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Weshalltakethetreasureawaytoa{{U}}safe{{/U}}place.
{{*HTML*}}下的短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段第段选择1个最佳标题2第27～30题要求从所给的6个选项中为每个句子确定1个最佳选项? ? LungCancer??1?The deathrateduetocancerofthelungshasincreasedmorethan800percentin malesandhasmorethandoubledinfemalesduringthelast25years.Itis considerablyhigherinurbanandindustrialareasthaninruraldistricts.There aremanypossiblecausebutitisstillcontroversialwhicharemost blameworthy.Thosefactorswhichhavebeenmentionedmostfrequentlyare thepresenceofforeignparticlesandotherirritantsintheairsmoke particlessmogexhaustfumesandthesmokingofcigarettesand cigars.??2?Numerousstudieshavedemonstratedastriking correlationbetweenthedeathratefromlungcancerandsmokinghabits.Among heavysmokers—21to30cigarettesperday—themortalityratefromlungcanceris nearly17timestheratefromnonsmokers.Itisexpectedthedeathrateamong womenwillincreaseasthepresenthighrateofsmokingamongwomenhasits effect.??3?Sometimescasesoflungcancerarediscoveredat thetimeanX-rayistakenforthepurposeofdetectingtuberculosis.Toooften howeveracurrentemphasisuponthedangerofexposuretoradiationfromX-ray machinescanfrightenpeopleawayfromroutinechestX-rays.ModernX-ray machinesincompetenthandsposesuchslightdangeratleasttothoseover40 yearsofagethatthiswouldbemuchmorethanoffsetbytheadvantagesof discoveringatumorwhileitissmallenoughtobecompletelyremoved.? ?4?Acommonformoflungcancerisbroncho-geniccarcinomaso-called becausethemalignancyoriginatesinabronchus.Thetumormaygrowuntilthe bronchusisblockedcuttingspacesbetweenlungandtheoutsidewitha resultingpneumoniaortheformationofalungabscess.Suchalungcancercan alsospreadtocausesecondarygrowthsinthelymphnodesofthechestandneck aswellasinthebrainandotherpartsofthebody.Theonlytreatmentthat offersapossibilityofcurebeforesecondarygrowthshavehadtimetoformis toremovethelungcompletely.Thisoperationiscalledpneumonectomy.? ?5?Malignanttumorsofthestomachthebreasttheprostategland andotherorgansmayspreadtothelungscausingsecondarygrowths. ??A.CommonSecondaryLungCancers??B.The AdvantagesBroughtaboutbyRoutineChestCheckup??C. RelationshipBetweenMortalityRatefromLungCancerandSmoking Habits??D.OperableandInoperableLungCancers? ?E.TheIncreasingDeathRatefromLungCancerandPossible Causes??F.AnOrdinaryTypeofLungCancerParagraph4______
{{*HTML*}}{{B}}第三篇{{/B}} {{B}}??????? ??????????? ???????IQ-gene{{/B}}??In theangrydebateoverhowmuchofIQcomesfromthegenesthatchildreninherit fromparentsandhowmuchcomesfromexperiencesonelittlefactgets overlooked:noonehasidentifiedanygenesotherthanthosethatcause retardationthataffectintelligence.SoresearchersledbyRobertPlominof London’sInstituteofPsychiatrydecidedtolookforsome.Theyfiguredthatif youwanttofindasmartgeneyoushouldlookinsmartkids.Theytherefore examinedtheDNAofstudentslikethosewhoaresobrightthattheytakecollege entranceexamsfouryearsearly--andstillscoreatPrinceton--caliberlevels. Thescientistsfoundwhattheysought.WehavesaysPlominthefirst specificgeneeverassociatedwithgeneralintelligence.? ?Plomin’scolleaguesdrewbloodfromtwogroupsof51childreneachall6 to15yearsoldandlivinginsixcountiesaroundCleveland.Inonegroupthe averageIQis103.Allthechildrenarewhite.Isolatingthebloodcellsthe researchersthenexaminedeachchild’schromosome6ofthe37landmarkson chromosome6thattheresearcherslookedforonejumpedout:aformofgene calledIGF2Roccurredintwiceasmanychildreninthehigh-IQgroupasinthe averagegroup--32percentversus16percent.ThestudyintheMayissueofthe journalPsychologicalScienceconcludesthatitisthisformoftheIGF2Rgene thatcontributestointelligence.Somegeneticistsseemajorproblemswiththe IQ-genestudy.OneisthepossibilitythatPlomin’sgroupfellforchopsticks fallacy.Geneticistsmightthinkthey’vefoundageneforchopsticks flexibilitybutallthey’vereallyfoundisagenemorecommoninAsiansthan sayAfricans.SimilarlyPlomin’sIQgenemightsimplybeonethatismore commoningroupsmatemphasizeacademicachievement.Whatisthegenethat they’vefoundreflectsethnicity?asksgeneticistAndrewFeinbergofJohns HopkinsUniversity.ThatalonemightexplainthelinktointelligencesinceIQ testsareknownforbeingculturallysensitiveandaffectedbyachild’s environment.AndNeilRischofStandfordUniversitypointsoutthatifyoulook for37genesonachromosomeastheresearchersdidandfindthatoneismore commoninsmarterkidsthatmightreflectpurechanceratherthanacausallink betweenthegeneandintelligence.WarnsFeinbergIwouldtakethesefindings withawholeboxofsalt.Ageneforchopsticksflexibilityisfoundtobe______.
Alotofantsarealwaysinvadingmykitchen.Theyareathorough{{U}}painintheneck{{/U}}.
