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? ?阅读下面这篇短文，短文后列出了7个句子，请根据短文的内容对每个句子作出判断。如果该句提供的是正确信息，请选择A项；如果该句提供的错误信息，请选择B项；如果该句的信息文章中没有提及，请选择C项...
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{{*HTML*}}??阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 ??????? ??????????? ?????????{{B}}MostAdultsin USHaveLowRiskofHeartDisease{{/B}}??Morethan80percentofUS adultshavealessthan10-percentriskofdevelopingheartdiseaseinthenext 10yearsaccordingtoareportintheJournaloftheAmericanCollegeof Cardiology.Just3percenthaveariskthatexceeds20percent.? ?Ihopethatthesenumberswillgivephysiciansresearchershealth policyanalystsandothersabetterideaofhowcoronaryheartdiseaseis distributedintheUSpopulationleadauthorDr.EarlS.Ford.fromthe CentersforDiseaseControlandPreventioninAtlantasaidina statement.??Thefindingsarebasedonanalysisofdatafrom 13769subjectsbetween20and79yearsofagewhoparticipatedintheThird NationalHealthandNutritionExaminationSurveyfrom1988to1994.? ?Overall82percentofadultshadariskoflessthan10percent15 percenthadariskthatfellbetween10to20percentand3percenthadarisk above20percent.??Theproportionofsubjectsinthehighestrisk groupincreasedwithadvancingageandmenweremorelikelythanwomentobein thisgroup.Bycontrastraceorethnicityhadlittleeffectonrisk distributions.??Althoughthereportsuggeststhatmostadults havealow10-yearriskofheartdiseasealargeproportionhaveahighor immediateriskDr.DanielS.BermanfromCedars-SinaiMedicalCenterinLos AngelesandDr.NathanD.WongfromtheUniversityofCaliforniaatIrvine noteinarelatededitorial.??Aggressivetreatmentmeasuresand publichealthstrategiesareneededtoshifttheoverallpopulationrisk downwardtheyadd.Only3percentofUSadultshaveamorethan10percent10-yearriskofheartdisease.
{{*HTML*}}{{B}}第三篇{{/B}} ??????? ??????????? ??????????? {{B}}PushbikePeril{{/B}}??Lowspeedbicyclecrashescanbadlyinjure —orevenkill—childreniftheyfallontotheendsofthehandlebars.Soa teamofengineersisredesigningthehumblehandlebarinabidtomakeit safer.??KristyArbogastabioengineerattheChildren’sHospital ofPhiladelphiainPennsylvaniabegantheprojectwithhercolleaguesaftera studyofseriousabdominalinjuriesinchildreninthepast30yearsshowedthat morethanathirdwerecausedbybicycleaccidents.Thetaskwastoidentify howtheinjuriesoccurredandcomeupwithsomecountermeasuresshe says.??ByinterviewingthechildrenandtheirparentsArbogast andherteamwereabletogreconstructmanyoftheaccidentsandidentifieda commonmechanismresponsibleforseriousinjuries.Theydiscoveredthatmost occurwhenchildrenhitanobstacleataslowspeedcausingthemtotopple over5.Tomaintaintheirbalancetheyturnthehandlebarsthrough90degrees— buttheirmomentumforcesthemintotheendofthehandlebars.Thebikethen fallsoverandtheotherendofthehandlebarshitsthegroundrammingitinto theirabdomen6.??Thesolutionthegroupcameupwithisa handgripfittedwithaspringanddampingsystem.Thespringabsorbsupto50 percentoftheforcestransmittedthroughthehandlebarsinanimpact.The grouphopestocommercializethedevicewhichshouldaddonlyafewdollarsto thecostofabike.Butourtaskhasbeenoneofeducationbecauseupuntil nowbicyclemanufacturerswereunawareoftheproblemsays Arbogast.??TheteamhasalsoapproachedtheUSConsumerProduct SafetyCommissiontotrytopersuademanufacturerstoadoptthenewdesign.A decisionisexpectedlaterthisyear.Paragraph3mainlydiscusses
