2013高考英语二轮 阅读理解金品训练（02）.doc

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1、2013高考英语二轮（阅读理解）金品训练（02）及答案Arainforestisanareacoveredbytalltreeswiththetotalhighrainfallspreadingquiteequallythroughtheyearandthetemperaturerarelydippingbelow16℃.Rainforestshaveagreateffectontheworldenvironmentbecausetheycantakeinheatfromthesunandadjusttheclimate.Withouttheforestcover,the

2、seareaswouldreflectmoreheatintotheatmosphere，warmingtherestoftheworld.Losingtherainforestsmayalsoinfluencewindandrainfallpatterns,potentiallycausingcertainnaturaldisastersallovertheworld.Inthepasthundredyears,humanshavebegundestroyingrainforestsinsearchofthreemajorresources(资源):landforcro

3、ps,woodforpaperandotherproducts,landforraisingfarmanimals.Thisactionaffectstheenvironmentasawhole.Forexample，alotofcarbondioxide(二氧化碳)intheaircomesfromburningtherainforests.Peopleobviouslyhaveaneedfortheresourceswegainfromcuttingtreesbutwewillsuffermuchmorethanwewillbenefit.Therearetwomai

4、nreasonsforthis.Firstly,whenpeoplecutdowntrees,generallytheycanonlyusethelandforayearortwo.Secondly,cuttinglargesectionsofrainforestsmayprovideagoodsupplyofwoodrightnow,butinthelongrunitactuallyreducestheworld’swoodsupply.Rainforestsareoftencalledtheworld’sdrugstore.Morethan25%ofthemedici

5、nesweusetodaycomefromplantsinrainforests.However,fewerthan1%ofrainforestplantshavebeenexaminedfortheirmedicalvalue.Itisextremelylikelythatourbestchancetocurediseasesliessomewhereintheworld’sshrinkingrainforests.[语篇解读]　文章论述了热带雨林的重要作用以及对环境的影响。1．Rainforestscanhelptoadjusttheclimatebecausethe

6、y________.A.reflectmoreheatintotheatmosphereB.bringabouthighrainfallthroughouttheworldC.rarelycausethetemperaturetodroplowerthan16℃D.reducetheeffectofheatfromthesunontheearth[解析]　因果判断题。由文章第一段内容可以得出答案。[答案]　D2．Whatdoestheword“this”underlinedinthethirdparagraphreferto?-8-A.Wewilllosemuchmore

7、thanwecangain.B.Humanshavebegundestroyingrainforests.C.Peoplehaveastrongdesireforresources.D.Muchcarbondioxidecomesfromburningrainforests.[解析]　由上下文内容可知，A项正确。[答案]　A3．Itcanbeinferredfromthetextthat________.A.wecangetenoughresourceswithoutrainforestsB.thereisgreatmedic