2015职称英语考试卫生类级全真模拟试题及答案

2015年职称英语考试卫生类CIamnotcertainwhetherhewillABCDB形容词。certain“确定的；有把握的”，sureB。本句意为：SheseemedtohavedetectedsomeangerinhisABCD PleasedonothesitatetocallmeifIcanbeoffurtherABCD Inshort,Iamgoingtolivetheremyself.AInotherwordsBThatistoCInaDTobe4C固定短语。inshort“总之；简而言之”，inawordC。本句意为：总之，我打算自己住在那里。inotherwords“换句话说”；thatistosay“也就是HehastroubleunderstandingthatotherpeoplejudgehimbyhissocialskillsandABCD5.B IhadsomedifficultyincarryingouttheABCD6.D 固定短语。carryout“执行；实行”，implement“实施；执行”，两词是同义Mr.JohnsonevidentlyregardedthisasagreatABCD7C副词。evidently“明显地；显然地”，obviouslyC。本句意为：WeallthinkthatMary'shusbandisaveryboringABCD8C形容词。boring“无聊的”，dull“五趣的”，两个词语意思相近，选C。本句意TheworkersinthatfactorymanufactureABCD9.C动词。manufacture“制造；生产”，produce与其同义，选C。本句意为：那家TheyonlyhavealimitedamountoftimetogettheirpointsABCDC形容词。limited“有限的”，本句意为：他们只有很少的时间去表达他们的观因此可知small与limited意思相近，选C。Thehigh-speedtrainscanhaveamajorimpactontravelABCDB形容词。major“主要的；重大的”，本句意为：高铁会对旅游偏好产生重要影CanyoufollowtheABCDEveninahighlymodernizedcountry,manualworkisstillABCD manualphysical“身体（上）的”，两者同义，故选A。mental“精神的”；natural“自然的”；hard“困难的”。InthelattercasetheoutcomecanbeseriousABCD 名词。outcome“结果”，resultA。本句意为：在后一种情况下，结NormanBlameyisanartistofdeepABCD15.B statement“声明；陈述”；suggestion“建果该句提供的是正确信息，请在答题卡上把A涂黑;如果该句提供的是错误信息，请在答题卡上把B涂黑;如果该句的信息在文章中没有提及，请在答题卡上把C涂黑。SurveyFindsManyWomenMisinformedaboutSixty-threepercentofAmericanwomenthinkthatifthere’snofamilyhistoryofcancer,you’renotlikelytodevelopthedisease,anewsurveyfound.Infact,mostpeoplewhodevelopcancerhavenofamilyhistoryofcancer,accordingtotheAmericanCollegeofObstetriciansandGynecologists(ACOG)(美国妇产科医师学会),whichsponsoredthesurvey.“Toomanywomenaredyingfromcancer,“Dr.DouglasW.Laube,ACOG’simmediatepastpresident,saidduringaFridayteleconferenceAnestimated200,070womenwilldieintheUS.thisyear,andover600,078womenwillbediagnosedwithcancer.Theresultsofthissurveyfoundaworrisome(令人担忧的)gapinwomen’sknowledgeaboutcancer.”Basedonthefindings.ACOGisincreasingitseffortstoeducatewomenaboutcancerandtheneedforregularscreeningtests.Althoughthesurveyfoundmanymisconceptions(错误观念)aboutcancer,76percentofwomensurveyeddidsaytheyfeelknowledgeableabouthowtheycanreducetheirriskoftheHowever,only52percentsaidtheyweredoingenoughtoreducethatrisk.And10percentsaidtheyhadn’tdoneanythinginthepastyeartolowertheirrisk.Seventeenpercentsaidtheywouldn’tchangetheirlifestyles,evenifchangeswouldlowertheircancerrisk.ManywomensaidtheywereafraidtoundergoscreeningoutoffearoffindingTwentypercentsaidtheydidn’twanttoknowiftheyhadInresponsetothesefindings,ACOGwilllaunchonOct.29anewwebsite-Protect&Detect：WhatWomenShouldKnowaboutCancer.Theguideisdesignedtohelpwomentotakechargeoftheirhealthandimprovetheirunderstandingoftheirriskofcancer-andthelifestylestepstheycantaketocutthatrisk.ManyAmericanwomenhaveapoorknowledgeofcancerARight BWrongCNotmentioned SurveyFindsManyWomenMisinformedaboutCancer意为：调PeoplewithnofamilyhistoryofcancerareunlikelytodevelopcancerARight BWrongCNotmentioned17.B Infact,mostpeoplewhodevelopcancerhavenofamilyhistoryofcancer,accordingtotheAmericanCollegeofObstetriciansandGynecologists(ACOG)(美国妇产科医师学会whichsponsoredthesurvey.