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英语四级考试试题及答案英语四级考试试题及答案阅读Questions57to61arebasedonthefollowingpassage.Itisprettymuchaone-waystreet.Whileitmaybecommonforuniversityresearcherstotrytheirluckinthecommercialworld,thereisverylittletrafficintheoppositedirection.Payhasalwaysbeenthebiggestdeterrent,aspeoplewithfamiliesoftenfeeltheycannotaffordthedropinsalarywhenmovingtoauniversityjob.Forsomeindustrialscientists,however,theattractionsofacademia(学术界)outweighanyfinancialconsiderations.HelenLeetooka70%cutinsalarywhenshemovedfromaseniorpostinAbbottLaboratoriestoamedicaldepartmentattheUniversityofCambridge.Hermainreasonforreturningtoacademiamid-careerwastotakeadvantageofthegreaterfreedomtochooseresearchquestions.Someareasofinquiryhavefewprospectsofacommercialreturn,andLee’sisoneofthem.Theimpactofasalarycutisprobablylesssevereforascientistintheearlystagesofacareer.GuyGrant,nowaresearchassociateattheUnileverCentreforMolecularInformaticsattheUniversityofCambridge,spenttwoyearsworkingforapharmaceutical(制药的)companybeforereturningtouniversityasapost-doctoralresearcher.Hetooka30%salarycutbutfeltitworthwhileforthegreaterintellectualopportunities.Higheruptheladder,whereapaycutisusuallymoresignificant,thedemandforscientistswithawealthofexperienceinindustryisforcinguniversitiestomakethetransition(转换)toacademiamoreattractive,accordingtoLee.Industrialscientiststendtoreceivetrainingthatacademicsdonot,suchashowtobuildamultidisciplinaryteam,managebudgetsandnegotiatecontracts.Theyarealsowellplacedtobringsomethingextratotheteachingsideofanacademicrolethatwillhelpstudentsgetajobwhentheygraduate,saysLee,perhapsexperienceinmanufacturingpracticeorproductdevelopment.“Onlyasmallnumberofundergraduateswillcontinueinanacademiccareer.Sosomeoneleavinguniversitywhoalreadyhastheskillsneededtoworkinanindustriallabhasfarmorepotentialinthejobmarketthansomeonewhohasspentalltheirtimeonanarrowresearchproject.”57.By“aone-waystreet”(Line1,Para.1),theauthormeans________.[A]universityresearchersknowlittleaboutthecommercialworld[B]thereislittleexchange