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ID:51929599
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页数:6页
时间:2020-03-19
《高考英语各单元专练4-5.doc》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、Book4Unit5Themeparks Ⅰ.阅读理解ATheirbeautifulcallheralds(预示)thearrivalofspring,buttheroutestakenbycuckoos(杜鹃)duringtheirannualmigrationhaveremainedamystery.Now,though,scientistsfromtheBritishTrustforOrnithology(BTO)haverevealedthedetailsoftheirremarkable10,000milej
2、ourney,withthehelpoftrackingdevices.FivemalebirdswerecaughtinNorfolklastMayandfittedwithsatellitetagged“backpacks”beforebeingreleased.Thescientiststhenmonitoredtheirprogressover12monthsastheyflewtoAfricaintheautumn,andreturnedinthespring.Theprojectwascarriedouttodiscoverwhyeveryy
3、earfewerofthebirdsreturntoBritain.Between1995and2010,thepopulationofcuckoosspendingsummerherefellbyalmosthalf,andthenumberiscontinuingtodecline.Previously,thelackofinformationaboutthecuckoos’longmigrationhashamperedtheunderstandingofhowtohelpconservethebirds.Earlierthisyear,itwas
4、reportedthatcuckoosarrivedintheUKmuchearlierthannormal.Theircallwasrecordedbyornithologists(鸟类学家)asearlyasFebruary,amonthaheadoftheirusualarrival.ThecuckoomigrationmaphasnowshownthewidelyvariedroutesthebirdstakeacrossSpainorItaly,overtheMediterranean,andacrosstheSaharadeserttothe
5、irwinteringgroundsintherainforestsofsubSaharanAfrica.Likeallmigratinganimals,cuckoosrespondtothechangingseasons.Theydependonlushvegetationtoprovidethefruitandfoodforinsectsthattheyfeedon.Thisrelianceonseasonalpatternsmeansthatachangingclimatecouldmakeanalreadychallengingjourneyim
6、possibleforthem.GrahameMadge,oftheRSPB,said,“Thisfantasticprojectisboostingtheunderstandingofthecuckoosothat,hopefully,wecangivethisbirdafuture.”1.Whatisthemainpurposeoftheproject?A.Todiscoverwhythepopulationofcuckoosisdeclining.B.Tobetterunderstandthehabitsofcuckoos.C.Tofindoutw
7、hathappensduringcuckoos’migration.D.Tostudytheeffectsofclimatechange.答案 A解析 细节理解题。由文章第三段第一句可知,这个项目的目的是研究每年返回英国的杜鹃数量减少的原因,故选A项。2.WhendocuckoosusuallyarriveinBritain?A.InJanuary.B.InFebruary.C.InMarch.D.InApril.答案 C解析 推理判断题。由文章第四段第二句可知,今年杜鹃返回英国的时间是二月份,比以往早了一个月,因此以往杜鹃是在三月份返回英国的。3.Cu
8、ckoosarrivedintheUKmuchearlierthannormal
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