2010届高三英语专项复习题：unit 9 saving the earth

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1、2010届高三英语专项复习题：Unit9Savingtheeartha第二j教育{资:源网v　　2010届高三英语专项复习题：Unit9Savingtheearth　　一、完形填空　　Scientistssaythatsomethingveryseriousishappeningtotheearth.Itwillbegintoget1inthe1990s.Therewillbemajorchangesin2duringthenextcentury.Coastalwaterswillhavea3temperature.Thiswillhavea4e

2、ffectonagriculture.Innorthernareas,the5seasonwillbetendays6bytheyear2000.However,in7areas,itwillbetoodry.The8ofwatercoulddecreasebyeightypercent.Thiswould9alargedecreasein10production.　　Worldtemperaturecould11twodegreescentigradebytheyear2040.However,theincreasecouldbethreetimes

3、12greatintheArcticandAntarcticareas.Thiscouldcausethe13sheetstomeltandraisethe14oftheoceans15onetotwometres.Manycoastalcitieswouldbe16water.　　Whyisthishappening?Therearctoo17carbondioxide(二氧化碳)intheair.18oil,gasandcoalburn,theycreatelarge19ofcarbondioxide.Thiscarbondioxidelets20

4、entertheEarth’satmosphereand21theEarth.However,itdoesn’tletasmuchheat22theatmosphereandenterspace.It’s23ablanket.Theheat24thesuncanpassthroughtheblankettowarmtheEarth.Theheat25thereandcan’tescapethroughtheblanketagain.　　Scientistscallthisthegreenhouseeffect.　　1.A.warmer　　B.colde

5、r　　C.better　　D.worse　　2.A.land　　B.live　　C.climate　　D.weather　　3.A.lower　　B.higherC.normalD.proper　　4.A.good　　B.generalC.seriousD.useful　　5.A.hot　　B.coldC.autumnD.growing　　6.A.longer　　B.shorterC.busierD.moreimportant　　7.A.colder　　B.warmerC.higherD.lower　　8.A.much　　B.manyC.amountD

6、.number　　9.A.lead　　B.keepC.makeD.cause　　10.A.oil　　B.industrialC.agriculturalD.coal　　11.A.increase　　B.dropC.liftD.be　　12.A.more　　B.asC.muchD.less　　13.A.water　　B.rainC.solidD.ice　　14.A.degree　　B.levelC.coastD.area　　15.A.by　　B.toC.ofD.with　　16.A.above　　B.underC.inD.over　　17.A.littl

7、e　　B.manyC.fewD.much　　18.A.If　　B.Because&nb　　高三英语高三英语复习题