2015届高考英语第一轮阅读理解复习学案32

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1、安徽省安庆市第一中学2015高考英语阅读理解一轮巩固训练（4）答案阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。Theneedtofeedagrowingpopulationisputtingmuchpressureontheworld’ssupplyofwater.With97%oftheworld’swatertoosaltytobedrunkorusedinagriculture,theworldwidesupplyofwaterneedscarefulmanagement,especiallyinagriculture.Althoughtheideao

2、fawatershortage(短缺)seemsstrangetosomeonefortunateenoughtoliveinahighrainfallcountry,manyoftheworld’sagriculturalindustriesexperienceconstantwatershortages.Althoughdamscanbebuilttostorewaterforagriculturaluseindryareasanddryseasons,thecostsofwaterredistribution(重新分配)areveryhigh.Notonlyistheretheco

3、stoftheengineeringitself,butthereisalsoanenvironmentalcosttobeconsidered.Wherevalleys(山谷)arefloodedtocreatedams,housesarelostandwildlifehomesdestroyed.Besides,watermayfloweasilythroughpipestofields,butitcannotbetransportedfromonesideoftheworldtotheother.Eachcountrymustthereforerelyonthemanagement

4、ofitsownwatertosupplyitsfarmingrequirements.Thisisparticularlytroublingforcountrieswithagriculturalindustriesinareasdependentonirrigation(灌溉).InTexas,farmers’overuseofirrgationwaterhasresultedina25%reductionofthewaterstores.IntheCentralValleyareaofsouthwesternUSA,ahugewaterengineeringprojectprovi

5、dedwaterforfarmingindryvalleys,butmuchofthewaterusehasbeenpoorlymanaged.SaudiArabia’sattemptstogrowwheatindesertareashaveseenthepumpingofhugequantitiesofirrigationwaterfromundergroundreserves.Becausethereisnorainfallintheseareas,suchreservescanonlydecrease,anditisbelievedthatfiftyyearsofpumpingwi

6、llseethemrundry.1.Fromthefirsttwoparagraphswelearnthat　　　.　A.muchoftheworld’swaterisavailableforuseB.peopleinhighrainfallcountriesfeelluckyC.thecostsofwaterredistributionshouldbeconsideredD.watercanbeeasilycarriedthroughpipesacrosstheworld2.Whichofthefollowingistrue?A.ThewaterstoresinTexashavebee

7、nreducedby75%.B.Mostindustriesintheworldsufferfromwatershortages.C.TheundergroundwaterinSaudiArabiamightrunoutin50years.D.GoodmanagementofwateruseresultedfromtheprojectintheCentralValley.3.Whatismostlikelytobediscussed