2012年高考英语阅读理解训练之生态环保类.doc

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1、2012年高考英语阅读理解训练：生态环保类　　(一)(2010·安徽高考)　　Theneedtofeedagrowingpopulationisputtingmuchpressureontheworld'ssupplyofwater.With97%oftheworld'swatertoosaltytobedrunkorusedinagriculture,theworldwidesupplyofwaterneedscarefulmanagement,especiallyinagriculture.Althoughtheidea

2、ofawatershortage(短缺)seemsstrangetosomeonefortunateenoughtoliveinahighrainfallcountry,manyoftheworld'sagriculturalindustriesexperienceconstantwatershortages.　　Althoughdamscanbebuilttostorewaterforagriculturaluseindryareasanddryseasons,thecostsofwaterredistribution(重

3、新分配)areveryhigh.Notonlyistherethecostoftheengineeringitself,butthereisalsoanenvironmentalcosttobeconsidered.Wherevalleys(山谷)arefloodedtocreatedams,housesarelostandwildlifehomesdestroyed.Besides,watermayfloweasilythroughpipestofields,butitcannotbetransportedfromones

4、ideoftheworldtotheother.Eachcountrymustthereforerelyonthemanagementofitsownwatertosupplyitsfarmingrequirements.　　Thisisparticularlytroublingforcountrieswithagriculturalindustriesinareasdependentonirrigation(灌溉).InTexas,farmers'overuseofirrigationwaterhasresultedina

5、25%reductionofthewaterstores.IntheCentralValleyareaofsouthwesternUSA,ahugewaterengineeringprojectprovidedwaterforfarmingindryvalleys,butmuchofthewaterusehasbeenpoorlymanaged.　　SaudiArabia'sattemptstogrowwheatindesertareashaveseenthepumpingofhugequantitiesofirrigati

6、onwaterfromundergroundreserves. Becausethereisnorainfallintheseareas,suchreservescanonlydecrease,anditisbelievedthatfiftyyearsofpumpingwillseethemrundry.　　1.Fromthefirsttwoparagraphswelearnthat________.　　 A.muchoftheworld'swaterisavailableforuse　　 B.peopleinhighrai

7、nfallcountriesfeellucky　　C.thecostsofwaterredistributionshouldbeconsidered　　 D.watercanbeeasilycarriedthroughpipesacrosstheworld　　2.Whichofthefollowingis10TRUE?　　 A.ThewaterstoresinTexashavebeenreducedby75%.　　 B.Mostindustriesintheworldsufferfromwatershortages.　　 C

8、.TheundergroundwaterinSaudiArabiamightrunoutin50years.　　 D.GoodmanagementofwateruseresultedfromtheprojectintheCentralValley.　　3.Whatismostlikelyt