{{*HTML*}}{{B}}第三篇{{/B}} {{B}}??????? ??????????? ???????IQ-gene{{/B}}??In theangrydebateoverhowmuchofIQcomesfromthegenesthatchildreninherit fromparentsandhowmuchcomesfromexperiencesonelittlefactgets overlooked:noonehasidentifiedanygenesotherthanthosethatcause retardationthataffectintelligence.SoresearchersledbyRobertPlominof London’sInstituteofPsychiatrydecidedtolookforsome.Theyfiguredthatif youwanttofindasmartgeneyoushouldlookinsmartkids.Theytherefore examinedtheDNAofstudentslikethosewhoaresobrightthattheytakecollege entranceexamsfouryearsearly--andstillscoreatPrinceton--caliberlevels. Thescientistsfoundwhattheysought.WehavesaysPlominthefirst specificgeneeverassociatedwithgeneralintelligence.? ?Plomin’scolleaguesdrewbloodfromtwogroupsof51childreneachall6 to15yearsoldandlivinginsixcountiesaroundCleveland.Inonegroupthe averageIQis103.Allthechildrenarewhite.Isolatingthebloodcellsthe researchersthenexaminedeachchild’schromosome6ofthe37landmarkson chromosome6thattheresearcherslookedforonejumpedout:aformofgene calledIGF2Roccurredintwiceasmanychildreninthehigh-IQgroupasinthe averagegroup--32percentversus16percent.ThestudyintheMayissueofthe journalPsychologicalScienceconcludesthatitisthisformoftheIGF2Rgene thatcontributestointelligence.Somegeneticistsseemajorproblemswiththe IQ-genestudy.OneisthepossibilitythatPlomin’sgroupfellforchopsticks fallacy.Geneticistsmightthinkthey’vefoundageneforchopsticks flexibilitybutallthey’vereallyfoundisagenemorecommoninAsiansthan sayAfricans.SimilarlyPlomin’sIQgenemightsimplybeonethatismore commoningroupsmatemphasizeacademicachievement.Whatisthegenethat they’vefoundreflectsethnicity?asksgeneticistAndrewFeinbergofJohns HopkinsUniversity.ThatalonemightexplainthelinktointelligencesinceIQ testsareknownforbeingculturallysensitiveandaffectedbyachild’s environment.AndNeilRischofStandfordUniversitypointsoutthatifyoulook for37genesonachromosomeastheresearchersdidandfindthatoneismore commoninsmarterkidsthatmightreflectpurechanceratherthanacausallink betweenthegeneandintelligence.WarnsFeinbergIwouldtakethesefindings withawholeboxofsalt.Inthebeginningofparagraphonewearetoldthatscientistscannotagree______.
Teachingstudentsofthresholdlevelishardworkbuttheeffortisvery{{U}}worthwhile{{/U}}.
{{*HTML*}}{{B}}第二篇{{/B}} {{B}}??????? ??????????? ??ElectronicMail{{/B}}??Duringthepastfewyears scientisttheworldoverhavesuddenlyfoundthemselvesproductivelyengagedin tasktheyoncespenttheirlivesavoiding-writinganykindofwritingbut particularlyletterwriting.Encouragedbyelectronicmail’ssurprisinglyhigh speedconvenienceandeconomypeoplewhoneverbeforetouchedthestuffare regularlyskillfullyevencheerfullytappingoutagreatdealof correspondence.??Electronicnetworkswovenintothefabricof scientificcommunicationthesedaysaretheroutetocolleaguesindistant countiesshareddatabulletinboardsandelectronicjournals.Anyonewitha personalcomputeramodemandthesoftwaretolinkcomputersovertelephone linescansignon.Anestimatedfivemillionscientistshavedonesowithmore joiningeverydaymostofthemcommunicatingthroughabundleofinterconnected domesticandforeignroutesknowncollectivelyastheinternetornet.? ?E-mailisstaringtoedgeoutthefaxthetelephoneovernightmailand ofcourselandmail.Itshrinkstimeanddistancebetweenscientific collaboratorsinpar[becauseitisconvenientlyasynchronouswriterscantype whiletheircolleaguesacrosstimezonessleep;theirmessagewillbewaiting. Ifitisnotyetspeedingdiscoveriesitiscertainlyaccelerating communication.??JeremyBernsteithephysicistandscience writeroncecalledE-mailthephysicist’sumbilicalcord.Latelyotherpeople toohavebeendiscoveringitsconnectivevirtues.Physicistsareusingit; collegestudentsareusingiteverybodyisusingitandasasignthatithas comeofagetheNewYorkerhasacceleratesitsliberatingpresencewitha cartoon--anappreciativedogseatedatakeyboardsayinghappilyOnthe Internetnobodyknowsyou’readog.WhatdoesthesentenceOntheInternetnobodyknowsyou’readog.implyinthelastparagraph?
{{*HTML*}}下的短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段第段选择1个最佳标题2第27～30题要求从所给的6个选项中为每个句子确定1个最佳选项? ? LungCancer??1?The deathrateduetocancerofthelungshasincreasedmorethan800percentin malesandhasmorethandoubledinfemalesduringthelast25years.Itis considerablyhigherinurbanandindustrialareasthaninruraldistricts.There aremanypossiblecausebutitisstillcontroversialwhicharemost blameworthy.Thosefactorswhichhavebeenmentionedmostfrequentlyare thepresenceofforeignparticlesandotherirritantsintheairsmoke particlessmogexhaustfumesandthesmokingofcigarettesand cigars.??2?Numerousstudieshavedemonstratedastriking correlationbetweenthedeathratefromlungcancerandsmokinghabits.Among heavysmokers—21to30cigarettesperday—themortalityratefromlungcanceris nearly17timestheratefromnonsmokers.Itisexpectedthedeathrateamong womenwillincreaseasthepresenthighrateofsmokingamongwomenhasits effect.??3?Sometimescasesoflungcancerarediscoveredat thetimeanX-rayistakenforthepurposeofdetectingtuberculosis.Toooften howeveracurrentemphasisuponthedangerofexposuretoradiationfromX-ray machinescanfrightenpeopleawayfromroutinechestX-rays.ModernX-ray machinesincompetenthandsposesuchslightdangeratleasttothoseover40 yearsofagethatthiswouldbemuchmorethanoffsetbytheadvantagesof discoveringatumorwhileitissmallenoughtobecompletelyremoved.? ?4?Acommonformoflungcancerisbroncho-geniccarcinomaso-called becausethemalignancyoriginatesinabronchus.Thetumormaygrowuntilthe bronchusisblockedcuttingspacesbetweenlungandtheoutsidewitha resultingpneumoniaortheformationofalungabscess.Suchalungcancercan alsospreadtocausesecondarygrowthsinthelymphnodesofthechestandneck aswellasinthebrainandotherpartsofthebody.Theonlytreatmentthat offersapossibilityofcurebeforesecondarygrowthshavehadtimetoformis toremovethelungcompletely.Thisoperationiscalledpneumonectomy.? ?5?Malignanttumorsofthestomachthebreasttheprostategland andotherorgansmayspreadtothelungscausingsecondarygrowths. ??A.CommonSecondaryLungCancers??B.The AdvantagesBroughtaboutbyRoutineChestCheckup??C. RelationshipBetweenMortalityRatefromLungCancerandSmoking Habits??D.OperableandInoperableLungCancers? ?E.TheIncreasingDeathRatefromLungCancerandPossible Causes??F.AnOrdinaryTypeofLungCancerParagraph2______
Iamvery{{U}}grateful{{/U}}toyouforyourassistance.