{{*HTML*}}{{B}}第二篇{{/B}} ??????? ??????????? ?????????{{B}}Callingfor SafeCelebrationsThisFourthofJuly{{/B}}??LastFourthofJuly Petea14-year-oldboywasenjoyingthelit-upskiesandloudboomsfromthe fireworksbeingsetoffinhisneighborhood.Suddenlytheeveningtooka terribleturn.Abottlerocketshotintohiseyeimmediatelycausinghim terriblepain.Hisfamilyrushedhimtotheemergencyroomfortreatment.Asa resultoftheinjuryPetedevelopedglaucomaandcataracts.TodayPetehas permanentvisionlossinhisinjuredeyebecauseofhisbottlerocket injury.??JuneisFireworksEyeSafetyAwarenessMonthand throughitsEyeSmartcampaigntheAmericanAcademyofOphthalmologywantsto remindconsumerstoleavefireworkstoprofessionals.Thereisnothingworse thana.FourthofJulycelebrationruinedbysomeonebeinghitintheeyewitha bottlerocketsaidDr.JohnC.HaganclinicalcorrespondentfortheAcademy andanophthalmologistatDiscoverVisionCentersinKansasCity.Asafe celebrationmeanslettingtrainedprofessionalshandlefireworkswhileyouenjoy theshow.??AccordingtotheU.S.ConsumerProductSafety Commissionmorethan9000fireworks-relatedinjurieshappeneachyear.Of thesenearlyhalfarehead-relatedinjurieswithnearly30percentofthese injuriestotheeye.One-fourthoffireworkseyeinjuriesresultinpermanent visionlossorblindness.Childrenarethemostcommonvictimsoffirework abusewiththosefifteenyearsoldoryoungeraccountingfor50percentof fireworkseyeinjuriesintheUnitedStates.Dr.Haganestimatesthathis practiceseesmorethan30injurieseachyearfromfireworks.? ?Evenfireworksthatmanypeopleconsidersaferepresentathreattothe eyes.Forchildrenundertheageoffiveapparentlyharmlesssparklersaccount forone-thirdofallfireworksinjuries.Sparklerscanburnatnearly2000 degreesFahrenheit.TheAmericanAcademyofOphthalmologycallsonconsumersto
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ??????????? ???????{{B}}NappingtoaHealthier Heart?{{/B}}??1.Researcherssaytheyhavedevelopedasimpletest thatcantellifapersonwithheartdiseaseislikelytosufferaheartattack. Thetestmeasureslevelsofaproteinintheblood.Theresearcherssaypeople withhighlevelsofthisproteinareathighriskofheartattackheartfailure orstroke.??2.KirstenBibbins-DomingooftheUniversityof CaliforniainSanFranciscoledtheteam.Foraboutfouryearstheystudied almostonethousandpatientswithheartdisease.Theresearcherstestedthe heartdiseasepatientsforaproteincalledNT-proBNP.Patientswiththehighest levelswerenearlyeighttimesmorelikelythanthosewiththelowestlevelsto haveaheartattackheartfailureorstroke.??3.Theresearchers saythepresenceofhighlevelsoftheproteininthebloodshowsthattheheart muscleisunderpressureinsomeway.Thestudyinvolvedmostlymensothe researcherscouldnotsayforsure5thattheresultsarealsotrueforwomen. TheysaythepatientswiththehighestlevelsofNT-proBNPwereolderandhad otherproblemslikediabetesorhighbloodpressure.??4.Other researcherssaymorestudiesareneededtoconfirmifknowingtheproteinlevels ofaheartpatientshouldaffectthatperson’streatment.Theyalsowouldlike toknowifmoreaggressivetreatmentcouldreducethepatient’schanceofa heartattackorstroke.ThestudyappearedintheJournaloftheAmerican MedicalAssociation.??5.Couldalittlesleepduringthemiddle ofthedayreducetheriskofaheartattack?Anunrelatedstudyearlierthis monthintheArchivesofInternalMedicinesuggeststhattheanswermaybeyes. IncountriesliketheUnitedStatesafternoonnapsaremostlyforchildren.But theyarecommonforadultsinMediterraneancountries.Andthesecountries generallyhavelowerratesofheartdisease.SoscientistsintheUnitedStates andGreecewonderedifnapscouldplayapart.Twenty-threethousandhealthy adultstookpartinthestudybyHarvardUniversityandtheUniversityof Athens.Thosewhotookthirty-minutenapsthreetimesaweekhadathirty-seven percentlowerriskofdeathfromheartproblemsthanpeoplewhodidnottake naps.??6.Theresearcherssaynappingmayimprovehearthealthby reducingstress.Theysaytheresearchsuggeststhatnapsareespeciallygood forworkingmen.Buttheysaynotenoughfemalesubjectsdiedduringthestudy tojudgethebenefitsforwomen.AccordingtosomeresearchersbymeasuringthelevelsofNT-proBNPinthebloodpeoplemayknow______ A?wherefewerpeoplediefromheartproblem. B?whethertheyhavetheriskofheartattackheartfailureorstroke. C?wouldprobablyhavelowerratesofheartdisease. D?howtotestaperson’sNT-proBNPlevelinthebloodbyhimself. E?hisheartmusclewouldbeunderpressureinsomeway. F?thatnappingisofgreatbenefittowomentoo.
