2017年11月北京成人学士学位英语考试真题及答案PartI(30%)Passage1In2014,olderAmericansfell29milliontimes,leadingto7millioninjuries,accordingtoareportpublishedlastweek.About2.8millioncasesweretreatedinemergencydepartment,andapproximately800,000seniorswentontobehospitalized.Morethan27,000fallsledtodeath.(76)Andtheproblemisgettingmoreandmoreserious.“Olderadultfallsareincreasingand,sadly,oftenindicatetheendofindependence,”saidDr.TomFrieden.Thefallsarepreventable,Friedenstressed.Hesaidindividuals,familiesandhealthcareproviderscantakestepstoresistthetrend.Dr.Wolf-KleinisamedicalprofessorinNewYork.Shesaidoneconcernisthatseniorswhohaveexperiencedafallaloneathomedon’ttellanyone.Whenthathappens,preventioneffortsdon’tbeginandthey’reatriskforadditionalfallsthatleadtobrokenbonesandbraininjuries.“Elderlypatientstendnottoreportfallstotheirfamilies,orevendoctors.Afallisaveryfrighteningthingthatyoukeepquietabout.Theythinkiftheymentionit,theyareafraidthattheywillmovetoanursinghomeorneedassistantstohelpoutinthehouse,”saidWolf-Klein.It’salsoastatusissueandmaymakesomeonefeelthatthey’reweakerthantheyreallyare,sheexplained.Whensomeonedoesfallandhurtthemselves,they’reoftenneverthesame,Wolf-Kleinsaid.“Youcandevelopchronic(慢性的)problems.Afterafall,apercentageofthepopulationwillneverreturntowalkingaround.Peopleusedtotakingthesubway,nowthey’reinawheelchair,ortheymayneedhelpgoingtothebathroom.Theybecomefrailerandloseindependence,”shesaid.1.WhichofthefollowingisTRUE?A.In2014,olderadultfallscaused7millioninjuries.B.In2016,Americansfell29milliontimes.C.Lastyear,2.8millionAmericanshademergencytreatment.D.Lastmonth,morethan27,000olderAmericanswerehospitalized.2.Fromthepassagewelearnthatolderadultfalls___.A.AredecreasingB.Can’tbeavoidedC.MustbetreatedinhospitalsD.Usuallyimplytheendofindependence3.ThewordfrailerinParagraph5probablymeans___.A.LonelierB.weakerC.smarterD.better4.Accordingtothepassage,whichofthefollowingisTRUE?A.Afallisaveryterriblethingthatyoukeepquietabout.B.Afterafallelderlypeoplewillnotdevelopchronicproblems.C.Topreventfellselderlypeopleshouldmovetoanursinghome.1/9D.Elderlypatientstendtotelltheirfamiliesabouttheirfalls.5.Whatisthemainideaofthispassage?A.Olderadultfellsareontherise.B.Peopleshouldkeepquietabouttheirfells.C.Olderadultsarelosingtheirindependence.D.Olderadultfallscausebraininjuries.Passage2Thesciencebehindsolar(太阳的)energyisnotnew.ButSheridanCommunitySchoolsisthefirstschooldistrictinIndianatobecompletelysolar-powered.Thedistrictfinishedinstallingsolarpanels(太阳能板)forallthreeofitsschoolsin2016.Someofthepanelscanturntofallowthesunacrossthesky.Sheridan’ssolarpushispartofatrend.In2008,fewerthan1,000schoolsusedsolarpower.By2014,therewere3,727schoolswithsolarpanelsintheUS.ThisdatacomesfromareportbytheSolarFoundation,anorganizationthatpromotestheuseofsolarpowerRoxieBrown,aprogramdirectorthere,saysthatthenumberofschoolswithsolarpanelshascontinuedtorisesince2014.(77)Solarpowerhassomeobviousadvantageoverotherenergysources.Sunlightisarenewable(可再生的)resource,whichmeansitwon’trunout.Solarpanelsdon’tharmtheenvironment.Alsosunlightisfree.Sobyusingsolarpower,schoolscansavemoneyonenergycostsovertime.Butswitchingtosolarpowerisn’talwayseasySolarpanelscanbeexpensivetoinstall.SheridanCommunitySchoolshadtoborrowmoneytopayforitssolartransition.(78)Thepanelsalsotakeupspace.B...
