2017年高考英语阅读理解训练：生态环保类

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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）Theneedtofeedagrowingpopulationisputtingmuchpressureontheworldssupplyofwater.With97%oftheworld'swatertoosaltytobedrunkorusedinagriculture,theworldwidesupplyofwaterneedscarefulmanagement,especiallyinagriculture・Althoughtheideaofawatershortage（短缺）seemsstrangetosomeon

2、efortunateenoughtoliveinahighrainfallcountiymanyoftheworld'sagriculturalindustriesexperieneeconstantwatershortages・Althoughdamscanbebuilttostorewaterforagriculturaluseindryareasanddryseasons,thecostsofwaterredistribution（重新分配）areveryhigh.Notonlyistherethecostoftheengineeringitself,butthereisalsoanen

3、vironmentalcosttobeconsidered・Wherevalleys（山谷）arefloodedtocreatedams,housesarelostandwildlifehomesdestroyed・Besides,watermayfloweasilythroughpipestofields,butitcannotbetransportedfromonesideoftheworldtotheother.Eachcountrymustthereforerelyonthemanagementofitsownwatertosupplyitsfarmingrequirements.Th

4、isisparticularlytroublingforcountrieswithagriculturalindustriesinareasdependentonirrigation（灌j既）•InTexas,farmers*overuseofirrigationwaterhasresultedina25%reductionofthewaterstores・IntheCentraIValleyareaofsouthwesternUSA,ahugewaterengineeringprojectprovidedwaterforfarmingindryvalleys,butmuchofthewate

5、rusehasbeenpoorlymanaged.SaudiArabia'sattemptstogrowwheatindesertareashaveseenthepumpingofhugequantitiesofirrigationwaterfromundergroundreserves.Becausethereisnorainfallintheseareas,suchreservescanonlydecrease,anditisbelievedthatfiftyyearsofpumpingwillseethemrundry.1.Fromthefirsttwoparagraphswelearn

6、that・A.muchoftheworld'swaterisavailableforuseB.peopleinhighrainfallcountriesfeelluckyC・thecostsofwaterredistributionshouldbeconsideredD.watercanbeeasilycarriedthroughpipesacrosstheworld2.WhichofthefollowingisTRUE?A.ThewaterstoresinTexashavebeenreducedby75%・B.Mostindustriesintheworldsufferfromwatersh

7、ortages・C・TheundergroundwaterinSaudiArabiamightrunoutin50years.D.GoodmanagementofwateruseresultedfromtheprojectintheCentralValley.1.Whatismostlikelytobediscussedintheparagraphthatfollows?A.Stepstoimpr