PartIIReadingComprehension(40minutes)Directions:Thereare4passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet.PassageOneQuestions1to5arebasedonthefollowingpassage.Questions46to50arebasedonthefollowingpassage.Textbooksrepresentan11billiondollarindustry,upfrom$8billionin2014.TextbookpublisherPearsonisthelargestpublisher—ofanykind—intheworld.Itcostsabout$1milliontocreateanewtextbook.Afreshmantextbookwillhavedozensofcontributors,fromsubject-matterexpertsthroughgraphicandlayoutartiststoexpertreviewersandclassroomtesters.Textbookpublishersconnectprofessors,instructorsandstudentsinwaysthatalternatives,suchasOpenE-TextbooksandOpenEducationalResources,simplydonot.Thisconnectionhappensnotonlybymeansofcollaborativedevelopment,reviewandtesting,butalsoatconferenceswherefacultyregularlydecideontheirtextbooksandcurriculaforthecomingyear.Itistruethattextbookpublishershaverecentlyreportedlosses,largelyduetostudentsrentingorbuyingusedprinttextbooks.Butthiscanbechalkeduptotheexorbitantcostoftheirbooks—whichhasincreasedover1,000percentsince1977.Areshufflingofthetextbookindustrymaywellbeinorder.Butthisdoesnotmeantheendofthetextbookitself.WhiletheymaynotbeasdynamicasaniPad,textbooksarenotpassiveorlifeless.Forexample,overthecenturies,theyhavesimulateddialogueinanumberofways.From1800tothepresentday,textbookshavedonethisbyposingquestionsforstudentstoanswerinductively.Thatmeansstudentsareaskedtousetheirindividualexperiencetocomeupwithanswerstogeneralquestions.Today’spsychologytexts,forexample,ask:“Howmuchofyourpersonalitydoyouthinkyouinherited?”whileonesinphysicssay:“Howcanyoupredictwheretheballyoutossedwillland?”Expertsobservethat“textbookscomeinlayers,somethinglikeanonion.”Fortheactivelearner,engagingwithatextbookcanbeaninteractiveexperience:Readersproceedattheirownpace.They“customize”theirbooksbyengagingwithdifferentlayersandlinkages.Highlighting,Post-Itnotes,dog-earsandothertechniquesallowforfurthercustomizationthatstudentsvalueinprintbooksoverdigitalformsofbooks.46.Whatdoesthepassagesayaboutopeneducationalresources?
PassageOneQuestions46to50arebasedonthefollowingpassage.Aginghappenstoallofus,andisgenerallythoughtofasanaturalpartoflife.Itwouldseemsillytocallsuchathinga“disease.”Ontheotherhand,scientistsareincreasinglylearningthatagingandbiologicalagearetwodifferentthings,andthattheformerisakeyriskfactorforconditionssuchasheartdisease,cancerandmanymore.Inthatlight,agingitselfmightbeseenassomethingtreatable,thewayyouwouldtreathighbloodpressureoravitamindeficiency.BiophysicistAlexZhavoronkovbelievesthatagingshouldbeconsideredadisease.Hesaidthatdescribingagingasadiseasecreatesincentivestodeveloptreatments.“Ituntiesthehandsofthepharmaceutical(制药的)industrysothattheycanbegintreatingthediseaseandnotjustthesideeffects,”hesaid.‘‘Rightnow,peoplethinkofagingasnaturalandsomethingyoucan’tcontrol:’hesaid.“Inacademiccircles,peopletakeagingresearchasjustaninterestareawheretheycantrytodevelopinterventions.Themedicalcommunityalsotakesagingforgranted,andcandonothingaboutitexceptkeeppeoplewithinacertainhealthrange.”Butifagingwererecognizedasadisease,hesaid,“Itwouldattractfundingandchangethewaywedohealthcare.Whatmattersisunderstandingthatagingiscurable.”“Itwasalwaysknownthatthebodyaccumulatesdamage,”headded.“Theonlywaytocureagingistofindwaystorepairthatdamage.Ithinkofitaspreventivemedicineforage-relatedconditions.''LeonardHayflick,aprofessorattheUniversityofCalifornia,SanFrancisco,saidtheideathatagingcanbecuredimpliesthehumanlifespancanbeincreased,whichsomeresearcherssuggestispossible.Hayflickisnotamongthem.“There’remanypeoplewhorecoverfromcancer,stroke,orheartdisease.Buttheycontinuetoage,becauseagingisseparatefromtheirdisease,”Hayflicksaid.“Evenifthosecausesofdeathwereeliminated,lifeexpectancywouldstillnotgomuchbeyond92years.”注意:此部分试题请在答题卡2上作答。46.Whatdopeoplegenerallybelieveaboutaging?A)Itshouldcausenoalarmwhatsoever.B)Theyjustcannotdoanythingaboutit.C)Itshouldberegardedasakindofdisease.D)Theycandelayitwithadvancesinscience.