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中考英语：阅读理解优编题（10）含答案【实战训练】A（2019中考科普环保类选练）TheWorld’sWaterShortageTheworldisnotonlyhungry,butitisalsothirstyforwater.Thismayseemstrangetoyou,sincenearly70percent（百分比）oftheearth’ssurfaceiscoveredwithwater.Butabout97percentofthishugeamountisseawater,orsaltwater.Mancanonlydrinkandusetheother3percent－thefreshwaterfromrivers,lakes,underground,andothersources（资源）.Andwecannotevenuseallofthat,becausesomeofitisintheformoficebergsandglaciers（冰川）.Evenworse,someofithasbeenpolluted.However,asthingsstandtoday,thissmallamountoffreshwaterisstillenoughforus.Butourneedforwaterisincreasing（增加）rapidly－almostdaybyday.Onlyifwetakestepstodealwiththisproblemnowcanweavoid（避免）asevere（严重的）worldwidewatershortagelateron.Weallhavetolearnhowtostopwastingourvaluablewater.Oneofthefirststepsistodevelopwaysofreusingit.Todayinmostlargecities,waterisusedonlyonceandthensentoutintoasewersystem（下水道）.Fromthereitreturnstotheseaorrunsintoundergroundstoragetanks.Butitispossibletopipeusedwatertoapurifying（净化）plant.Thereitcanbetreatedwithchemicalssothatitcanbeusedagain,justasifitwerefreshfromaspring.Butevenifeverylargecitypurifiedandreuseditswater,westillwouldnothaveenough.Allwe’dhavetodotomakeuseofthevastreserves（贮备）ofseawaterintheworldistoremovethesalt.Ifwetakethesestepswe’llbeinnodangerofdryingup.1.Theworldisthirstyforwaterbecausewecanonlyuse_________percentofthewatercoveringthesurfaceoftheearth.A.3B.morethan3C.lessthan3D.972.WhichofthefollowingstatementsisNottrue?A.Asthingsremainunchanging,thissmallamountoffreshwaterisstillenoughforus.B.Ourneedforwaterisbecominglargerandlarger.C.Therewillbenowatershortageinthefuture.D.Weshouldtakestepstodealwiththewatershortageproblem.3.Toreusewater,weshould__________.A.treatitwithchemicalsB.useitonlyonceC.senditoutintoasewersystemD.makeitflowintoundergroundtanks4.Inordertohaveenoughwater,weshouldalsomakeuseof_________.A.icebergsandglaciersB.seawaterC.riversandlakeD.undergroundwater5.Inthepassage,thewritertellsus________.A.tomakeenoughwaterB.topaymoreattentiontothewatershortageproblemC.topipeusedwatertoapurifyingplantD.toreusethewater参考答案CCABB【实战训练】BWhenwethinkofHollywood,wethinkoffilmsandfamousfilmstars.TheyarepartofHollywood'shistory.Todaypeoplemakefilmsinotherplacestoo.NotallfamousfilmstarsliveinHollywood.ButHollywoodisstillaveryspecialcityinLosAngeles,California.YoucaneasilyseewhereHollywoodisinLosAngeles.Thereisabigsingonthehills.ItsaysHOLLYWOOD.Thewhitelettersarefiftyfeettall.Youcanseethesighfromfaraway.TheHollywoodsignisafamousHollywoodlandmark(标记)inLosAngeles.ManypostcardsshowthisfamousHollywoodlandmark.InthehillsofHollywood,thereisalsotheHollywoodBowl.Thisisanopen-airtheater.Itisoneofthelargestopen-airtheatersintheworld.Ithasseventeenthousandseatsandaverydifferentstage(演奏台).Thedesign(设计)ofthestagewasbyagreatAmericannamedFrankLloydWright.Youcanlistentoallkindsofconcerts(音乐会)attheHollywoodBowl.1.Thebesttitle(标题)forthereadingshouldbe____.(A)Hollywood(B)FamousfilmAndFilmStars(C)TheHistoryofHollywood(D)FamousHollywoodSign2.Welearnfromthereadingthat____.(A)HOLLYWOODcanjustbeseenfromfaraway(B)Hollywoodisnowaplaceonlyfortravellers(C)allthefilmsaremadeinHollywood(D)HollywoodisonepartinLosAngeles.3.Thewordspecialinthereadingmeans____.(A)new(B)rich(C)famous(D)unusual4.AttheHollywoodBowl____.(A)allpostcardsaremade(B)only700peoplecangettogether(C)musiccanbeenjoyed(D)youcanhardlylistentodifferentkindsofconcerts5.Itseemsthat____.(A)Somefamousfilmstarsdon'tchoosetoliveinHollywood(B)filmstarsdon'tthinkHollywoodagoodplacetomakefilm(C)theHollywoodBowlislargestthananyotheropen-airtheaterintheworld(D)theHollywoodBowlisahillinHollywood.参考答案1.A2.D3.D4.C5.A【实战训练】C“InonlysixdaysIlostsevenpoundsofweight.”“Twofullinchesinthefirstthreedays!”Thesearethekindsofstatementsusedinmagazine,newspaper,radioandtelevisionads,promisingnewshapesandnewlookstothosewhobuythemedicineorthedevice.Thepromotersofproductssaytheycanshapethelegs,slimtheface,smoothwrinkles,orinsomeotherwaytobeautyordesirability.Oftensuchproductsarenothingmorethanmoney-makingthingsfortheirpromoter.Theretheyproducearequestionable,andsomearedangeroustohealth.Tounderstandhowtheseproductscanbelegallypromotedtothepublic,itisnecessary?Understandsomethingofthelawscoveringtheirregulation.Iftheproductisadrug,FDA（FoodDrugAdministration）canrequireproof（证明）undertheFood,Drug,andCosmeticActthatsafeandeffectivebeforeitisputonthemarket.Butiftheproductisadevice,FDA.hasnoauthortorequirepremarketingproofofsafetyoreffectiveness.Ifaproductalreadyonthemarkerdangertohealth,FDA.canrequesttheproducerordistributortoremoveitfromtheavoluntarily,oritcantakelegalaction,includingseizure（查封）oftheproduct.OnenotablecaseafewyearsagoinvolvedanelectricaldevicecalledtheRelaxacisor,hadbeensoldforreducingthewaistline.TheRelaxacisorproducedelectricalshockstothe##throughcontactpads.FDA.tooklegalactionagainstthedistributortostopthesaleofthe##thegroundsthatitwasdangeroustohealthandlife.Olwionsly,mostofthedevicesonthemakerneverbeenthesubjectofcourtproceedings（法律诉讼）,andnewdevicesappearcontinually,Beforebuying,itisuptotheco