{{*HTML*}}下面的短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提的是正确的信息请选择A如果该句提的是错误信息衣选择B如果该句的信息文中没有提及请选择C ?? EvolutionofSleep? ?Sleepisveryancient.Intheelectroencephalographicsenseweshareit withalltheprimatesandalmostalltheothermammalsandbirds:itmayextend backasfarasthereptiles.??Thereissomeevidencethatthetwo typesofsleepdreaminganddreamlessdependonthelife-styleoftheanimal andthatpredatorsarestatisticallymuchmorelikelytodreamthanpreywhich areinturnmuchmorelikelytoexperiencedreamlesssleep.Indreamsleepthe animalispowerfullyimmobilizedandremarkablyunresponsivetoexternal stimuli.??Dreamlesssleepismuchshallowerandwehaveall witnessedcatsordogscockingtheirearstoasoundwhenapparentlyfast asleep.Thefactthatdeepdreamsleepisrareamongpreytodayseemsclearlyto beaproductofnaturalselectionanditmakessensethattodaywhensleepis highlyevolvedthestupidanimalsarelessfrequentlyimmobilizedbydeepsleep thanthesmartones.Butwhyshouldtheysleepdeeplyatall?? ?Whyshouldastateofsuchdeepimmobilizationeverhaveevolved?Perhaps oneusefulhintabouttheoriginalfunctionofsleepistobefoundinthefact thatdolphinsandwhalesandaquaticmammalsingeneralseemtosleepvery little.Thereisbyandlargenoplacetohideintheocean.? ?Coulditbethatratherthanincreasingananimal’svulnerabilitythe functionofsleepistodecreaseit?WilseWebboftheUniversityofFloridaand RayMeddisofLondonUniversityhavesuggestedthistobethecase.Itis conceivablethatanimalswhoaretoostupidtobequietontheirowninitiative areduringperiodsofhighriskimmobilizedbytheimplacablearmofsleep. Thepointseemsparticularlyclearfortheyoungofpredatoryanimals.Thisis aninterestingnotionandprobablyatleastpartly true.Thefunctionofsleepistodecreaseanimal’svulnerability.
Martindecidedthathehadno{{U}}adequate{{/U}}proof.
{{*HTML*}}下面的短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提的是正确的信息请选择A如果该句提的是错误信息衣选择B如果该句的信息文中没有提及请选择C ?? EvolutionofSleep? ?Sleepisveryancient.Intheelectroencephalographicsenseweshareit withalltheprimatesandalmostalltheothermammalsandbirds:itmayextend backasfarasthereptiles.??Thereissomeevidencethatthetwo typesofsleepdreaminganddreamlessdependonthelife-styleoftheanimal andthatpredatorsarestatisticallymuchmorelikelytodreamthanpreywhich areinturnmuchmorelikelytoexperiencedreamlesssleep.Indreamsleepthe animalispowerfullyimmobilizedandremarkablyunresponsivetoexternal stimuli.??Dreamlesssleepismuchshallowerandwehaveall witnessedcatsordogscockingtheirearstoasoundwhenapparentlyfast asleep.Thefactthatdeepdreamsleepisrareamongpreytodayseemsclearlyto beaproductofnaturalselectionanditmakessensethattodaywhensleepis highlyevolvedthestupidanimalsarelessfrequentlyimmobilizedbydeepsleep thanthesmartones.Butwhyshouldtheysleepdeeplyatall?? ?Whyshouldastateofsuchdeepimmobilizationeverhaveevolved?Perhaps oneusefulhintabouttheoriginalfunctionofsleepistobefoundinthefact thatdolphinsandwhalesandaquaticmammalsingeneralseemtosleepvery little.Thereisbyandlargenoplacetohideintheocean.? ?Coulditbethatratherthanincreasingananimal’svulnerabilitythe functionofsleepistodecreaseit?WilseWebboftheUniversityofFloridaand RayMeddisofLondonUniversityhavesuggestedthistobethecase.Itis conceivablethatanimalswhoaretoostupidtobequietontheirowninitiative areduringperiodsofhighriskimmobilizedbytheimplacablearmofsleep. Thepointseemsparticularlyclearfortheyoungofpredatoryanimals.Thisis aninterestingnotionandprobablyatleastpartly true.Comparedwithsmartanimalsstupidonesaremoreoftenimmobilizedbysleep.
{{*HTML*}}??A.beforethecancercellsspreadelsewhere??B. themorechancesofdyingofX-rayradiationhewillhave??C. whatismostresponsibleforlungcancer??D.assomepeople imagine??E.themorechancesofgettinglungcancerhewill have??F.whichformoflungcancerisacommononeAprimarylungcancerpatientmaybecuredbyremovingthelungcompletely______.
{{*HTML*}}下面的短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提的是正确的信息请选择A如果该句提的是错误信息衣选择B如果该句的信息文中没有提及请选择C ?? EvolutionofSleep? ?Sleepisveryancient.Intheelectroencephalographicsenseweshareit withalltheprimatesandalmostalltheothermammalsandbirds:itmayextend backasfarasthereptiles.??Thereissomeevidencethatthetwo typesofsleepdreaminganddreamlessdependonthelife-styleoftheanimal andthatpredatorsarestatisticallymuchmorelikelytodreamthanpreywhich areinturnmuchmorelikelytoexperiencedreamlesssleep.Indreamsleepthe animalispowerfullyimmobilizedandremarkablyunresponsivetoexternal stimuli.??Dreamlesssleepismuchshallowerandwehaveall witnessedcatsordogscockingtheirearstoasoundwhenapparentlyfast asleep.Thefactthatdeepdreamsleepisrareamongpreytodayseemsclearlyto beaproductofnaturalselectionanditmakessensethattodaywhensleepis highlyevolvedthestupidanimalsarelessfrequentlyimmobilizedbydeepsleep thanthesmartones.Butwhyshouldtheysleepdeeplyatall?? ?Whyshouldastateofsuchdeepimmobilizationeverhaveevolved?Perhaps oneusefulhintabouttheoriginalfunctionofsleepistobefoundinthefact thatdolphinsandwhalesandaquaticmammalsingeneralseemtosleepvery little.Thereisbyandlargenoplacetohideintheocean.? ?Coulditbethatratherthanincreasingananimal’svulnerabilitythe functionofsleepistodecreaseit?WilseWebboftheUniversityofFloridaand RayMeddisofLondonUniversityhavesuggestedthistobethecase.Itis conceivablethatanimalswhoaretoostupidtobequietontheirowninitiative areduringperiodsofhighriskimmobilizedbytheimplacablearmofsleep. Thepointseemsparticularlyclearfortheyoungofpredatoryanimals.Thisis aninterestingnotionandprobablyatleastpartly true.Almostallthemammalsandbirdsdosleep.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ??????ScientistsDevelopWaysofDetecting HeartAttack{{/B}}??Germanresearchershave{{U}}?1 ?{{/U}}anewgenerationofdefibrillatorsandearlywarningsoftwareaimedat offeringheartpatientsgreaterprotection{{U}}?2?