电大网考英语B四、完形填空.doc

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1、电大英语B网考—完形填空第四部分完形填空passage1Thepopulationproblemmaybethe___1___oneoftheworldtoday.Theworld’spopulationisgrowing___2__.Twothousandyearsago,therewereonly250millionpeople___3___theearth.Fourhundredyearsago,thenumberwas__4__500million.Butatthebeginningofthe__5__century,theworld’spopula

2、tionwasabout1700million.In1970,thisnumberwas3600million.In1990,thenumberwasfivebillion.A__6__reportsaysthattheworldpopulationwill__7__sixbillionbytheendofthe20thcentury.Thisisjustten__8__afterit__9__fivebillion.Peoplesaythatbytheyear2010,__10__maybesevenbillion.1.A.greatB.greaterC.

3、greatestD.greating2.A.fasterandfasterB.fastandfastC.fastestandfastestD.fasterandfast3.A.inB.onC.atD.for4.A.closeB.moreC.almostD.over5.A.twentyB.twelveC.twentiethD.twelfth6.A.USAB.UNC.PRCD.PLA7.A.pastB.passC.passedD.passes8.A.weeksB.monthsC.seasonsD.years9.A.getB.getsC.reachedD.reac

4、h10.A.thisB.itsC.oneD.itkey：CABDCBBDCDpassage2Youmaythinkthereisonlysandinthedesertoftheworld,butitisnottrue.Inthedesert,asweknow,thereisalittle__1__anditisnot__2__formostplants.Stillwecanseesomeplantsliveinthedesert.Thereis__3__insomeplacesinthedeserts.Wecalltheseplacesoases(绿洲).I

5、nthoases,therearevillagesandtowns.Peoplegrowallkindsofvegetablesandriceinthefieldsthere.People__4__liveoutsidetheoases.Theyhavecamels,sheepandotheranimals.Theseanimalslive__5__thedesertplantsfortheirfoodanddonotneedanywater.Theanimalsareusefultothedesertpeopleinmanyways.Theyeatthe_

6、_6__anddrinkthemilkofanimals.They__7__thecamelsforcarryingwater,foodandsomethingelse.Thepeopleofthedeserthavetokeep__8__fromplacetoplace.Theymustalwayslook__9__grassordesertplantsfortheiranimals.Whenthereisnomorefoodfortheiranimals,theymovetoanotherplace.Thedesertpeopleare__10__.Ev

7、eryoneinthedesertlikestohelpthepeopleintroubleandgivethemfoodandwater.1.A.rainB.rainsC.windD.winds2.A.goodB.goodenoughC.enoughgoodD.enough3.A.earthB.plantsC.woodD.water4.A.alsoB.tooC.eitherD.still5.A.onB.withC.ofD.by6.A.mealB.meatC.bodyD.food7.A.letB.makeC.driveD.use6电大英语B网考—完形填空l电

8、大英语B网考—完形填空8.A.walkingB.ca