2019-2020年高考英语二轮复习 阅读理解训练2(I)

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1、2019-2020年高考英语二轮复习阅读理解训练2(I)【由山东省枣庄市xx高考英语3月模拟试题改编】阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。It'sneverarealproblemforuswhentheweathergetscold．Wehavemanydifferentwaysofcopingwiththecold．Wecanputonmoreclothes,staynexttoafireplace,turnontheairconditionerorsimplytraveltoawarmerci

2、tytospendthewinter．ButthingsarenotaseasyforplantsUnlikehumans,plantscan’tmovetoescapethecoldorgenerateheattokeepthemselveswarm．Sohowdotheymanagetosurvivethefreezingwinter?Thecoldisabigchallengeforplants．Theirlivingtissuescanbedamagedwhentheyfreeze．It'slikeaplant'sequiv

3、alent(相等物）tofrostbite（冻疮）．Also，theprocessoffreezingandthawing（解冻）cancauseairbubblestoformintheplant'swatertransportsystem．Ifenoughoftheseairbubblesetogetheraswaterthawstheycanblocktheflowofwaterfromtherootstotheleavesandkilltheplant．Tolivethroughcoldweather，plantshaved

4、evelopedthreestrategies，Someplants，suchasoaktrees,avoidfreezingdamagebydroppingtheirleaves,beforethewinterchillsetsin-effectivelyshuttingofftheflowofwaterbetweenrootsandleaves—andgrowingnewleavesandwatertransportcellswhenthewarmspringreturns.Otherplants,pinetreesforexa

5、mple,protectthem-selvesbynarrowingtheirwatertransportcells,whichmakesiteasierforcellstotravelamongairbubbles．Thethirdstratef;yi8alsothemostextreme．Someplants;dieonthegroundinwinterandstartgrowingasnewplantsfromseedswhenconditionsgetwarmer．However,thesesmartstrategieswe

6、redevelopedmry8lowly－overmillionsofyearsofevolution．Thisleadsscientiststoworrythatplantsmaynotbeabletodealwithhuman-causedclimatechange,whichhasonlystartedoccurringoverthepastfewdecades．Scientistsarehopingtofindpossiblewaystosaveplantsfromthethreatofclimatechange．1．W

7、hatisthetextmainlyabout?A．Differentwaysforpeopletokeepwarm．B．Howplantslivethroughthefreezingwinter．C．Howplantsdevelopthe8tratef;iestokeepwarm*D．Thewaystosaveplantsfromthecold,2．Ifthewatertransportfromrootstoleaves18blocked,．A．theplantwillsufferfromf'rostbiteB．airbubble

8、swillbeformedC．theplant'slivingtissueswillbedamagedD．theplantwillbekilled3．Oaktreesprotectthemselvesby．A．stoppingthew