高三英语周练 .4.27 余丛芳复习课程.doc

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1、高三英语周练2015.4.27余丛芳精品文档丰城中学2014-2015学年下学期高二周练试卷英语（重点班）命题人：余丛芳审题人：高三英语备课组（2015-4-27）一、阅读理解（共20小题；每小题2分，满分40分）第一节（共15小题；每小题2分，满分30分）AOurplanetishometoaboutsevenbillionpeople.Sincethe1990s,populationexpertshavepredictedthenumberwouldgrowtoninebillionbeforeitbeginstoslowdownandpossiblydecrease.

2、Butanewreportpredictstheworld’spopulationislikelytoincreasetoalmost11-billionby2100.Thenewestimatesarebasedonthemostmodernstatisticaltools.Theymakeuseofgovernmentrecordsandexpertpredictionsaboutdeathrates,fertility(生育)ratesandinternationalmigration,orpeoplemovingacrossborders.Duringtherest

3、ofthiscentury,Africaislikelytoexperiencethelargestincreaseinpopulation.ThereportsaysAfrica’spopulationwillgrowfromabout3.5billionto5.1billionpeopleoverthenext85years.JohnWilmothisdirectoroftheUnitedNationsPopulationDivision.Hesaysthatinthepast,researchersthoughtpopulationgrowthinAfricawoul

4、dbesimilartothatofotherareas.Theyexpectedslowergrowthratesasbirthcontrolusebecamemorewidespread.Buthesaysthoseestimateswerewrong.“Thelevelofcontraceptionusehascontinuedtoincreasebutslowly–moreslowlythanexpected–andfertilitythereforehasbeenfallinglessrapidlythanexpected,andthepopulationther

5、eforecontinuestogrowsomewhatmorerapidlythanweexpected.”ThenewfindingsarebasedonajointresearchprojectoftheUnitedNationsandtheUniversityofWashington.TheresearchersbelievethepopulationofAsiawillreachfivebillionby2050.Thatisupfromthecurrent4.4-billionpeople.TheresearchersalsobelievethatNorthAm

6、erica,Europe,LatinAmericaandtheCaribbeanareawillhaveatotalpopulationofbelowonebillion.JohnWilmothsaysthepressureoffeedingtherisingpopulationislikelytobelessthanmightbeexpected.“Therelativelygoodnewsisthattheworldhasbeenwinningtheracebetweenpopulationgrowthandfoodproduction.Ifyoulookbackhis

7、toricallyoverthelast50years,certainlyfortheworldasawholeandfor收集于网络，如有侵权请联系管理员删除精品文档many,mostindividualcountriesandregions,theincreaseinfoodproductionhasoutpacedtheincreaseofpopulation.”21.Whichofthefollowingwillexperiencethelargestincreaseinpopulationbythecen