2019高考英语一轮基础达标练题 Unit 2 Cloning（含解析）新人教版选修8

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1、Unit2Cloning一、阅读理解。Inmanydevelopedcountries,peoplewhohavehighdegreesbegintoworklongerthanthosewhodon’t.About65%ofAmericanmenaged62－74withaprofessionaldegreeareintheworkforce(劳动人口),paredwith32%ofmenwhoonlyfinishhighschool.Thisgapispartofadeepeningdividebetweenthewelleducatedwealthyan

2、dtheunskilledpoor.Rapidtechnologicaladvancehasraisedtheinesofthehighlyskilledwhilesqueezingthoseoftheunskilled.Theconsequences,forindividualsandsociety,areprofound.Theworldisfacinganastonishingriseinthenumberofoldpeople,andtheywilllivelongerthaneverbefore.Overthenext20yearstheglobal

3、populationofthoseaged65ormorewillalmostdouble,from600millionto1.1billion.Theexperienceofthe20thcentury,whengreaterlongevity(长寿)translatedintomoreyearsinretirementratherthanmoreyearsatwork,haspersuadedmanyobserversthatthisshift(变化)willleadtoslowereconomicgrowth,whiletheswelling(渐增的)r

4、anksofpensionerswillcreategovernmentbudgetproblems.Policiesarepartlyresponsible.ManyEuropeangovernmentshaveabandonedpoliciesthatusedtoencouragepeopletoretireearly.Eventhebetteroffmustworklongertohaveafortableretirement.Butthechangingnatureofworkalsoplaysabigrole.Payhasrisensharplyfo

5、rthehighlyeducated,andthosepeoplecontinuetoreap(获得)richrewardsintooldagebecausethesedaystheeducatedelderlyaremoreproductivethanthepreceding(先前的)generation.Technologicalchangemaywellreinforce(强化)thatshift:theskillsthatplement(补充)puters,frommanagementknowhowtocreativity,donotnecessari

6、lydeclinewithage.【解题导语】　本文主要讲述了在发达国家有专业技能的人的工作年限更长及其原因分析。1．Whatisthemonphenomenonintheworkforceinrichcountries?A．Youngerpeoplearereplacingtheelderly.B．Welleducatedpeopletendtoworklonger.C．Peoplewithnocollegedegreecannotfindanyjob.D．Unemploymentratesaredecreasingyearafteryear.B　解析：细节

7、理解题。根据文章第一段的第一句“Inmanydevelopedcountries,peoplewhohavehighdegreesbegintoworklongerthanthosewhodon’t.”可知，在发达国家，受过良好教育的人的工作年限更长，故选B。2．Inviewoftheexperienceofthe20thcentury,manyobserverspredictthat．A．economicgrowthwillslowdownB．governmentbudgetswilldecreaseC．morepeoplewilltrytoreceiveh

8、ighereducationD．the