高考英语二轮复习第3部分阅读理解完形填空语法填空短文改错限时规范训练13

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1、阅读理解+阅读填空+完形填空+短文改错（建议用时40分钟）I.阅读理解Conservationists（自然环境保护工作者）areunveilingtheir12treesofChristmas,inabidtohighlightthedifficultsituationconfrontingsomeoftheworld'sthreatenedconifers（针口十树）・Asdecoratedtreestakecentrestageinmanyhomesoverthefestiveperiod,treeexpertshopethecampaignwillraiseawarenesso

2、fat-riskspecies・Aboutonethirdofthespeciesofconifersintheworldarethoughttobethreatenedwithextinctionunlessimmediateactionistaken.ThesocialmediaeventisbeingrunbytheGlobalTreesCampaign.Oneachofthe12daysuntilChristmasEveon24December,theGlobalTreesCampaign,apartnershipbetweenBotanicGardensConservatio

3、nIntemational（BGCI）andFaunaandFloraInternational（FFI）,ispublishingdetailsofathreatenedtreespeciesonsocialmedia・“GiventhatitisChristmasandeveryoneisbringingconifersintotheirhouses,wethinkthatitisgoodtohighlightsomeoftheotherconiferspeciesthatarenotdoingsowellatthemoment,nexplainedEmilyBeech,BGCIc

4、onservationassistant.Thedevelopmentoftheglobaltradeinplants,andthedemandoverthecenturiesfromwealthyfamiliestoplantexotictreespeciesontheirland,meanthat80%oftheconiferslistedasthreatenedarefoundincollectionsaroundtheworld.However,thesespecimens（样本）areunlikelytobeenoughtoensurethelong-termsurvival

5、ofthesespecies・“Theproblemisthatalotofthespecimensthatareinbotanicalgardensorareinpeople'sbackgardensdonothavethegeneticrange;theyaresourcedfromthesametreesMsBeechtoldBBCNews."Astheydonothavethegeneticdiversity,theycannotbereintroducedbackintothewild.Soiftheydisappear,thentherewillbelimitedgenet

6、icresourcestoputthembackagairi."uImprovingthegeneticdiversityofconiferspecimensandcollectionsinbotanicalgarden,aswellasprotectingpopulationsofthreatenedspecieswithintheirnaturalrange,ispartoftheworkbeingcarriedoutbytheGlobalTreesCampaign,”saidMsBeech.1・Whyaretreeexpertsintroducing12treesofChrist

7、mas?A.Torequestpeoplenottousetreesfordecoration.B.Tocallpeople'sattentiontothreatenedconifers・C.TofindontwhichtreesuitsChristmasmost.D.Tospreadtheknowledgeofdiversity.2.Whatdoweknowaboutthespeciesofconifersintheworld?A.Theyn