意为：与文章的信息不一致，故选B。MorewomenaredyingfromcancerthanmeninAmericaARight BWrongCNotmentioned18.CToomanywomenaredyingfromcancer意为：大多的妇女死于癌此题干的内容在文章中并没有提及，选C。MostAmericanwomenknowtoolittleabouthowtolowertheircancerriskARight BWrongCNotmentioned19. 76percentofwomensurveyeddidsaytheyfeelabouthowtheycanreducetheirriskofthedisease.意为：76%受访问的女性都说，她们知道如何降低癌症风险的知识。题干的意思与文章信息相反，故选B。SomeAmericanwomenarejustunwillingtochangetheirlifestyles.ARight BWrongCNotmentioned 定位于倒数第三段Seventeenpercentsaidtheywouldn’tchangetheirlifestyles,evenifchangeswouldlowertheircancerrisk.意为：70%的女性说，她们不会改变A定位于倒数第二段Manywomensaidtheywereafraidtoundergoscreeningoutoffearoffindingcancer.意为：许多妇女说，他们因为害怕发现癌症不敢去做检查。题干的信息与文章的信息一致，故选A。ACOG’seffortstoeducatewomenaboutcancerwillbegreatlyappreciated.ARight BWrongCNotmentioned22.C 题干意思：ACOG致力于为妇女开展关于癌症的教育将不胜感激。而文章中只因此选C。择4个正确选项，分别完成每个句子。请将答案涂在答题卡相应的位置上。TheMeaningofDreamsplayanimportantroleinourlives.Iftheycanbecorrectlyexplained,wecancometounderstandourselvesbetter.Here,welookatfourcommondreamsandwhattheypotentiallysymbolize.Icanseetheirlaughingfaces…laughingatme.Buttheyaren’tassmart.Iftheywere,they’dbeuphereflyingwithmeThisdreamhasbothpositiveandnegativeconnotations(涵义).Onthepositiveside,thedreammayexpressastrongdesiretotravelandgetawayfromeverydayroutine.Itcanbeinterpretedasapowerfuldesiretoachieve.Ontheotherhand,thisdreamcanmeanthepersonhasaproblemorisafraidofsomethingandtheywishtoescape.Thedreamcouldrepresentaninferioritycomplex(自卑情结),whichthedreamerattemptstoescapefrombyputtingthemselvesupaboveothers.I’mmovingfromfastnow,butit’sstillbehindme.Doesn’tmatterhowfastIgo,Istillcan’tescape.Althoughthisisatraditionalsymbolofhealthandvitality(生命力)liketheotherone,itcanalsosuggestthedreameristryingtoescapefromdangerUsually,fearisprominentemotion.Byrunninghard,thedreamercanpossiblyescapethethreat.However,theycanalsostumble(蹒跚orworsestillstopmovingaltogetherThismakesdreamevenmoreterrifying(恐怖的).OnepossibleinterpretationsuggeststhatthedreamisunderpressureintheireverydayI'msweatingandmyheartisbeating.I'mtrappedinmyownbed.Inthisdream,thepersonisoftenstandingonahigh,exposedplacesuchasonthetopofatower,orontheedgeofacliff.Theoverwhelming(强烈的)feelingchangesfromanxietytolossofcontrol.Thereisnothingtostoptheperson,andthefeelingastheygoovertheedgecanbehorrifyingly(恐怖地)realFortunately,justbeforehittingtheground,thedreamerawakenswithasenseofenormousreliefThisdreamsuggeststhatthedreamerisafraidoflosingcontrolandhasafearoffailureorevendeath.ThewindispushingmeandIslip.There'snothingIcando...nothingIcanholdonto.Thissymbolisassociatedwithfear:suddenlythedreaminglosesallpowerofmovement.Theytryhardtomovetheirarmsandlegs,buttheysimplycannot.Frozeninaterrifyingsituationwithnoescape,theybecamemoreandmoreterrifiedasthesecondsgoby.AnotherfrequentcontextforthisdreamisfailingtodosomethinginPublic,oftensomethingwhichyouarenormallyverygoodat,suchasyourjob.Notonlyisthisextremelyembarrassing,butitalsoshowsadeep-seatedphobia(恐惧oflosingajobandaADreamofdivingintotheBDreamofrunningCDreamoffallingDDreamofflyingintotheEDreamofbeingpushedFDreamofclimbing23.D 他们将与我一起飞翔。可知本段主要讲飞到空中的梦，因此选D。24.BI’mmovingfromfastnow,butit’sstillbehindme.Doesn’tmatterB。25.CI'mtrappedinmyownbedInthisdream,thepersonisoftenstandingonahigh,exposedplacesuchasonthetopofatower,orontheedgeofacliff.意塔顶或者悬崖边上。可知这是一个坠落的梦，选项C符合。26.E ThewindispushingmeandIslip.There'snothingIcando...nothingIcanholdonto.意为：大风把我刮倒。我什么都不能做···我什么也抓不到。可知这是关于被推开的梦，选项E符合文章内容。Ifapersonputshimselfupaboveothersinthedream,he Ifapersondreamsofbeingchasedbyothers,he Ifapersondreamsofgoingovertheedgeofacliff,he Ifapersondreamsoffailingtodosomethinginpublic,he AbeunderpressureineverydayBfeeltiredinrealCbeafraidoflosinghisjobinrealDfeellonelyineverydayEfeelinferiorinFbeafraidoflosingcontrolinreal27.E 卑情结),whichthedreamerattemptstoescapefrombyputtingthemselvesupaboveothers.因此选E。28.AOnepossibleinterpretationsuggeststhatthedream（=Adreamofbeingchasedbyothers）isunderpressureintheireverydaylife….A。29FThisdream（Adreamofgoingovertheedgeofacliff）suggeststhatthedreamerisafraidoflosingcontrolandhasafearoffailureorevendeath.因此选F。30.C AnotherfrequentcontextforthisdreamisfailingtodosomethinginPublic,oftensomethingwhichyouarenormallyverygoodat,suchasyourjob.Notonlyisthisextremelyembarrassing,butitalsoshowsadeep-seatedphobia(恐惧)oflosingajobandalivelihood.意为：在这个梦里，更频繁的情况是在公共场合变现出害怕失去工作和生计的深层恐惧。由此可知，选C。WhoWantstoLiveIfyourdoctorcouldgiveyouadrugthatwouldletyouliveahealthylifefortwiceaslong,wouldyoutakeit?Thegoodnewsisthatwemaybedrawingneartothatdate.Scientistshavealreadyextendedthelivesofflies,wormsandmiceinlaboratories.Manynowthinkthatusinggenetictreatmentswewillsoonbeabletoextendhumanlifetoatleast140years.Thisseemsagreatidea.Thinkofhowmuchmoretimewecouldspendchasingourdreams,spendingtimewithourlovedones,watchingourfamiliesgrowandhavefamiliesoftheirown."Longerlifewouldgiveusachancetorecoverfromourmistakesandpromotelongtermthinking,"saysDrGregoryStockoftheUniversityOfCaliforniaSchoolOfPublicHealth."Itwouldalsoraiseproductivitybyaddingtotheyearwecanwork."Longerlivesdon'tjustaffectthepeoplewholivethem.Theyalsoaffectsocietyasawhole."Wehavewar,poverty,allsortsofissuesaround,andIdon'tthinkanyofthemwouldbeatallhelpedbyhavingpeoplelivelonger,"saysUSbioethicistDanielCallahan."Thequestionis‘Whatwillwegetasasociety?'Isuspectitwon'tbeabettersociety."Itwouldcertainlybeaverydifferentsociety.Peoplearealreadyfindingitmoredifficulttostaymarried.Divorceratesarerising.Whatwouldtomarriageinasocietywherepeoplelivedfor140