{{/U}}suddendeath fromcardiacarrest.??InGermanyalonearound100000peopledie annuallyasaresultofcardiacarrestandmanyofthesecases{{U}}?3 ?{{/U}}bydisruptiontotheheart’srhythm.ThosemostatriskarePatients whohave{{U}}?4?{{/U}}sufferedaheartattackandforyearstheuseof defibrillatorshasprovedusefulindiagnosing{{U}}?5 ?{{/U}}disruptionstoheartrhythmsandcorrectingthemautomaticallyby interveningwithinseconds.Thesedevices{{U}}?6?{{/U}}arangeof functionssuchasthatofpacemaker.??Heartspecialistsat Freiburg’sUniversityClinichavenowachievedabreakthroughwithallimplanted defibrillator{{U}}?7?{{/U}}ofgeneratingasix-channel electrocardiogramECGwithinthebody.Thisintegratedsystemallowsearly diagnosisof{{U}}?8?{{/U}}blood-flowproblemsandapendingheart attack.Itwillbeimplantedinpatientsforthefirsttimethisyear. MeanwhileresearchersattheFraunhoferInstituteforAppliedMathematicsin Kaiserslauternhavedevelopednewcomputersoftwarethatrenderstheevaluation ofECGdata{{U}}?9?{{/U}}.??Theoverwhelming{{U}} ?10?{{/U}}ofpatientsatriskwillnothaveanimplanted defibrillatorandmustforthisreasonundergoregularECGs.Manyofthe currentprogramsonly{{U}}?11?{{/U}}intoaccountalinearcorrelation ofthedata.Wearehowevermakinguse{{U}}?12?{{/U}}anon-linear processthatrevealsthechaoticpatternsofheartbeatsasanopenandcomplex system.HagenKnafsays.{{U}}?13?{{/U}}changesintheheartbeats overtimecanbemonitoredandindividualvariationsinpatientstakeninto account.AnoldstudyofECGdatabased{{U}}?14?{{/U}}600Patients whohadsufferedasubsequentheartattackenabledtheresearcherstocompare risksandtoshow{{U}}?15?{{/U}}thenewsoftwareevaluatesthedata considerablybetter.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ??????ScientistsDevelopWaysofDetecting HeartAttack{{/B}}??Germanresearchershave{{U}}?1 ?{{/U}}anewgenerationofdefibrillatorsandearlywarningsoftwareaimedat offeringheartpatientsgreaterprotection{{U}}?2?{{/U}}suddendeath fromcardiacarrest.??InGermanyalonearound100000peopledie annuallyasaresultofcardiacarrestandmanyofthesecases{{U}}?3 ?{{/U}}bydisruptiontotheheart’srhythm.ThosemostatriskarePatients whohave{{U}}?4?{{/U}}sufferedaheartattackandforyearstheuseof defibrillatorshasprovedusefulindiagnosing{{U}}?5 ?{{/U}}disruptionstoheartrhythmsandcorrectingthemautomaticallyby interveningwithinseconds.Thesedevices{{U}}?6?{{/U}}arangeof functionssuchasthatofpacemaker.??Heartspecialistsat Freiburg’sUniversityClinichavenowachievedabreakthroughwithallimplanted defibrillator{{U}}?7?{{/U}}ofgeneratingasix-channel electrocardiogramECGwithinthebody.Thisintegratedsystemallowsearly diagnosisof{{U}}?8?{{/U}}blood-flowproblemsandapendingheart attack.Itwillbeimplantedinpatientsforthefirsttimethisyear. MeanwhileresearchersattheFraunhoferInstituteforAppliedMathematicsin Kaiserslauternhavedevelopednewcomputersoftwarethatrenderstheevaluation ofECGdata{{U}}?9?{{/U}}.??Theoverwhelming{{U}} ?10?{{/U}}ofpatientsatriskwillnothaveanimplanted defibrillatorandmustforthisreasonundergoregularECGs.Manyofthe currentprogramsonly{{U}}?11?{{/U}}intoaccountalinearcorrelation ofthedata.Wearehowevermakinguse{{U}}?12?{{/U}}anon-linear processthatrevealsthechaoticpatternsofheartbeatsasanopenandcomplex system.HagenKnafsays.{{U}}?13?{{/U}}changesintheheartbeats overtimecanbemonitoredandindividualvariationsinpatientstakeninto account.AnoldstudyofECGdatabased{{U}}?14?{{/U}}600Patients whohadsufferedasubsequentheartattackenabledtheresearcherstocompare risksandtoshow{{U}}?15?{{/U}}thenewsoftwareevaluatesthedata considerablybetter.
{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每道题后面有4个选项请仔细阅读短文并根据短文内容回答其后面的问题从4个选项中选择1个最佳答案{{B}}第一篇{{/B}} {{B}}??????? ?????????EarlyorLaterDay Care{{/B}}??TheBritishpsychoanalystJohnBowlbymaintainsthat separationfromtheparentsduringthesensitiveattachmentperiodfrombirth tothreemayscarachild’spersonalityandpredisposetoemotionalproblemsin laterlife.SomepeoplehavedrawntheconclusionfromBowlby’sworkthat childrenshouldnotbesubjectedtodaycarebeforetheageofthreebecauseof theparentalseparationitentailsandmanypeopledobelievethis.Butthere arealsoargumentsagainstsuchastrongconclusion.??Firstly anthropologistspointoutthattheinsulatedloveaffairbetweenchildrenand parentsfoundinmodemsocietiesdoesnotusuallyexistintraditional societies.ForexampleinsometribalsocietiessuchastheNgonithefather andmotherofachilddidnotreartheirinfantalone--farfromit.Secondly commonsensetellsusthatdaycarewouldnotbesowidespreadtodayifparents care-takersfoundchildrenhadproblemswithit.Statisticalstudiesofthis kindhavenotyetbeencardedoutandeveniftheyweretheresultswouldbe certaintobecomplicatedandcontroversial.Thirdlyinthelastdecadethere havebeenanumberofcarefulAmericanstudiesofchildrenindaycareandthey haveuniformlyreportedthatdaycarehadaneutralorslightlypositiveeffect onchildren’sdevelopment.Butteststhathavehadtobeusedtomeasurethis developmentarenotwidelyenoughacceptedtosettletheissue.? ?ButBowlby’sanalysisraisesthepossibilitythatearlydaycarehas delayedeffects.Thepossibilitythatsuchcaremightleadtosaymoremental illnessorcrime15or20yearslatercanonlybeexploredbytheuseof statistics.Whateverthelong-termeffectsparentssometimesfindtheimmediate effectsdifficulttodealwith.Childrenunderthreearelikelytoprotestat leavingtheirparentsandshowunhappiness.Attheageofthreeorthreeanda halfalmostallchildrenfindthetransitiontonurseryeasyandthisis undoubtedlywhymoreandmoreparentsmakeuseofchildcareatthistime.The matterthenisfarfromclear-cutthoughexperienceandavailableevidence indicatethatearlycareisreasonablefor infants.Whichofthefollowingbestexpressesthewriter’sattitudetowardsearlydaycare?
