高考英语各单元专练4-5.doc

《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