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1、CollegeEnglishTestPartIReadingComprehension(30%)Directions:Therearethreepassagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements・ForeachofthemtherearefourchoicesmarkedA,B,C,andD.Youshoulddecideonthebestchoiceandmarkthecorrespondingletteront
2、heAnswerSheetwithasinglelinethroughthecenter.Passage1(Questions1-5arebasedonthispassage)Treesareusefultomaninthreeimportantways:theyprovidehimwithwoodandotherproducts;theygivehimshade;andtheyhelptopreventdroughtsandfloods.Unfortunately,inmanypartsoftheworld,man
3、hasnotrealizedthatthethirdoftheseservicesisthemostimportant.76)Inhiseagernesstomakemoneyfromtrees、hehascutthemdowninlargenumbers,onlytofindthatwithoutthemhehaslostthebestfriendshehad.Andbesides,heisusuallytoocarelesstoplantandlookafternewtrees.Sotheforestsslowl
4、ydisappear.Thisdoesnotonlymeanthatmanwillhavefewertrees・Theresultsareevenmoreserious:forwheretherearetrees,theirrootsbreakupsoil■--allowingtheraintosinkin---andalsobindthesoil,thuspreventingitfrombeingwashedawayeasily;butwheretherearenotrees,therainfallsonhardg
5、roundandflowsaway,causingfloodsandcarryingawaytherichtop-soil.Whenallthetop-soilisgone,nothingremainsbutworthlessdesert・Twothousandyearsagoarichandpowerfulcountrycutdownitstreestobuildwarships,withwhichtogainitselfanempire.Itsetuptheempirebut,withoutitstrees,it
6、ssoilbecamepooranditgrewweak.Whentheempirefelltopieces,thehomecountryfounditselffacedwithfloodsandstarvation.1.Whatisthemostimportantserviceoftreestomanaccordingtothepassage?A.Theyhelphimmakemoney.口B.Theygivehimwoodandotherproducts口C.Theyhelphimpreventdroughts
7、andfloods.口D.Theygivehimshade.2.Whydoforestsinmanypartsoftheworldslowlydisappear?njA.Newtreesarenotlookedafterproperly.njB・Manytreeshavebeencutdownbyman.n匸C.Manhasnotpaidenoughattentiontoplantingtrees.口D.Alloftheabove.3・Whydidthecountrymentionedinthepassagesuff
8、erfromfloodsandstarvation?njA・Becauseanempirewassetup.njB•Becausetheempirefelltopieces.njC.Becauseitlostallitstrees・niD.Becausetoomuchhadbeenspentonwars.4.Whydoeslandbecomed