many of the world’s countries have reached or are approaching阅读理解答案

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1、Manyoftheworld’scountrieshavereachedorareapproaching阅读理解答案　　Manyoftheworld’scountrieshavereachedorareapproachingzeropopulationgrowth(ZPG).Nearlyallsuchlandsareeconomicallywelldeveloped．TheyincludemuchofEurope(includingRussia),theUnitedStates,Canada,Japan.AndAustralia.Astherateofnaturalinc

2、rease(RNI)declines,twothingshappen．First,thepopulationbeginstodeclineifthelossisnotbalancedbyimmigration.Second,acountry’spopulationagesbecausetherearefewerbirths.　　IsachievingZPGgoodorbad?Whathappenswhenacountry’spopulationbeginstodrop?Manypeople,afterall,believethatpopulationdeclineisag

3、oodthing.Butisitgoodforeveryone?Doeseveryoneagree?　　Anagingpopulationcancreatemanyproblems.Seniorcitizensrequiremorehealthcareandmedicalattention.Ratherthanpayingintoretirementprograms,theybegintodrawfromtheirpensions.IntheUS,theSocialSecurityprogram,accordingtomanyexperts,willbeusedupby2

4、018.Itwillpayoutmoremoneythanittakesin.Additionally,agreatnumberofjobsgobegginginsearchofpeoplewillingorentrylevelpositionsthatpaylowwages.Withanabletodothem.Manyofthesejobsareagingpopulation,whowillfillthem?Attheotherextreme，somepositionsrequirealargenumberoftrainingandhighlyspecializeds

5、kills.Whowillfillthesepositionsasretireesleavetheworkforce?　　Theanswertotheproblemofdecliningandagingpopulationissimple:increasedmigration.　　Todaymanypeople,particularlythosefromlessdevelopedcountries,aremigratinginsearchofemployment.Manyarewillingtotakejobsthatcannot(orwillnot)befilledby

6、thedomesticpopulation.Othersarewelleducatedandhighlyskilled.Bothgroupscontributetoacountry’seconomyprogressinmanyways.Further,theyaddtotherichnessofacountry’sculture.Ofgreatestimportance,perhaps,isthefactthattheyhavebecomeabsolutelynecessarytotheeconomyofmanylands.Asyoucansee,formanycount

7、riesandformostimmigrants,migrationisawin—winsituation.　　29.Inthewriter’sview，whichofthefollowingstatementsisTRUE?　　A.NoteveryoneagreesthatachievingZPGisabsolutelygood　　B.AchievingZPGiseverycountry’saiminspiteofitssideeffects　　C.AchievingZPGisbadforseniorcitizens　　D.