高考英语专项复习题9

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1、高三英语专项复习题：Unit9Savingtheearth一、完形填空Scientistssaythatsomethingveryseriousishappeningtotheearth.Itwillbegintoget  1  inthe1990s.Therewillbemajorchangesin  2  duringthenextcentury.Coastalwaterswillhavea  3  temperature.Thiswillhavea  4  effectonagriculture.Innortherna

2、reas,the  5  seasonwillbetendays  6  bytheyear.However,in  7  areas,itwillbetoodry.The  8  ofwatercoulddecreasebyeightypercent.Thiswould  9  alargedecreasein 10  production.Worldtemperaturecould  11  twodegreescentigradebytheyear.However,theincreasecouldbethreetime

3、s  12  greatintheArcticandAntarcticareas.Thiscouldcausethe  13  sheetstomeltandraisethe  14  oftheoceans  15 onetotwometres.Manycoastalcitieswouldbe  16  water.Whyisthishappening?Therearctoo  17  carbondioxide(二氧化碳)intheair.18 oil,gasandcoalburn,theycreatelarge  19

4、  ofcarbondioxide.Thiscarbondioxidelets  entertheEarth'satmosphereand  21  theEarth.However,itdoesn'tletasmuchheat  22  theatmosphereandenterspace.It's  23  ablanket.Theheat  24  thesuncanpassthroughtheblankettowarmtheEarth.Theheat  25  thereandcan'tescapethroughth

5、eblanketagain.Scientistscallthisthegreenhouseeffect.1.A.warmerB.colderC.betterD.worse2.A.land B.liveC.climateD.weather3.A.lowerB.higher      C.normal      D.proper4.A.good B.general     C.serious      D.useful5.A.hotB.cold        C.autumn     D.growing6.A.longerB.s

6、horter C.busier     D.moreimportant7.A.colderB.warmer     C.higher      D.lower8.A.much B.many      C.amount     D.number9.A.leadB.keep       C.make        D.cause10.A.oilB.industrial   C.agricultural  D.coal11.A.increaseB.drop        C.lift           D.be12.A.more

7、B.as          C.much       D.less13.A.water B.rain         C.solid         D.ice14.A.degreeB.level        C.coast        D.area15.A.byB.to          C.of           D.with16.A.aboveB.under      C.in           D.over17.A.littleB.many       C.few         D.much18.A.IfB

8、.Because    C.When       D.Why19.A.amount B.amounts    C.deal        D.quantityA.sunlightB.air          C.carbondioxide D.gas21.A.cold B.protect