years?'Andwhatwouldhappentofamilylifeifnineor10generationsofthesamefamilywereallaliveatthesametime?Researchintoageingmayenablewomentoremainfertileforlonger.Andthatraisestheprospectofhaving100-year-oldparents,orbrothersandsistersborn50yearsapart1.Wethinkofaneldersiblingassomeone,whocanprotectusandofferhelpandadvice.Thatwouldbehardtodoifthatsiblingcamefromacompletelydifferentgeneration.Workinglifewouldalsobeaffected,especiallyiftheretirementagewaslifted.Morepeoplewouldstayinworkforlonger.Thatwouldgiveusthebenefitsofage-skill,wisdomandgoodOntheotherhand,morepeopleworkingforlongerwouldcreategreatercompetitionforjobs.Itwouldmakeitmoredifficultforyoungerpeopletofindajob.Toppostswouldbedominatedbythesamefewindividuals,makingcareerprogressmoredifficult.Andhoweasilywoulda25-year-oldemployeebeabletocommunicatewitha125-year-oldboss?Youngpeoplewouldbeasmallerpartofasocietyinwhichpeoplelivedto140.Itmaybethatsuchasocietywouldplacelessimportanceonguidingandeducatingyoungpeople,andmoreonmakinglifecomfortablefortheold.Andsocietywouldfeel,verydifferentifmoreofitsmemberswereolder.Therewouldbemorewisdom,butlessenergy:Youngpeopleliketomoveabout.Oldpeopleliketositstill.Youngpeopletendtoactwithoutthinking.Oldpeopletendtothinkwithoutacting.Youngpeoplearecuriousandliketoexperience.differentthings.Oldpeoplearelessenthusiasticaboutchange.Infact,theyarelessenthusiasticabouteverything.Theeffectofanti-ageingtechnologyisdeeperthanwemightthink.Butasthescienceadvances,weneedtothinkaboutthesechangesnow."Ifthiscouldeverhappen,thenwe'dbetteraskwhatkindofsocietywewanttoget,"saysDanielCallahan."'WehadbetternotgoanywherenearituntilwehavefigurethoseproblemsWhichofthefollowingisNOTmentionedasoneofthethingsthatlivinglongermightenableanindividualtodo?SpendingmoretimewithhisHavingmoreRealizingmoreWorking31.B细节辨认题。定位于第三段Thinkofhowmuchmoretimewecouldspendchasinggrowandhavefamiliesoftheirown（A）.Workinglifewouldalsobeaffected,especiallyiftheretirementagewaslifted.Morepeoplewouldstayinworkforlonger（得出选项D）.综上可知，选项B在文章没有提及，选B。WhichofthefollowingisimpliedinthesixthMarriagesintheUStodayarequiteMoreandmorepeopleintheUStodaywanttogetLivinglongerwouldmakeiteasierforpeopletomaintaintheirmaritalIfpeoplelivelonger,theywouldstayinmarriage 推理判断题。定位于第六段Peoplearealreadyfindingitmoredifficulttostay息一致，故选A。AllofthefollowingarepossibleeffectslivinglongermighthaveonworkinglifeMoremoneywouldbeusedbyemployeesinpaymentoftheirThejobmarketwouldbemoreItwouldbemoredifficultforyoungpeopletobepromotedtotop33.B细节辨析题。定位于句子Andhoweasilywoulda25-year-oldemployeebeabletocommunicatewitha125-year-oldboss?25125岁的老板交流沟通又谈何容易？这句话可以得出选项A；定位于句子Ontheotherhand,morepeopleworkingforlongerwouldcreate的竞争更加激烈。这句话可以得出选项C；定位于句子Itwouldmakeitmoredifficultforyoungerpeopletofindajob.Toppostswouldbedominatedbythesamefewindividuals,makingcareerprogress发展就更加困难。这句话可以得出选项D。