecauseoftoomuchcarbondioxide(CO2)intheair.Thiscomesfromburningfossilfuels(likecoal,oilandgas)forcars,factoriesandelectricity.Risingtemperaturescauseglacierstomelt,sealevelstorise,andmoreextremeweather,suchasheavyrains,droughtsandheatwaves.Pollutionisanotherseriousproblem.Plasticwasteisfillingouroceans,killingseaanimalsandpollutingourfoodchain.Airpollutionfromcarsandfactoriesmakespeoplesick,especiallychildrenandtheelderly.Waterpollutionfromchemicalsandwastemakesriversandlakesunsafetodrinkfrom.Deforestationisalsoabigthreat.Peoplecutdownmillionsoftreeseveryyeartomakespaceforfarms,buildingsandroads.TreesabsorbCO2andproduceoxygen,solosingthemmakesclimatechangeworse.Italsodestroysthehomesofmillionsofanimals,pushingmanyspeciestotheedgeofextinction.ThegoodnewsisthateveryonecanhelpprotecttheEarth.Wecanreduceouruseofplastic,savewaterandelectricity,walkorbikeinsteadofdriving,andplantmoretrees.Smallactionsfromeverypersoncanadduptobigchanges.Let'sworktogethertotakecareofouramazinghome,sothatfuturegenerationscanalsoenjoyahealthyandbeautifulplanet.42．Whatisthemainproblemcausedbyrisingtemperaturesaccordingtothepassage?A．Moreplasticwasteinoceans.B．Meltingglaciersandrisingsealevels.C．Lessoxygenfromtrees.D．Moretreesarebeingcutdown.43．WhichofthefollowingisNOTmentionedasacauseofpollution?A．Burningfossilfuelsforcars.B．Plasticwasteinoceans.C．Chemicalsinwater.D．Plantingtoomanytrees.44．Whatdoestheunderlinedword"deforestation"probablymeaninChinese?A．森林火灾 B．森林砍伐 C．森林保护 D．森林恢复45．WhyaretreesimportanttotheEarthaccordingtothepassage?A．TheycanabsorbCO2andproduceoxygen.B．Theycanstopallextremeweather.C．Theycanmakesealevelslower.D．Theycancleanallplasticwaste.46．Whatisthewriter'smainpurposeinwritingthispassage?A．Tointroducethecausesofclimatechange.B．ToshowthebeautyoftheEarth.C．TocallonpeopletoprotecttheEarth.D．Toexplainthedangersofplasticpollution.阅读理解Shenyangisabeautifulcitywithalonghistory.Itisfamousforitshistoricsitesandlocalfood.TheShenyangImperialPalaceisamust-seespot.ItwasbuiltintheQingDynasty.IthasmanyancientChinesebuildingsandartworks.YoucanlearnaboutthehistoryoftheQingDynastyhere.The20thCenturyMuseumisanothergreatplace.ItshowsthedevelopmentofShenyang.Youcanseemanyoldphotosandexhibits.Don'tforgettotrythelocalfood.Shenyangbraisedporkisverydelicious.Itissoftandtasty.Frieddoughsticksarealsoagoodchoice.IfyoucometoShenyang,I'msureyouwillhaveawonderfultime.47．WhatisShenyangfamousfor?A．Historicsitesandlocalfood.B．OnlytheShenyangImperialPalace.C．Onlylocalfood.D．Beautifullandscapes.48．WhenwastheShenyangImperialPalacebuilt?A．IntheTangDynasty. B．IntheQingDynasty.C．IntheSongDynasty. D．IntheMingDynasty.49．Whatcanyouseeinthe20thCenturyMuseum?A．Ancientartworks. B．Oldphotosandexhibits.C．Manyunusualplants. D．Spicyfood.50．WhatisShenyangbraisedporklike?A．Crispyandsalty. B．Softandtasty.C．Sourandsweet. D．