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内蒙古集宁一中（西校区）2020届高三上学期第一次月考英语试题WORD版含解析.doc

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集宁一中西校区2019-2020学年第一学期第一次月考高三年级英语试题试卷分I卷（选择题）和П卷（非选择题）两部分，满分120分。第I卷第一节阅读理解（每小题2分，满分30分）AArainforestisanareacoveredbytalltreeswiththetotalhighrainfallspreadingquiteequallythroughtheyearandthetemperaturerarelydippingbelowl6℃.Rainforestshaveagreateffectontheworldenvironmentbecausetheycantakeinheatfromthesunandadjusttheclimate.Withouttheforestcover，theseareaswouldreflectmoreheatintotheatmosphere，warmingtherestoftheworld.Losingtherainforestsmayalsoinfluencewindandrainfallpatterns，potentiallycausingcertainnaturaldisastersallovertheworld.Inthepasthundredyears，humanshavebegundestroyingrainforestsinsearchofthreemajorresources（资源）：landforcrops，woodforpaperandotherproducts，landforraisingfarmanimals.Thisactionaffectstheenvironmentasawhole.Forexample，alotofcarbondioxide（二氧化碳）intheaircomesfromburningtherainforests.Peopleobviouslyhaveaneedfortheresourceswegainfromcuttingtreesbutwewillsuffermuchmorethanwewillbenefit.Therearetwomainreasonsforthis.Firstly，whenpeoplecutdowntrees，generallytheycanonlyusethelandforayearortwo.Secondly，cuttinglargesectionsofrainforestsmayprovideagoodsupplyofwoodrightnow，butinthelongrunitactuallyreducestheworld’swoodsupply.Rainforestsareoftencalledtheworld’sdrugstore.Morethan25％ofthemedicinesweusetodaycomefromplantsinrainforests.However，fewerthanl％ofrainforestplantshavebeenexaminedfortheirmedicalvalue.Itisextremelylikelythatourbestchancetocurediseasesliessomewhereintheworld’sshrinkingrainforests.1.RainforestscanhelptoadjusttheclimatebecausetheyA.reflectmoreheatintotheatmosphereB.bringabouthighrainfallthroughouttheworldC.rarelycausethetemperaturetodroplowerthanl6℃D.reducetheeffectofheatfromthesunontheearth2.Whatdoestheword“this”underlinedinthethirdparagraphreferto?A.Wewilllosemuchmorethanwecangain.B.Humanshavebegundestroyingrainforests.C.Peoplehaveastrongdesireforresources.D.Muchcarbondioxidecomesfromburningrainforests.3.ItcanbeinferredfromthetextthatA.wecangetenoughresourceswithoutrainforestsB.thereisgreatmedicinepotentialinrainforestsC.wewillgrowfewerkind