{{*HTML*}}??阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 ??????? ??????????? ?????????{{B}}MostAdultsin USHaveLowRiskofHeartDisease{{/B}}??Morethan80percentofUS adultshavealessthan10-percentriskofdevelopingheartdiseaseinthenext 10yearsaccordingtoareportintheJournaloftheAmericanCollegeof Cardiology.Just3percenthaveariskthatexceeds20percent.? ?Ihopethatthesenumberswillgivephysiciansresearchershealth policyanalystsandothersabetterideaofhowcoronaryheartdiseaseis distributedintheUSpopulationleadauthorDr.EarlS.Ford.fromthe CentersforDiseaseControlandPreventioninAtlantasaidina statement.??Thefindingsarebasedonanalysisofdatafrom 13769subjectsbetween20and79yearsofagewhoparticipatedintheThird NationalHealthandNutritionExaminationSurveyfrom1988to1994.? ?Overall82percentofadultshadariskoflessthan10percent15 percenthadariskthatfellbetween10to20percentand3percenthadarisk above20percent.??Theproportionofsubjectsinthehighestrisk groupincreasedwithadvancingageandmenweremorelikelythanwomentobein thisgroup.Bycontrastraceorethnicityhadlittleeffectonrisk distributions.??Althoughthereportsuggeststhatmostadults havealow10-yearriskofheartdiseasealargeproportionhaveahighor immediateriskDr.DanielS.BermanfromCedars-SinaiMedicalCenterinLos AngelesandDr.NathanD.WongfromtheUniversityofCaliforniaatIrvine noteinarelatededitorial.??Aggressivetreatmentmeasuresand publichealthstrategiesareneededtoshifttheoverallpopulationrisk downwardtheyadd.Elderlypeoplehaveahigherriskofheartdiseasethanyoungerpeople.
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{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ??????????? ???????{{B}}NappingtoaHealthier Heart?{{/B}}??1.Researcherssaytheyhavedevelopedasimpletest thatcantellifapersonwithheartdiseaseislikelytosufferaheartattack. Thetestmeasureslevelsofaproteinintheblood.Theresearcherssaypeople withhighlevelsofthisproteinareathighriskofheartattackheartfailure orstroke.??2.KirstenBibbins-DomingooftheUniversityof CaliforniainSanFranciscoledtheteam.Foraboutfouryearstheystudied almostonethousandpatientswithheartdisease.Theresearcherstestedthe heartdiseasepatientsforaproteincalledNT-proBNP.Patientswiththehighest levelswerenearlyeighttimesmorelikelythanthosewiththelowestlevelsto haveaheartattackheartfailureorstroke.??3.Theresearchers saythepresenceofhighlevelsoftheproteininthebloodshowsthattheheart muscleisunderpressureinsomeway.Thestudyinvolvedmostlymensothe researcherscouldnotsayforsure5thattheresultsarealsotrueforwomen. TheysaythepatientswiththehighestlevelsofNT-proBNPwereolderandhad otherproblemslikediabetesorhighbloodpressure.??4.Other researcherssaymorestudiesareneededtoconfirmifknowingtheproteinlevels ofaheartpatientshouldaffectthatperson’streatment.Theyalsowouldlike toknowifmoreaggressivetreatmentcouldreducethepatient’schanceofa heartattackorstroke.ThestudyappearedintheJournaloftheAmerican MedicalAssociation.??5.Couldalittlesleepduringthemiddle ofthedayreducetheriskofaheartattack?Anunrelatedstudyearlierthis monthintheArchivesofInternalMedicinesuggeststhattheanswermaybeyes. IncountriesliketheUnitedStatesafternoonnapsaremostlyforchildren.But theyarecommonforadultsinMediterraneancountries.Andthesecountries generallyhavelowerratesofheartdisease.SoscientistsintheUnitedStates andGreecewonderedifnapscouldplayapart.Twenty-threethousandhealthy adultstookpartinthestudybyHarvardUniversityandtheUniversityof Athens.Thosewhotookthirty-minutenapsthreetimesaweekhadathirty-seven percentlowerriskofdeathfromheartproblemsthanpeoplewhodidnottake naps.??6.Theresearcherssaynappingmayimprovehearthealthby reducingstress.Theysaytheresearchsuggeststhatnapsareespeciallygood forworkingmen.Buttheysaynotenoughfemalesubjectsdiedduringthestudy tojudgethebenefitsforwomen.Paragraph5______
