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《2013高考英语二轮复习 专题限时训练(三十四) 史地自然型阅读理解配套作业(二)（解析版，新课标）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、专题限时训练(三十四) [史地自然型阅读理解(二)](限时：25分钟) (一)Severalanimalspeciesincludinggorillas(大猩猩)inRwandaandtigersinBangladeshcouldriskextinctionifimpactofclimatechangeandextremeweatherontheirhomesisnothandled,aUNreportshowedonSunday.Releasedduringthecourseofglobalclimateneg
2、otiationsinDurban,thereportbytheUnitedNationsFoodandAgricultureOrganisation(UNFAO)showshowhighertemperatures,theriseinsealevels,deforestationandoveruseoflandhavedamagedthehabitatsofcertainspecies,especiallyinAfrica.“Manyecosystemshavealreadybeenaffectedbyincreasingpopulation,
3、historicalandrecentdeforestation,shortlastingmanagementpracticesandeveninvasivespecies，”EduardoRojas,assistantdirectorgeneralattheUNFAO'sforestrydepartment,saidatthereleaseofthereport.Themostaffectedareasincludemountains,islandsandcoastalareas,whichlimitthepossibilitiesforani
4、malstomoveelsewhereandcreatenewhabitats.“Theremainingpopulationsarelimitedtoverysmallecosystems.Theyhaveinbreeding(近亲繁殖)problems,andattheendthesespeciesmaydisappear，”headded.OtherexamplesofaffectedanimalsincludeelephantsinMali,lionsinSerengetiandcrocodilesinMalawi.Thereportsa
5、ysabout20～30percentofplantandanimalspecieswillbeathigherriskofextinctionduetoglobalwarmingandasignificantnumberoflocalspeciesmaydisappearby2050asaconsequence.Otherconsequencescouldincludethespreadofinvasivespeciesandinfectiousdiseases,itsaid.Thereporturgesmorefocusonrestorati
6、onofdamagedecosystems,especiallythosekeytodealingwithclimatechangesuchasinlandwaters,forestsandgrasslands.TheUNFAOalsocalledforthecreationofmovementchannelsforanimalsinareaswheretheirmovementwasaffected.Theorganizationsaidwhilemoreresources(资源)wereflowingtobiodiversityconserv
7、ation,moreactionatthegovernmentandpolicylevelwasneeded.Italsourgeslocalcommunitiestodevelopprojectsthateasetheeffectofclimatechangeonwildlife,namingecotourismactivitiesasanexample.1.WhatdoestheauthortellusinParagraph2?A.ThethemeofglobalclimatenegotiationsinDurban.B．Thesubject
8、ofresearchdonebyEduardoRojas.C．Harmfuleffectsofdamagedonetoecosystem