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ??????ScientistsDevelopWaysofDetecting HeartAttack{{/B}}??Germanresearchershave{{U}}?1 ?{{/U}}anewgenerationofdefibrillatorsandearlywarningsoftwareaimedat offeringheartpatientsgreaterprotection{{U}}?2?{{/U}}suddendeath fromcardiacarrest.??InGermanyalonearound100000peopledie annuallyasaresultofcardiacarrestandmanyofthesecases{{U}}?3 ?{{/U}}bydisruptiontotheheart’srhythm.ThosemostatriskarePatients whohave{{U}}?4?{{/U}}sufferedaheartattackandforyearstheuseof defibrillatorshasprovedusefulindiagnosing{{U}}?5 ?{{/U}}disruptionstoheartrhythmsandcorrectingthemautomaticallyby interveningwithinseconds.Thesedevices{{U}}?6?{{/U}}arangeof functionssuchasthatofpacemaker.??Heartspecialistsat Freiburg’sUniversityClinichavenowachievedabreakthroughwithallimplanted defibrillator{{U}}?7?{{/U}}ofgeneratingasix-channel electrocardiogramECGwithinthebody.Thisintegratedsystemallowsearly diagnosisof{{U}}?8?{{/U}}blood-flowproblemsandapendingheart attack.Itwillbeimplantedinpatientsforthefirsttimethisyear. MeanwhileresearchersattheFraunhoferInstituteforAppliedMathematicsin Kaiserslauternhavedevelopednewcomputersoftwarethatrenderstheevaluation ofECGdata{{U}}?9?{{/U}}.??Theoverwhelming{{U}} ?10?{{/U}}ofpatientsatriskwillnothaveanimplanted defibrillatorandmustforthisreasonundergoregularECGs.Manyofthe currentprogramsonly{{U}}?11?{{/U}}intoaccountalinearcorrelation ofthedata.Wearehowevermakinguse{{U}}?12?{{/U}}anon-linear processthatrevealsthechaoticpatternsofheartbeatsasanopenandcomplex system.HagenKnafsays.{{U}}?13?{{/U}}changesintheheartbeats overtimecanbemonitoredandindividualvariationsinpatientstakeninto account.AnoldstudyofECGdatabased{{U}}?14?{{/U}}600Patients whohadsufferedasubsequentheartattackenabledtheresearcherstocompare risksandtoshow{{U}}?15?{{/U}}thenewsoftwareevaluatesthedata considerablybetter.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ??????ScientistsDevelopWaysofDetecting HeartAttack{{/B}}??Germanresearchershave{{U}}?1 ?{{/U}}anewgenerationofdefibrillatorsandearlywarningsoftwareaimedat offeringheartpatientsgreaterprotection{{U}}?2?{{/U}}suddendeath fromcardiacarrest.??InGermanyalonearound100000peopledie annuallyasaresultofcardiacarrestandmanyofthesecases{{U}}?3 ?{{/U}}bydisruptiontotheheart’srhythm.ThosemostatriskarePatients whohave{{U}}?4?{{/U}}sufferedaheartattackandforyearstheuseof defibrillatorshasprovedusefulindiagnosing{{U}}?5 ?{{/U}}disruptionstoheartrhythmsandcorrectingthemautomaticallyby interveningwithinseconds.Thesedevices{{U}}?6?{{/U}}arangeof functionssuchasthatofpacemaker.??Heartspecialistsat Freiburg’sUniversityClinichavenowachievedabreakthroughwithallimplanted defibrillator{{U}}?7?{{/U}}ofgeneratingasix-channel electrocardiogramECGwithinthebody.Thisintegratedsystemallowsearly diagnosisof{{U}}?8?{{/U}}blood-flowproblemsandapendingheart attack.Itwillbeimplantedinpatientsforthefirsttimethisyear. MeanwhileresearchersattheFraunhoferInstituteforAppliedMathematicsin Kaiserslauternhavedevelopednewcomputersoftwarethatrenderstheevaluation ofECGdata{{U}}?9?{{/U}}.??Theoverwhelming{{U}} ?10?{{/U}}ofpatientsatriskwillnothaveanimplanted defibrillatorandmustforthisreasonundergoregularECGs.Manyofthe currentprogramsonly{{U}}?11?{{/U}}intoaccountalinearcorrelation ofthedata.Wearehowevermakinguse{{U}}?12?{{/U}}anon-linear processthatrevealsthechaoticpatternsofheartbeatsasanopenandcomplex system.HagenKnafsays.{{U}}?13?{{/U}}changesintheheartbeats overtimecanbemonitoredandindividualvariationsinpatientstakeninto account.AnoldstudyofECGdatabased{{U}}?14?{{/U}}600Patients whohadsufferedasubsequentheartattackenabledtheresearcherstocompare risksandtoshow{{U}}?15?{{/U}}thenewsoftwareevaluatesthedata considerablybetter.
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{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ??????ScientistsDevelopWaysofDetecting HeartAttack{{/B}}??Germanresearchershave{{U}}?1 ?{{/U}}anewgenerationofdefibrillatorsandearlywarningsoftwareaimedat offeringheartpatientsgreaterprotection{{U}}?2?{{/U}}suddendeath fromcardiacarrest.??InGermanyalonearound100000peopledie annuallyasaresultofcardiacarrestandmanyofthesecases{{U}}?3 ?{{/U}}bydisruptiontotheheart’srhythm.ThosemostatriskarePatients whohave{{U}}?4?{{/U}}sufferedaheartattackandforyearstheuseof defibrillatorshasprovedusefulindiagnosing{{U}}?5 ?{{/U}}disruptionstoheartrhythmsandcorrectingthemautomaticallyby interveningwithinseconds.Thesedevices{{U}}?6?{{/U}}arangeof functionssuchasthatofpacemaker.??Heartspecialistsat Freiburg’sUniversityClinichavenowachievedabreakthroughwithallimplanted defibrillator{{U}}?7?{{/U}}ofgeneratingasix-channel electrocardiogramECGwithinthebody.Thisintegratedsystemallowsearly diagnosisof{{U}}?8?{{/U}}blood-flowproblemsandapendingheart attack.Itwillbeimplantedinpatientsforthefirsttimethisyear. MeanwhileresearchersattheFraunhoferInstituteforAppliedMathematicsin Kaiserslauternhavedevelopednewcomputersoftwarethatrenderstheevaluation ofECGdata{{U}}?9?{{/U}}.??Theoverwhelming{{U}} ?10?{{/U}}ofpatientsatriskwillnothaveanimplanted defibrillatorandmustforthisreasonundergoregularECGs.Manyofthe currentprogramsonly{{U}}?11?{{/U}}intoaccountalinearcorrelation ofthedata.Wearehowevermakinguse{{U}}?12?{{/U}}anon-linear processthatrevealsthechaoticpatternsofheartbeatsasanopenandcomplex system.HagenKnafsays.{{U}}?13?{{/U}}changesintheheartbeats overtimecanbemonitoredandindividualvariationsinpatientstakeninto account.AnoldstudyofECGdatabased{{U}}?14?{{/U}}600Patients whohadsufferedasubsequentheartattackenabledtheresearcherstocompare risksandtoshow{{U}}?15?{{/U}}thenewsoftwareevaluatesthedata considerablybetter.