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{{*HTML*}}{{B}}第三篇{{/B}} ??????? ??????????? ??????????? {{B}}PushbikePeril{{/B}}??Lowspeedbicyclecrashescanbadlyinjure —orevenkill—childreniftheyfallontotheendsofthehandlebars.Soa teamofengineersisredesigningthehumblehandlebarinabidtomakeit safer.??KristyArbogastabioengineerattheChildren’sHospital ofPhiladelphiainPennsylvaniabegantheprojectwithhercolleaguesaftera studyofseriousabdominalinjuriesinchildreninthepast30yearsshowedthat morethanathirdwerecausedbybicycleaccidents.Thetaskwastoidentify howtheinjuriesoccurredandcomeupwithsomecountermeasuresshe says.??ByinterviewingthechildrenandtheirparentsArbogast andherteamwereabletogreconstructmanyoftheaccidentsandidentifieda commonmechanismresponsibleforseriousinjuries.Theydiscoveredthatmost occurwhenchildrenhitanobstacleataslowspeedcausingthemtotopple over5.Tomaintaintheirbalancetheyturnthehandlebarsthrough90degrees— buttheirmomentumforcesthemintotheendofthehandlebars.Thebikethen fallsoverandtheotherendofthehandlebarshitsthegroundrammingitinto theirabdomen6.??Thesolutionthegroupcameupwithisa handgripfittedwithaspringanddampingsystem.Thespringabsorbsupto50 percentoftheforcestransmittedthroughthehandlebarsinanimpact.The grouphopestocommercializethedevicewhichshouldaddonlyafewdollarsto thecostofabike.Butourtaskhasbeenoneofeducationbecauseupuntil nowbicyclemanufacturerswereunawareoftheproblemsays Arbogast.??TheteamhasalsoapproachedtheUSConsumerProduct SafetyCommissiontotrytopersuademanufacturerstoadoptthenewdesign.A decisionisexpectedlaterthisyear.Inwhichofthefollowingwaysthehandgripwork?
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ??????????? ???????{{B}}NappingtoaHealthier Heart?{{/B}}??1.Researcherssaytheyhavedevelopedasimpletest thatcantellifapersonwithheartdiseaseislikelytosufferaheartattack. Thetestmeasureslevelsofaproteinintheblood.Theresearcherssaypeople withhighlevelsofthisproteinareathighriskofheartattackheartfailure orstroke.??2.KirstenBibbins-DomingooftheUniversityof CaliforniainSanFranciscoledtheteam.Foraboutfouryearstheystudied almostonethousandpatientswithheartdisease.Theresearcherstestedthe heartdiseasepatientsforaproteincalledNT-proBNP.Patientswiththehighest levelswerenearlyeighttimesmorelikelythanthosewiththelowestlevelsto haveaheartattackheartfailureorstroke.??3.Theresearchers saythepresenceofhighlevelsoftheproteininthebloodshowsthattheheart muscleisunderpressureinsomeway.Thestudyinvolvedmostlymensothe researcherscouldnotsayforsure5thattheresultsarealsotrueforwomen. TheysaythepatientswiththehighestlevelsofNT-proBNPwereolderandhad otherproblemslikediabetesorhighbloodpressure.??4.Other researcherssaymorestudiesareneededtoconfirmifknowingtheproteinlevels ofaheartpatientshouldaffectthatperson’streatment.Theyalsowouldlike toknowifmoreaggressivetreatmentcouldreducethepatient’schanceofa heartattackorstroke.ThestudyappearedintheJournaloftheAmerican MedicalAssociation.??5.Couldalittlesleepduringthemiddle ofthedayreducetheriskofaheartattack?Anunrelatedstudyearlierthis monthintheArchivesofInternalMedicinesuggeststhattheanswermaybeyes. IncountriesliketheUnitedStatesafternoonnapsaremostlyforchildren.But theyarecommonforadultsinMediterraneancountries.Andthesecountries generallyhavelowerratesofheartdisease.SoscientistsintheUnitedStates andGreecewonderedifnapscouldplayapart.Twenty-threethousandhealthy adultstookpartinthestudybyHarvardUniversityandtheUniversityof Athens.Thosewhotookthirty-minutenapsthreetimesaweekhadathirty-seven percentlowerriskofdeathfromheartproblemsthanpeoplewhodidnottake naps.??6.Theresearcherssaynappingmayimprovehearthealthby reducingstress.Theysaytheresearchsuggeststhatnapsareespeciallygood forworkingmen.Buttheysaynotenoughfemalesubjectsdiedduringthestudy tojudgethebenefitsforwomen.Paragraph2______ A?EffectsofNappinginFemalesStillUncertain B?OlderMalesHaveHigherLevelsofNT-proBNP C?DevelopmentofaSimplebutImportantTest D?EvidenceofPositiveRelationshipBetweenNappingandHeartDisease E?HowtoControltheLevelsofNT-proBNP F?EffectsofNT-proBNPonHeartDisease