Spicyandhot.51．WhichofthefollowingisTRUE?A．Shenyanghasnobeautifullandscapes.B．The20thCenturyMuseumshowsthefutureofShenyang.C．Shenyangbraisedporkisalocalfood.D．Youcan'tseeancientbuildingsinShenyang.阅读理解WorldHeritageSitesareimportantplacesintheworld.Thereareover1,000suchsitesaroundtheworld.Chinahasthelargestnumberofthem.TheMogaoCavesinDunhuang,GansuisafamousWorldHeritageSite.DunhuangbecameagatewaytotheworldastheSilkRoaddeveloped.Differentculturesmetandinfluencedeachotherthere.YoucanseeamazingartworksandpaintingsshowingdailylifealongtheSilkRoadinsidethecaves.TheTajMahalinIndiaisalsoafamoussite.Itwasbuiltinthe17thcenturybyEmperorShahJahaninmemoryofhiswife.Itiscoveredwithbeautifulwhitestone.Onaclearday,youcanseeitsreflectioninthelongpoolinfrontofit.52．HowmanyWorldHeritageSitesaretherearoundtheworld?A．Lessthan1,000. B．Over1,000.C．Almost300. D．Morethan2,000.53．WherearetheMogaoCaves?A．InHenanProvince. B．InGansuProvince.C．InIndia. D．InSingapore.54．WhatdiddifferentculturesdoinDunhuang?A．Theyfoughtwitheachother.B．Theymetandinfluencedeachother.C．Theybuiltmanytallbuildings.D．Theyopenedmanyschools.55．WhywastheTajMahalbuilt?A．Tobeapalacefortheemperor.B．Toshowthebeautyofwhitestone.C．Toremembertheemperor'swife.D．Tobecomeafamouspark.56．WhatcanyouseeinfrontoftheTajMahalonaclearday?A．Alongpool. B．Manyunusualplants.C．Oldphotos. D．Abigmuseum.阅读理解Ourplanetisgettingsick.Humanactivitiesbringmanyenvironmentalproblems.Waterpollutionisoneofthemostseriousproblems.Everyyear,tonsofplasticrubbishflowsintorivers,lakesandoceans.Seaanimalsoftenmistakeplasticforfoodandlosetheirlives.Somefactoriespourdirtywaterintowaterways,makingthewaterdarkandsmelly.Airpollutionisanotherbigtrouble.Carsandfactoriesproduceharmfulsmoke.Thedirtyairmakespeoplecoughandbringsbadweathersuchasheavysmog.Sandstormsalsotroublenortherncitiesinspring.Luckily,itisnevertoolatetosavetheEarth.Scientistsgivesimpleadvice:savewater,uselessplasticandplantmoretrees.Ordinarypeoplecanalsodoeasysmallthings.Forexample,takereusablebagswhenshopping,turnofflightswhenleavingroomsandneverthrowrubbisheverywhere.Smallactionsfromeveryonecangreatlychangeourplanet.57．Whatdoestheunderlinedword"mistake"meaninthepassage?A．介意 B．误把……当作C．想念 D．处理58．WhichproblemisNOTmentionedinthetext?A．Waterpollution. B．Airpollution.C．Noisepollution. D．Sandstorms.59．WhatcanwedotoprotecttheEarthaccordingtothepassage?A．Usemoreplasticbags. B．Savewaterandplanttrees.C．Drivecarseveryday. D．Throwrubbishintorivers.60．Whatisthebesttitleforthispassage?A．ProtectOurSickEarth B．BeautifulSeaAnimalsC．TheHistoryofSaihanba D．