Animportantfeatureofasocietyinwhichpeoplelivealonglifeisitplacesmoreemphasisoneducatingtheitisbothwiseanditlacksthecuriositytoexperimentwhatisitwelcomes34.C 推理判断题。定位于倒数第三段Infact,theyarelessenthusiasticabout出选项C意为：人们会缺少好奇心去体验新事物，故选C。Itmaybethatsuchasocietywouldplacelessimportanceonguidingandeducatingyoungpeople意为：可能会成为这样一个社会，不重视年轻人的指导和教育。这句话可排除选项A；Therewouldbemorewisdom,butlessenergy意为：这个社会将更多的拥有智慧，却少有活力。这句话可排除选项C；WehadbetternotgoanywherenearituntilwehavefigurethoseWhichofthefollowingbestdescribesCallahan'sattitudetoanti-ageing35. 定位于最后一段"Ifthiscouldeverhappen,thenwe'dbetteraskwhatkindofsocietywewanttoget,"saysDanielCallahan."'Wehadbetternotgoanywherenearituntilwehavefigurethoseproblemsout."意为：“如果这个技术有一天能实道丹尼尔·卡拉汉是保留的态度，选C。PreventingChildChildmaltreatmentisaglobalproblemwithseriouslife-longconsequences.Therearenoreliableglobalestimatesfortheprevalenceofchildmaltreatment.Dataformanycountries,especiallylow-andmiddle-incomecountries,arelacking.Childmaltreatmentiscomplexanddifficulttostudy.Currentestimatesvarywidelydependingonthecountryandthemethodofresearchused.Nonetheless,internationalstudiesrevealthatapproximately20%ofwomenand5-10%ofmenreportbeingsexuallyabusedaschildren,while25-50%ofallchildrenreportbeingphysicallyabused.Additionally,manychildrenaresubjecttoemotionalabuse(sometimesreferredtoaspsychologicalabuse).Everyyear,thereareanestimated31,000homicidedeathsinchildrenunder15.Thisnumberunderestimatesthetrueextentoftheproblem,asasignificantproportionofdeathsduetochildmaltreatmentareincorrectlyattributedtofalls,bumsanddrowning.Childmaltreatmentcausessufferingtochildrenandfamiliesandcanhavelong-termconsequences.Maltreatmentcausesstressthatisassociatedwithdisruptioninearlybraindevelopment.Extremestresscanimpairthedevelopmentofthenervousandimmunesystems.Consequently,asadults,maltreatedchildrenareatincreasedriskforbehavioural,physicalandmentalhealthproblems.Viathebehaviouralandmentalhealthconsequences,maltreatmentcancontributetoheartdisease,cancer,suicideandsexuallytransmittedinfections.Beyondthehealthconsequencesofchildmaltreatment,thereisaneconomicimpact,includingcostsofhospitalization,mentalhealthtreatment,childwelfare,andlonger-termhealthAnumberofriskfactorsforchildmaltreatmenthavebeenidentified.Theseriskfactorsarenotpresentinallsocialandculturalcontexts,butprovideanoverviewwhenattemptingtounderstandthecausesofchildmaltreatment.Itisimportanttoemphasizethatchildrenarethevictimsandarenevertoblameformaltreatment.Anumberofcharacteristicsofanindividualchildmayincreasethelikelihoodofbeingmaltreated,suchasbeingeitherunderfouryearsoldoranadolescent,beingunwanted,orfailingtofulfilltheexpectationsofparentsandhavingspecialneeds,cryingpersistentlyorhavingabnormalphysicalfeaturesA.manychildrenhavebeenB.childmaltreatmentismostseriousindevelopedcountries.C.20%ofchildrenhavebeensexuallyabused.D.25—50%ofgirlshavebeenphysicallyB：Dataformanycountries,especiallylow-andmiddle-incomecountries,areC：Nonetheless,internationalstudiesrevealthatapproximately20%ofwomenand5-10%ofmenreportbeingsexuallyabusedaschildren意为：尽管如此，国家综上可知，排除B、C、D，故选A。