{{*HTML*}}? ?阅读下面的短文文章中有5处空白文章后有6组文字请根据文章的内容选择5组文字将其分别放回文章原有的位置以恢复文章原貌请将答案填在相应的横线上 {{B}}??????????Why DoManyFemaleAthletesFallVictimtoKneeInjuries?{{/B}}? ?RebeccaLoboabasketballstargrabbedareboundduringthefirst secondsofgameinJune1999.{{U}}?1?{{/U}}.Apainshotfromherknee anddroveLobotothefloor.TestsrevealedthatLobohadtomheranterior cruciate十字的交叉的ligament韧带orACLresultingintheendofherplayfor theseason.{{U}}?2?{{/U}}.??Loboperhapsthemost recognizedplayerintheUnitedStatesisoneofagrowingnumberoffemale athletessufferingACLinjuries.Expertssaythatfemaleathletesinmiddle schoolhighschoolcollegeandprofessionalsportsmaybeeighttimesas likelyasmaleathletestoexperienceACLinjury.??{{U}}?3 ?{{/U}}.WhyaresomanyfemaleathletesfallingvictimtoACL injuries???Sportsphysicianssayonereasonisthegrowingnumber offemalesinvolvedinhigh-impactsportssuchassoccerandbasketball.Jeff Bauerabiochemisthoweverthinksbonesizeplaysakeyrole.Heexaminedthe kneejointsofskeletonsof200humanswhohaddiedatanearlyage.? ?Studiesoftheskeletonsof100malesand100femalesshowedin measurementaftermeasurementthatthebonesmakingupafemale’skneeare smallerthanthoseofamaleofthesamesize.Smallerbonesurfacesmayleadto anincreaseinstressplacedontheACLduringsharpmovementssuchasturning jumpingorstopping.??Bauerthinksthesizedifferencemaybe theprimaryreasonthatfemalesinjuretheirkneesmoreoftenthanmalesdowith thesameamountoftrainingandexperience.Nowthat’snotbadaddsBauer andit’snotgood.It’sjustdifferent.??Followingtheknee injuryLobounderwentsurgery.{{U}}?4?{{/U}}.Afterthesurgerythe patientneedsmonthsofphysicaltherapytostrengthenthekneemusclesand ligaments.Eightmonthsafterhavingkneesurgerythepatientstillneedsto exerciseherkneeeveryday.??{{U}}?5?{{/U}}.Theyalso recommendthatplayersdostretchingexercisesbeforeagameorapracticeto helpkeepthekneesflexibleandmoreabletowithstandstressduring play.??A.Whenshelandedshetriedtostandfirmbut couldn’t.??B.Oneofthemorecommontechniquesusedtorepaira tornACLinvolvesreplacingtheentireligament.??C.Sports injuryexpertssaykneeexercisesmayhelpprotectkneesfromACL injury.??D.Practicebeforeandafteragameisagoodwayto avoidinjuriestoknees.??E.Thousandsoffemaleathleteshave sufferedafatesimilartoRebecca’s.??F.TheACLisashort bandoftissuethatkeepsthekneestableduringmovement.
{{*HTML*}}{{B}}第二篇{{/B}} {{B}}??????? ??????????? ??ElectronicMail{{/B}}??Duringthepastfewyears scientisttheworldoverhavesuddenlyfoundthemselvesproductivelyengagedin tasktheyoncespenttheirlivesavoiding-writinganykindofwritingbut particularlyletterwriting.Encouragedbyelectronicmail’ssurprisinglyhigh speedconvenienceandeconomypeoplewhoneverbeforetouchedthestuffare regularlyskillfullyevencheerfullytappingoutagreatdealof correspondence.??Electronicnetworkswovenintothefabricof scientificcommunicationthesedaysaretheroutetocolleaguesindistant countiesshareddatabulletinboardsandelectronicjournals.Anyonewitha personalcomputeramodemandthesoftwaretolinkcomputersovertelephone linescansignon.Anestimatedfivemillionscientistshavedonesowithmore joiningeverydaymostofthemcommunicatingthroughabundleofinterconnected domesticandforeignroutesknowncollectivelyastheinternetornet.? ?E-mailisstaringtoedgeoutthefaxthetelephoneovernightmailand ofcourselandmail.Itshrinkstimeanddistancebetweenscientific collaboratorsinpar[becauseitisconvenientlyasynchronouswriterscantype whiletheircolleaguesacrosstimezonessleep;theirmessagewillbewaiting. Ifitisnotyetspeedingdiscoveriesitiscertainlyaccelerating communication.??JeremyBernsteithephysicistandscience writeroncecalledE-mailthephysicist’sumbilicalcord.Latelyotherpeople toohavebeendiscoveringitsconnectivevirtues.Physicistsareusingit; collegestudentsareusingiteverybodyisusingitandasasignthatithas comeofagetheNewYorkerhasacceleratesitsliberatingpresencewitha cartoon--anappreciativedogseatedatakeyboardsayinghappilyOnthe Internetnobodyknowsyou’readog.Howistheinternetornetexplainedinthepassage?
