PassageOne
Questions21to25arebasedonthefollowingpassage.
Whenyourparentsadviseyouto“getaneducation”inordertoraiseyourincome，theytellyouonlyhalfthetr uth.Whattheyreallymeanistogetjustenougheducationtoprovidemanpowerforyoursociety，butnotsomuchthatyouproveanembarrassmenttoyoursociety.
Getahighschooldiploma，atleast.Withoutthat，youwillbeoccupationallydeadunlessyournamehappenstobeGeorgeBernardShaworThomasAlvaEdison，andyoucansuccessfullydropoutingradeschool.
Getacollegedegree，ifpossible.WithaB.A.，youareonthelaunchingpad.Butnowyouhavetostarttoputonthebrakes.Ifyougoforamaster'sdegree，makesureitisanM.B.A.，andisfamous.Lawofdiminishingreturnsbeginstotakeeffect.
Doyouknow，forinstance，thatlong-haultr uckdriversearnmoreperyearthanfullprofessors?Yes，theaverage1977salaryforthosetr uckerswas$24，000.Whilethefullprofessorsmanagedtoearnjust$23，030.
APh.D.isthehighestd egreeyoucanget.Exceptforafewspecializedfieldssuchasphysicsorchemistr ywherethedegreecanquicklybeturnedtoindustr ialorcommercialpurposes，ifyoupursuesuchadegreeinanyotherfield，youwillfaceadimfuture.TherearemorePh.D.sunemployedorunderemployedinthiscountr ythananyotherpartoftheworld.
IfyoubecomeadoctorofphilosophyinEnglishorhistoryoranthropologyorpoliticalscienceorlanguagesor-worstofall-inphilosophy.youruntheriskofbecomingovereducatedforournationaldemands.Notforourneeds，mindyou，butforourdemands.
ThousandsofPh.D.saresellingshoes，drivingcars，waitingontable ，andendlesslyfillingoutapplicationsmonthaftermonth.Theymayalsotakeajobinsomehighschoolorbackwatercollegethatpaysmuchlessthanthejanitorearns.
Youcanequatethelevelofincomewiththelevelofeducationonlysofar.Farenough，thatis，tomakeyouusefultothegrossnationalproduct.butnotsofarthatnobodycanturnmuchofaprofitonyou.
Accordingtothewriter，whatthesocietyexpectsofeducationistoturnoutpeoplewho______.
A.willnotbeadisgracetosociety
B.willbecomeloyalcitizens
C.cantakecareofthemselves
D.canmeetthenation'sdemandsasasourceofmanpower
正确答案：D[解析]全篇用多个例子证明，社会所期望的教育是培养出满足国家需要的人力资源。
