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卷 WORD版含答案.doc

英语试题
试卷分=1\*ROMANI卷（选择题）和П卷（非选择题）两部分，满分120分。

第=1\*ROMANI卷
第一节阅读理解（每小题2分，满分30分）
A
Arainforestisanareacoveredbytalltreeswiththetotalhighrainfallspreadingquiteequallythroughtheyearandthetemperaturerarelydippingbelowl6℃．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.Rainforestscanhelptoadjusttheclimatebecausethey．
A.reflectmoreheatintotheatmosphere
B.bringabouthighrainfallthroughouttheworld
C.rarelycausethetemperaturetodroplowerthanl6℃
D.reducetheeffectofheatfromthesunontheearth
2.Whatdoestheword“this”underlinedinthethirdparagraphreferto?
A.Wewilllosemuchmorethanwecangain．
B.Humanshavebegundestroyingrainforests．
C.Peoplehaveastrongdesireforresources．
D.Muchcarbondioxidecomesfromburningrainforests．
3.Itcanbeinferredfromthetextthat.
A.wecangetenoughresourceswithoutrainforests
B.thereisgreatmedicinepotentialinrainforests
C.w