HowtoSaveWater阅读理解FourSeasonsinShenyangShenyangisabeautifulcitywithfourclearseasons.Eachseasonhasitsownbeautyandspecialactivities.SpringinShenyangusuallycomesinlateMarch.Theweatheriswarmandwindy.Thesnowmeltsslowlyandflowersbegintobloom.Manypeopleloveflyingkitesandhavingpicnicsinthepark.Theairisfreshandmakespeoplefeelrelaxed.Summerishotandsometimesrainy.Thereareheavyshowersandthunderstormsinsummer.Kidslovegoingswimmingandeatingicecream.Biggreentreescankeeppeoplecoolonhotsunnydays.Autumnismyfavouriteseason.Itiscoolanddry.Theskyisclearandblue.Mapleleavesturnbrightred.Itisagoodtimeforfamilyoutings.Farmersarebusyharvestingfruitsandvegetables.Winteriscoldandsnowy.Thetemperatureisoftenbelowzero.Peoplewearthickwarmcoats.Childrenenjoymakingsnowmenandhavingsnowballfights.WinterinShenyangisquietandpeaceful.61．WhendoesspringcometoShenyang?A．InearlyMarch. B．InlateMarch.C．InApril. D．InMay.62．WhatistheweatherlikeinsummerinShenyang?A．Coldandsnowy. B．Coolanddry.C．Hotandrainy. D．Warmandwindy.63．Whydoesthewriterlikeautumnbest?A．Becausehecanswimoutside.B．Becausetheweatheriscoolandnice.C．Becauseitoftensnows.D．Becausehecanflykites.64．WhichofthefollowingisTRUEaboutwinterinShenyang?A．Itiswarmandwet.B．Peopleneedtowearthinclothes.C．Childrencanplaywithsnow.D．Therearemanygreenleaves.阅读理解SaihanbaisafamousforestparkinnorthernHebei.Itisabout400kmawayfromBeijing.Hundredsofyearsago,emperorsoftenwenttheretohunt.Butinthe1800s,manythingschanged.Forestfires,warsandpeoplecuttingdowntreesturnedSaihanbaintoadesert.Whentheforestdisappeared,terriblesandstormsbegantohitBeijing.Intheearly1960s,scientistswenttoSaihanbatofindawaytosolvetheproblem.Theyfoundanoldtreeinthedesertandthought,"Wecanstillplanttreeshere."In1962,thefirsttreeplantersarrived.Thecold,dryweatherandstrongwindsmadetheirworkveryhard.Manyyoungtreeswereblownaway,andwintertemperaturescoulddropto-40℃.Threegenerationsofworkerskeptworkinghard.Today,Saihanbaistheworld'slargestman-madeforest.Therearehundredsofmillionsoftreesthere.TheforestnowprovidescleanwaterforBeijing,andtherearefewersandstormsinthearea.In2017,theSaihanbaAfforestationCommunityevenwontheChampionsoftheEarthawardfromtheUNEnvironmentProgramme.65．WhydidSaihanbabecomeadesert?A．Noonelivedthereanymore.B．Forestfires,warsandtree-cuttingdestroyedthetrees.C．Theweatherbecametoohot.D．Toomanyanimalsatealltheplants.66．WhatproblemdidthedesertcauseforBeijing?A．Nocleanwatertodrink. B．Notreestobuildhouses.C．Terriblesandstorms. D．Noplacetohunt.67．WhendidthefirsttreeplantersarriveinSaihanba?A．Inthe1800s B．Intheearly1960sC．In1962 D．In201768．WhatisthemainbenefitoftheSaihanbaforesttoday?A．ItbringsmoretouriststoHebei.B．Itprovidescleanwaterandreducessandstorms.C．Itmakestheweatherwarmerinwinter.D．ItistheonlydesertinChina.阅读理解OurbeautifulEarthisfacingmanyseriousproblems.Everyday,peopledothingsthathurttheplanetindifferentways.First,manyfishermencatchtoomanyfish.Thismakesthenumberoffishintheseasmallerandsmaller.Somefishmayevendisappearoneday.Second,farmersusealotofdangerouschemicals.Thesechemicalsgetintothegroundwaterandmakeitdirty.Peopleandanimalscannotdrinkthecleanwateranymo