Theword“underestimates”inparagraph337.D 故选D。定位于这句话Thisnumberunderestimatesthetrueextentoftheproblem,asasignificantproportionofdeathsduetochildmaltreatmentareincorrectlyattributedtofalls,bumsanddrowning.意为：这个数字低估了问题的真实程度，Childmaltreatmentcanbringallthefollowingconsequencespoor38.D 细节辨析题。定位于第四段Maltreatmentcausesstressthatisassociatedwith发育受到损害有关。这句话得出选项D。Viathebehaviouralandmentalhealthconsequences,maltreatmentcancontributetoheartdisease,cancer,suicideandsexuallytransmittedinfections.癌症以及导致自杀和性传播感染的一种诱因。这句话得出选项B和C。Childrenaremorelikelytobemaltreatedifcryaarenotgood-areover4yearsare Anumberofcharacteristicsofanindividualchildmayincreasethelikelihoodofbeingmaltreated,suchasbeingeitherunderfouryearsold（C）oranadolescentbeingunwanted,orfailingtofulfilltheexpectationsofparentsandhavingspecialneeds,cryingpersistently(=cryalot)orhavingabnormalphysicalfeatures意为：个别儿童的许多特征会增加被虐待的别的需求、爱哭闹或有异常的身体特征。根据这句话，可选A。Wecaninferfromthepassageresearchershavecollectedenoughdataonchildmorethan31,000childrenunder15arekilledeverymanycountrieshavesetupspecialinstitutionsformaltreatedsomechildrenarealsotoblamefor40.B 推理判断题。定位于第三段Everyyear,thereareanestimated31,000homicidedeathsinchildrenunder15.ThisnumberunderestimatesthetrueextentoftheC意为：每年超过3100015岁以下的儿童被杀害，故选C。Eventhoughulcersappeartoruninfamilies,lifestyleplaysmoreofarolethangeneticfactorsincausingtheillness,accordingtoareportintheApril13thJournalofInternalMedicine.Inparticular,smokingandstressinmenandtheregularuseofpain-releasingmedicinesinwomenwerelinkedwithanincreasedriskofdevelopinganulcer.Overall,61%ofulcerriskappearstobeduetoenvironmentalfactors,suchassmoking,andtheremaining39%isduetogenesaccordingtoDr.IsmoRaihaoftheUniversityofTurkyandcolleaguesattheUniversityofHelsinki,Finland.SomeresearchershadsuggestedthatfamiliesmayspreadHelicobacteriapylori,thebacteriathatcancauseulcers.However,thenewstudysuggeststhisisunlikely,accordingtothereport.Raihaandcolleaguesstudieddatafrommorethan13,000pairsoftwins"toexaminetherolesofgeneticandenvironmentalfactorsintheoriginofpepticulcerdisease,"theyexplain.Bothtwinsweremorelikelytodevelopanulcerifthepairweregeneticallythesameascomparedwithapairoffraternaltwins,suggestingthattheremustbesomegeneticsusceptibilitytoulcerdevelopment.However,theriskwasnogreaterintwinslivingtogethercomparedwithtwinslivingapart,suggestingthatsharedexposuretoH.pyloriwasnottoblame."Environmenteffectswerenotduetofactorssharedbyfamilymembers,andtheywererelatedtosmokingandstressinmenandtheuseofanalgesicsinwomen,"theauthorswrote."Theminoreffectsofsharedenvironmenttodiseaseliabilitydonotsupporttheconceptthatthegroupingofriskfactors,suchasH.pyloriinfection,wouldexplainthegeneticfactorofpepticulcerdisease,"theyconcluded.Accordingtothepassage,whichofthefollowingisaverylikelycauseofulcerinSmokingandDrinkingandGenesandUseofacertain46.A useofpain-releasingmedicinesinwomenwerelinkedwithanincreasedriskofdevelopinganulcer.