{{*HTML*}}? ?阅读下面的短文文章中有5处空白文章后有6组文字请根据文章的内容选择5组文字将其分别放回文章原有的位置以恢复文章原貌请将答案填在相应的横线上 {{B}}??????????Why DoManyFemaleAthletesFallVictimtoKneeInjuries?{{/B}}? ?RebeccaLoboabasketballstargrabbedareboundduringthefirst secondsofgameinJune1999.{{U}}?1?{{/U}}.Apainshotfromherknee anddroveLobotothefloor.TestsrevealedthatLobohadtomheranterior cruciate十字的交叉的ligament韧带orACLresultingintheendofherplayfor theseason.{{U}}?2?{{/U}}.??Loboperhapsthemost recognizedplayerintheUnitedStatesisoneofagrowingnumberoffemale athletessufferingACLinjuries.Expertssaythatfemaleathletesinmiddle schoolhighschoolcollegeandprofessionalsportsmaybeeighttimesas likelyasmaleathletestoexperienceACLinjury.??{{U}}?3 ?{{/U}}.WhyaresomanyfemaleathletesfallingvictimtoACL injuries???Sportsphysicianssayonereasonisthegrowingnumber offemalesinvolvedinhigh-impactsportssuchassoccerandbasketball.Jeff Bauerabiochemisthoweverthinksbonesizeplaysakeyrole.Heexaminedthe kneejointsofskeletonsof200humanswhohaddiedatanearlyage.? ?Studiesoftheskeletonsof100malesand100femalesshowedin measurementaftermeasurementthatthebonesmakingupafemale’skneeare smallerthanthoseofamaleofthesamesize.Smallerbonesurfacesmayleadto anincreaseinstressplacedontheACLduringsharpmovementssuchasturning jumpingorstopping.??Bauerthinksthesizedifferencemaybe theprimaryreasonthatfemalesinjuretheirkneesmoreoftenthanmalesdowith thesameamountoftrainingandexperience.Nowthat’snotbadaddsBauer andit’snotgood.It’sjustdifferent.??Followingtheknee injuryLobounderwentsurgery.{{U}}?4?{{/U}}.Afterthesurgerythe patientneedsmonthsofphysicaltherapytostrengthenthekneemusclesand ligaments.Eightmonthsafterhavingkneesurgerythepatientstillneedsto exerciseherkneeeveryday.??{{U}}?5?{{/U}}.Theyalso recommendthatplayersdostretchingexercisesbeforeagameorapracticeto helpkeepthekneesflexibleandmoreabletowithstandstressduring play.??A.Whenshelandedshetriedtostandfirmbut couldn’t.??B.Oneofthemorecommontechniquesusedtorepaira tornACLinvolvesreplacingtheentireligament.??C.Sports injuryexpertssaykneeexercisesmayhelpprotectkneesfromACL injury.??D.Practicebeforeandafteragameisagoodwayto avoidinjuriestoknees.??E.Thousandsoffemaleathleteshave sufferedafatesimilartoRebecca’s.??F.TheACLisashort bandoftissuethatkeepsthekneestableduringmovement.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ??????ScientistsDevelopWaysofDetecting HeartAttack{{/B}}??Germanresearchershave{{U}}?1 ?{{/U}}anewgenerationofdefibrillatorsandearlywarningsoftwareaimedat offeringheartpatientsgreaterprotection{{U}}?2?{{/U}}suddendeath fromcardiacarrest.??InGermanyalonearound100000peopledie annuallyasaresultofcardiacarrestandmanyofthesecases{{U}}?3 ?{{/U}}bydisruptiontotheheart’srhythm.ThosemostatriskarePatients whohave{{U}}?4?{{/U}}sufferedaheartattackandforyearstheuseof defibrillatorshasprovedusefulindiagnosing{{U}}?5 ?{{/U}}disruptionstoheartrhythmsandcorrectingthemautomaticallyby interveningwithinseconds.Thesedevices{{U}}?6?{{/U}}arangeof functionssuchasthatofpacemaker.??Heartspecialistsat Freiburg’sUniversityClinichavenowachievedabreakthroughwithallimplanted defibrillator{{U}}?7?{{/U}}ofgeneratingasix-channel electrocardiogramECGwithinthebody.Thisintegratedsystemallowsearly diagnosisof{{U}}?8?{{/U}}blood-flowproblemsandapendingheart attack.Itwillbeimplantedinpatientsforthefirsttimethisyear. MeanwhileresearchersattheFraunhoferInstituteforAppliedMathematicsin Kaiserslauternhavedevelopednewcomputersoftwarethatrenderstheevaluation ofECGdata{{U}}?9?{{/U}}.??Theoverwhelming{{U}} ?10?{{/U}}ofpatientsatriskwillnothaveanimplanted defibrillatorandmustforthisreasonundergoregularECGs.Manyofthe currentprogramsonly{{U}}?11?{{/U}}intoaccountalinearcorrelation ofthedata.Wearehowevermakinguse{{U}}?12?{{/U}}anon-linear processthatrevealsthechaoticpatternsofheartbeatsasanopenandcomplex system.HagenKnafsays.{{U}}?13?{{/U}}changesintheheartbeats overtimecanbemonitoredandindividualvariationsinpatientstakeninto account.AnoldstudyofECGdatabased{{U}}?14?{{/U}}600Patients whohadsufferedasubsequentheartattackenabledtheresearcherstocompare risksandtoshow{{U}}?15?{{/U}}thenewsoftwareevaluatesthedata considerablybetter.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ??????ScientistsDevelopWaysofDetecting HeartAttack{{/B}}??Germanresearchershave{{U}}?1 ?{{/U}}anewgenerationofdefibrillatorsandearlywarningsoftwareaimedat offeringheartpatientsgreaterprotection{{U}}?2?{{/U}}suddendeath fromcardiacarrest.??InGermanyalonearound100000peopledie annuallyasaresultofcardiacarrestandmanyofthesecases{{U}}?3 ?{{/U}}bydisruptiontotheheart’srhythm.ThosemostatriskarePatients whohave{{U}}?4?{{/U}}sufferedaheartattackandforyearstheuseof defibrillatorshasprovedusefulindiagnosing{{U}}?5 ?{{/U}}disruptionstoheartrhythmsandcorrectingthemautomaticallyby interveningwithinseconds.Thesedevices{{U}}?6?{{/U}}arangeof functionssuchasthatofpacemaker.??Heartspecialistsat Freiburg’sUniversityClinichavenowachievedabreakthroughwithallimplanted defibrillator{{U}}?7?{{/U}}ofgeneratingasix-channel electrocardiogramECGwithinthebody.Thisintegratedsystemallowsearly diagnosisof{{U}}?8?{{/U}}blood-flowproblemsandapendingheart attack.Itwillbeimplantedinpatientsforthefirsttimethisyear. MeanwhileresearchersattheFraunhoferInstituteforAppliedMathematicsin Kaiserslauternhavedevelopednewcomputersoftwarethatrenderstheevaluation ofECGdata{{U}}?9?{{/U}}.??Theoverwhelming{{U}} ?10?{{/U}}ofpatientsatriskwillnothaveanimplanted defibrillatorandmustforthisreasonundergoregularECGs.Manyofthe currentprogramsonly{{U}}?11?{{/U}}intoaccountalinearcorrelation ofthedata.Wearehowevermakinguse{{U}}?12?{{/U}}anon-linear processthatrevealsthechaoticpatternsofheartbeatsasanopenandcomplex system.HagenKnafsays.{{U}}?13?{{/U}}changesintheheartbeats overtimecanbemonitoredandindividualvariationsinpatientstakeninto account.AnoldstudyofECGdatabased{{U}}?14?{{/U}}600Patients whohadsufferedasubsequentheartattackenabledtheresearcherstocompare risksandtoshow{{U}}?15?{{/U}}thenewsoftwareevaluatesthedata considerablybetter.
