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时间:2020-08-07
《高三英语周练 .4.27 余丛芳复习课程.doc》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
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
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