意为：特别是，男性的吸烟和压力，和女性经常使用止痛的药物都与增加溃疡的风险有关。根据这句话，可判断选A。WhatfactorscontributetooverhalftheHereditary47.C 细节辨析题。定位于第二段Overall,61%ofulcerriskappearstobeduetoenvironmentalfactors,suchassmoking,意为：总而言之，61%溃疡风险似乎是由Inrelationtoulcers,expertsstudytwinsinordertotherolesofgenetictherolesofenvironmentaltherolesofboththerolesof48.C 细节辨析题。定位于第三段Raihaandcolleaguesstudieddatafrommorethan13,000pairsoftwins"toexaminetherolesofgeneticandenvironmentalfactorsintheoriginofpepticulcerdisease意为：Raiha13000Whatdoes"environmentaleffects"inthefourthparagraphreferAcleanenvironmentwithnosmokeanddustsurroundingthelivingSmokingandstressinmenanduseofpain-killingmedicineinFactorssharedbyfamilymemberssuchasgenesandthefoodtheySharedexposuretoH.pyloriinfectionintheunclean49.B 词义解释题。定位于此句Environmenteffectswerenotduetofactorssharedbyfamilymembers,andtheywererelatedtosmokingandstressinmenandtheuseofanalgesicsinwomen意为：环境影响不是由于家庭成员共有的因素造成的，男性的吸烟和压力，女性服用止痛剂，选B。Thepassagearguesulcersarerelatedtoulcersarerelatedtoulcersappearinmenandulcersarecausedbypylori50.B 主旨大意题。定位于文章第一句Eventhoughulcersappeartoruninfamilies,lifestyleplaysmoreofarolethangeneticfactorsincausingtheillness是主旨句，挥更重要的作用。根据这句话可判断选B。Averyimportantworldproblem-infact,Iaminclinedtosayitisthemostimportantofallthegreatworldproblems istherapidlyincreasingpressureofpopulationonlandandonlandresources.Thisenormousincreaseofpopulationwillcreateimmenseproblems.By2000A.D.,unlesssomethingdesperatehappens,therewillbeasmanyas7,000,000,000peopleonthesurfaceoftheearth!SothisisaproblemwhichyouaregoingtoseeinyourlifetimeWhyisthisenormousincreaseinpopulationtakingplace?Itisreallyduetothespreadoftheknowledgeandthepracticeof .YouhaveheardofBirthControl?DeathControlissomethingratherdifferent.DeathControlrecognizestheworkofthedoctorsandthenursesandthehospitalsandthehealthservicesinkeepingalivepeople ,Wouldhavediedofsomeoftheincrediblyseriouskillingdiseases,astheyusedtodo.Squalidconditions,whichwecanremedybyanimprovedstandardofliving,causedalotofdiseaseanddirt.Medicalexaminationsatschoolcatchdiseasesearlyandensurehealthierschoolchildren.Scientistsareatworkstampingoutmalariaandothermoredeadlydiseases.Ifyouareseriouslyillthereisanambulancetotakeyoutoamodernhospital.Medicalcarehelps .Weusedtothinkseventywasagoodage;noweighty,ninety,itmaybe,arecomingtoberecognizedasanormalageforhumanbeings.PeoplearelivinglongerbecauseofthisDeathControl,and (50),sothepopulationoftheworldisshootingup.AfewerchildrenareBafewyearsCwhatiscomingtobecalledDeathDwhichfaceusatthepresentEmakingitpossibleforpeopletoliveFtokeeppeoplealive46.D thegreatworldproblemsDface对应，短47.C 故选C。本句意为：事实上，这是因为知识传播的结果，也是因为将被称为的48B空白处所在的句子是一个完整的句子，且句子中astheyusedtodo是过去时，49F空白处前一句Ifyouareseri