資源描述：
《專(zhuān)轉(zhuǎn)本模擬十》由會(huì)員上傳分享，免費(fèi)在線(xiàn)閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、全真模擬試題（十）第一卷（共70分）PartIReadingComprehension(40%35minutes)Directions:Inthisparttherearefourpassages.Eachpassageisfollowedbyanumberofcomprehensionquestions.Readthepassageandchoosethebestanswertoeachquestion.Then,markyouranswerbyblackeningthecorrespondingletterontheAnswerSheet.Quest
2、ions1to5arebasedonthefollowingpassage:Agreenhouseisabuildingmadeofglasswhichisusedforkeepingplantswarmwhentheoutsidetemperatureislow.Inasimilarwaythereareseveralgasesintheatmosphere,whichtraptheheatproducedbythesunandpreventitfromescaping.Thesegasesareknownas“greenhousegases”,and
3、thewayinwhichtheytrapheatintheatmosphereiscalledthe“greenhouseeffect”.Thisisnotsimplyairpollution.Mostofthemaingreenhousegasesexistnaturallyinsmallamountsinouratmosphere,andwithoutthemearthwouldbe30degreescolderandhumanlifewouldnotexist.Inotherwords,thegreenhouseeffectisanaturalc
4、oursewhichistosomedegreehelpfultous.Theproblemisthatinthelastcenturyandahalf,wehavebeenputtingtoomanyofthesegasesintotheearth’satmospherebyburninglargequantitiesofcoalandoilandbycuttingdownforests.Therapidincreaseingreenhousegasesismakingtheworldwarmer.Theworld’stemperaturehasalr
5、eadygoneupbyhalfadegreethiscentury,andthesealevelhasrisenby10centimeters.Iftheamountofcarbondioxideintheatmospheredoublestherewillprobablybeariseintheearth’stemperatureofbetween1and4.Thismayseemasmallincrease,butitwouldbeenoughtocausemajorchangesingeographyandagriculture.Largeare
6、asoftheworldwouldbeflooded,andsomeareaswouldbecomedryandunabletoproducecrops.Itisimportant,too,toconsiderthattheremaybeadelayofabout30yearsinthegreenhouseeffect.Thismeansthatweareprobablyexperiencing209onlynowtheeffectofthegasesputintotheatmospherebeforethe1960s.Sincethen,ouruseo
7、fthesegaseshasgreatlyincreased.1.“Greenhouseeffect”means________. A.thewayinwhichgasesareusedforkeepingplantswarm B.anaturalcoursewhichistosomedegreehelpfultous C.theway“greenhousegases”trapheatontheearth D.thewholecourseinwhichgreenhousegasespreventheat2.Iftherewerenogreenhousee
8、ffect,________. A.noplantswouldgrowonour