{{*HTML*}}{{B}}第三篇{{/B}} {{B}}??????? ??????????? ???????IQ-gene{{/B}}??In theangrydebateoverhowmuchofIQcomesfromthegenesthatchildreninherit fromparentsandhowmuchcomesfromexperiencesonelittlefactgets overlooked:noonehasidentifiedanygenesotherthanthosethatcause retardationthataffectintelligence.SoresearchersledbyRobertPlominof London’sInstituteofPsychiatrydecidedtolookforsome.Theyfiguredthatif youwanttofindasmartgeneyoushouldlookinsmartkids.Theytherefore examinedtheDNAofstudentslikethosewhoaresobrightthattheytakecollege entranceexamsfouryearsearly--andstillscoreatPrinceton--caliberlevels. Thescientistsfoundwhattheysought.WehavesaysPlominthefirst specificgeneeverassociatedwithgeneralintelligence.? ?Plomin’scolleaguesdrewbloodfromtwogroupsof51childreneachall6 to15yearsoldandlivinginsixcountiesaroundCleveland.Inonegroupthe averageIQis103.Allthechildrenarewhite.Isolatingthebloodcellsthe researchersthenexaminedeachchild’schromosome6ofthe37landmarkson chromosome6thattheresearcherslookedforonejumpedout:aformofgene calledIGF2Roccurredintwiceasmanychildreninthehigh-IQgroupasinthe averagegroup--32percentversus16percent.ThestudyintheMayissueofthe journalPsychologicalScienceconcludesthatitisthisformoftheIGF2Rgene thatcontributestointelligence.Somegeneticistsseemajorproblemswiththe IQ-genestudy.OneisthepossibilitythatPlomin’sgroupfellforchopsticks fallacy.Geneticistsmightthinkthey’vefoundageneforchopsticks flexibilitybutallthey’vereallyfoundisagenemorecommoninAsiansthan sayAfricans.SimilarlyPlomin’sIQgenemightsimplybeonethatismore commoningroupsmatemphasizeacademicachievement.Whatisthegenethat they’vefoundreflectsethnicity?asksgeneticistAndrewFeinbergofJohns HopkinsUniversity.ThatalonemightexplainthelinktointelligencesinceIQ testsareknownforbeingculturallysensitiveandaffectedbyachild’s environment.AndNeilRischofStandfordUniversitypointsoutthatifyoulook for37genesonachromosomeastheresearchersdidandfindthatoneismore commoninsmarterkidsthatmightreflectpurechanceratherthanacausallink betweenthegeneandintelligence.WarnsFeinbergIwouldtakethesefindings withawholeboxofsalt.WhatdoesFeinbergmeanbysayingIwouldtakethesefindingswithawholeboxofsalt?
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}}??????? ??????ScientistsDevelopWaysofDetecting HeartAttack{{/B}}??Germanresearchershave{{U}}?1 ?{{/U}}anewgenerationofdefibrillatorsandearlywarningsoftwareaimedat offeringheartpatientsgreaterprotection{{U}}?2?{{/U}}suddendeath fromcardiacarrest.??InGermanyalonearound100000peopledie annuallyasaresultofcardiacarrestandmanyofthesecases{{U}}?3 ?{{/U}}bydisruptiontotheheart’srhythm.ThosemostatriskarePatients whohave{{U}}?4?{{/U}}sufferedaheartattackandforyearstheuseof defibrillatorshasprovedusefulindiagnosing{{U}}?5 ?{{/U}}disruptionstoheartrhythmsandcorrectingthemautomaticallyby interveningwithinseconds.Thesedevices{{U}}?6?{{/U}}arangeof functionssuchasthatofpacemaker.??Heartspecialistsat Freiburg’sUniversityClinichavenowachievedabreakthroughwithallimplanted defibrillator{{U}}?7?{{/U}}ofgeneratingasix-channel electrocardiogramECGwithinthebody.Thisintegratedsystemallowsearly diagnosisof{{U}}?8?{{/U}}blood-flowproblemsandapendingheart attack.Itwillbeimplantedinpatientsforthefirsttimethisyear. MeanwhileresearchersattheFraunhoferInstituteforAppliedMathematicsin Kaiserslauternhavedevelopednewcomputersoftwarethatrenderstheevaluation ofECGdata{{U}}?9?{{/U}}.??Theoverwhelming{{U}} ?10?{{/U}}ofpatientsatriskwillnothaveanimplanted defibrillatorandmustforthisreasonundergoregularECGs.Manyofthe currentprogramsonly{{U}}?11?{{/U}}intoaccountalinearcorrelation ofthedata.Wearehowevermakinguse{{U}}?12?{{/U}}anon-linear processthatrevealsthechaoticpatternsofheartbeatsasanopenandcomplex system.HagenKnafsays.{{U}}?13?{{/U}}changesintheheartbeats overtimecanbemonitoredandindividualvariationsinpatientstakeninto account.AnoldstudyofECGdatabased{{U}}?14?{{/U}}600Patients whohadsufferedasubsequentheartattackenabledtheresearcherstocompare risksandtoshow{{U}}?15?{{/U}}thenewsoftwareevaluatesthedata considerablybetter.
{{*HTML*}}下面的短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提的是正确的信息请选择A如果该句提的是错误信息衣选择B如果该句的信息文中没有提及请选择C ?? EvolutionofSleep? ?Sleepisveryancient.Intheelectroencephalographicsenseweshareit withalltheprimatesandalmostalltheothermammalsandbirds:itmayextend backasfarasthereptiles.??Thereissomeevidencethatthetwo typesofsleepdreaminganddreamlessdependonthelife-styleoftheanimal andthatpredatorsarestatisticallymuchmorelikelytodreamthanpreywhich areinturnmuchmorelikelytoexperiencedreamlesssleep.Indreamsleepthe animalispowerfullyimmobilizedandremarkablyunresponsivetoexternal stimuli.??Dreamlesssleepismuchshallowerandwehaveall witnessedcatsordogscockingtheirearstoasoundwhenapparentlyfast asleep.Thefactthatdeepdreamsleepisrareamongpreytodayseemsclearlyto beaproductofnaturalselectionanditmakessensethattodaywhensleepis highlyevolvedthestupidanimalsarelessfrequentlyimmobilizedbydeepsleep thanthesmartones.Butwhyshouldtheysleepdeeplyatall?? ?Whyshouldastateofsuchdeepimmobilizationeverhaveevolved?Perhaps oneusefulhintabouttheoriginalfunctionofsleepistobefoundinthefact thatdolphinsandwhalesandaquaticmammalsingeneralseemtosleepvery little.Thereisbyandlargenoplacetohideintheocean.? ?Coulditbethatratherthanincreasingananimal’svulnerabilitythe functionofsleepistodecreaseit?WilseWebboftheUniversityofFloridaand RayMeddisofLondonUniversityhavesuggestedthistobethecase.Itis conceivablethatanimalswhoaretoostupidtobequietontheirowninitiative areduringperiodsofhighriskimmobilizedbytheimplacablearmofsleep. Thepointseemsparticularlyclearfortheyoungofpredatoryanimals.Thisis aninterestingnotionandprobablyatleastpartly true.Catsanddogsoftenhavedreamlesssleep.
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