2017年大学英语四级阅读寒假练习题(28)思维导图

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2017年大学英语四级阅读寒假练习题(28)思维导图

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　　英语四级阅读理解是英语四级考试中的重点部分，而随着时代的发展，英语四级中的阅读题型也在不断更替改变，下面是新东方网考研频道英语四级频道为大家整理的英语四级阅读寒假练习题，希望可以为大家带

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英语四级阅读理解是英语四级考试中的重点部分，而随着时代的发展，英语四级中的阅读题型也在不断更替改变，下面是新东方网考研频道英语四级频道为大家整理的英语四级阅读寒假练习题，希望可以为大家带来帮助。

Questions21to25arebasedonthefollowingpassage:

Everyyear100millionholiday—makersaredrawntotheMediterranean.Withonethirdoftheworld'stouristtrade,itisthemostpopularofalltheholidaydestinations;itisalsothemostpolluted.Ithasonly1percentoftheworld'sseasurface,butcarriesmorethanhalftheoilandtarfloatingonthewaters.ThousandsoffactoriespourtheirpoisonintotheMediterranean,andalmosteverycity,townandvillageonthecoastsendsitssewage,untreated,intothesea.

TheresultisthattheMediterranean,whichnurturedsomanycivilizations,isgravelyill—thefirstoftheseastofallvictimtotheabilitiesandattitudesthatevolvedaroundit.Andthepollutiondoesnotmerelykeepbacklifeofthesea—itthreatensthepeoplewhoinhabitandvisititsshores.

Themournfulformofdiseaseiscausedbysewage.EightyfivepercentofthewastefromtheMediterranean's120coastalcitiesispushedoutintothewaterswheretheirpeopleandvisitorsbatheandfish.Whatismore,mostcitiesjustdropitinstraightoffthebeach;rareindeedaretheplaceslikeCannesandTelAvivwhichpipeitevenhalfamileoffshore.

Notsurprisingly,vastareasoftheshallowsareawashwithbacteriaanditdoesn'ttakelongforthesetoreachpeople.ProfessorWilliamBrumfittoftheRoyalFreeHospitaloncecalculatedthatanyonewhogoesforaswimintheMediterraneanhasaoneinsevenchanceofgettingsomesortofdisease.Otherscientistssaythisisanoverestimate;butalmostallofthemagreethatbathersareatrisk.Industryaddsitsownpoisons.Factoriesclusterroundthecoastline,andeventhemostmodernrarelyhasproperwastetreatmentplant.Theydoasmuchdamagetotheseaassewage.ButthegoodnewsisthatthecountriesoftheMediterraneanhavebeencomingtogethertoworkouthowtosavetheircommonsea.

21.ThecausesoftheMediterranean'spollutionis____.

A)theoilandtarfloatingonthewater

B)manyfactoriesputtheirpoisonintothesea

C)untreatedsewagefromthefactoriesandcoastalcities

D)therearesomesortsofdiseasesinthesea

22.Whichoffollowingconsequenceofapollutedseaisnottrueaccordingtothepassage?

A)Bringupsomanycivilizations.

B)Variousdiseasesinthesea.

C)Itthreatenstheinhabitantsandtravelers.

D)Oneinsevenchanceofgettingsomesortofdiseaseswimminginthesea.

23.Theword“sewage”referto____.

A)poisonB)wasteC)liquidmaterialD)solidmaterial

24.Whydoesindustrydomuchdamagetothesea?

A)Becausemostfactorieshaveproperwastetreatmentplants.

B)Becausemanyfactorieshavenotproperwastetreatmentplantseventhemostmodernone.

C)Becausejustthemodernfactoryhasawastetreatmentplant.

D)Becauseneitherordinaryfactoriesnormostmodernoneshaveproperwastetreatmentplants.

25.Whatisthepassagemainlyabout?

A)Savetheworld.

B)HowthepeopleliveintheMediterraneansea.

C)Howtheindustrydangersthesea.

D)Bewarethedirtysea.

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