2014高考英语二轮阅读理解精英训练精品题(25)

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1、2014高考英语阅读理解精英训练二轮精品题（25）及答案阅读理解Seenfromspacetheearthiscoveredwithabluemantle.Itisaplanetonwhichthecontinents(洲，大陆)aredwarfed(相形见绌)bytheoceansurroundingthemandthevastnessofthemarine(海洋的)area.Anastonishing80percentofalllifeonearthistobefoundhiddenbeneaththewavesandthisvastglobaloc

2、eandrivesthenaturalforceswhichkeeplifeonourplanet.Theoceanprovidesnecessarysourcesofprotein,energy,mineralsandotherproductsandtherollingoftheseaacrosstheplanetcreatesoverhalfouroxygen,drivesweathersystemsandnaturalflowsofenergyandnutrientsaroundtheworld,transportswatermassesmanyt

3、imesgreaterthanalltheriversonlandcombinedandkeepstheearthsuitableforlivingthingstosurvive.Withouttheglobaloceantherewouldbenolifeonearth.Itisseriouslyworrying,then,thatwearedamagingtheoceanonalevelthatisunimaginabletomostpeople.Wenowknowthathumanactivitycanhaveaseriousinfluenceon

4、thevitalforcesofourplanet.Wehavefundamentallychangedourglobalclimateandarejustbeginningtounderstandtheconsequencesofthat.Asyetlargelyunseen,butjustasserious,aretheinfluenceswearehavingontheocean.Ahealthyoceanhasdiverseecosystemsandstrongandhealthyhabitats.Theactualstateofourocean

5、isafarcryfromthisnaturalstate.Alotofpressureisbeingputdirectlyandindirectlyonoceanecosystemsbyhumanactivities. Consequentlyecosystemsarebreakingdownasmarinespeciesareindangerofdyingoutandoceanhabitatsarebeingdestroyed.Withthedecreaseintheirdiversity,oceanecosystemsarelosingtheirn

6、aturalwayofrecovery. Weneedtodefendtheoceannowmorethanever,becauseclimatechangeishavingapotentiallydisastrousimpactonthemarineworld.1、.WhatcanwelearnfromParagraph2? A.Whattheoceanlookslike. B.Whattheoceanismadeup-9-of. C.Whatliveintheocean.  D.Whatfunctionstheoceanhas.2、.Accordin

7、gtothetext,theoceandirectlyprovidespeoplewith____. A.waterformingriversB.comfortablehabitatsC.allthenaturalforcestheyneedD.drivingforcesforenergyandnutrients3、.Itisnotrealizedbymanypeoplethatwehave____. A.donegreatharmtotheocean    B.benefitedgreatlyfromtheocean C.fundamentallych

8、angedourglobalclimateD.beguntosufferthec