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{{*HTML*}}{{B}}第二篇{{/B}} ??????? ??????????? ?????????{{B}}Callingfor SafeCelebrationsThisFourthofJuly{{/B}}??LastFourthofJuly Petea14-year-oldboywasenjoyingthelit-upskiesandloudboomsfromthe fireworksbeingsetoffinhisneighborhood.Suddenlytheeveningtooka terribleturn.Abottlerocketshotintohiseyeimmediatelycausinghim terriblepain.Hisfamilyrushedhimtotheemergencyroomfortreatment.Asa resultoftheinjuryPetedevelopedglaucomaandcataracts.TodayPetehas permanentvisionlossinhisinjuredeyebecauseofhisbottlerocket injury.??JuneisFireworksEyeSafetyAwarenessMonthand throughitsEyeSmartcampaigntheAmericanAcademyofOphthalmologywantsto remindconsumerstoleavefireworkstoprofessionals.Thereisnothingworse thana.FourthofJulycelebrationruinedbysomeonebeinghitintheeyewitha bottlerocketsaidDr.JohnC.HaganclinicalcorrespondentfortheAcademy andanophthalmologistatDiscoverVisionCentersinKansasCity.Asafe celebrationmeanslettingtrainedprofessionalshandlefireworkswhileyouenjoy theshow.??AccordingtotheU.S.ConsumerProductSafety Commissionmorethan9000fireworks-relatedinjurieshappeneachyear.Of thesenearlyhalfarehead-relatedinjurieswithnearly30percentofthese injuriestotheeye.One-fourthoffireworkseyeinjuriesresultinpermanent visionlossorblindness.Childrenarethemostcommonvictimsoffirework abusewiththosefifteenyearsoldoryoungeraccountingfor50percentof fireworkseyeinjuriesintheUnitedStates.Dr.Haganestimatesthathis practiceseesmorethan30injurieseachyearfromfireworks.? ?Evenfireworksthatmanypeopleconsidersaferepresentathreattothe eyes.Forchildrenundertheageoffiveapparentlyharmlesssparklersaccount forone-thirdofallfireworksinjuries.Sparklerscanburnatnearly2000 degreesFahrenheit.FireworkseyeinjuriescanresultineachofthefollowingEXCEPT
{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每题后面有4个选项请仔细阅读短文并根据短文回答其后面的问题{{B}}第一篇{{/B}} ?????????? ??????????? ????????{{B}}MultivitaminsUrged forAllPregnantWomen{{/B}}??ArecentstudyinTanzaniafoundthat whenpregnantwomentookvitaminseverydayfewerbabieswereborntoosmall. Babiesthatweighlessthantwoandone-halfkilogramsatbirthhaveagreater riskofdying.Thosethatsurvivearemorelikelytoexperienceproblemswith theirdevelopment.Andexpertssaythatasadultstheyhaveahigherriskof diseasesincludingheartdiseaseanddiabetes.TheWorldHealthOrganization estimatesthateveryyeartwentymillionbabiesarebornwithlowbirthweight. Nineoutoftenofthemarebornindevelopingcountries.??The newstudytookplaceinDaresSalaam.4200pregnantwomenreceived multivitamins.ThepillscontainedallofthevitaminsintheBgroupalongwith vitaminsCandE.Theyalsocontainedseveraltimesmoreironandfolatethan thelevelsadvisedforwomenindevelopednations.Pregnantwomenespeciallyin poorcountriesmayfinditdifficulttogetenoughvitaminsandmineralsfrom thefoodsintheirdiet.??Thescientistscomparedthefindings withresultsfromagroupof4000womenwhodidnotreceivethevitamins.A reportbythescientistsfromtheUnitedStatesandTanzaniaappearedinthe NewEnglandJournalofMedicine.WafaieFawzioftheHarvardUniversitySchool ofPublicHealth4ledthestudy.NoneofthewomeninthestudyhadHIVthe virusthatcausesAIDS.Thescientistsreportedearlierthatdailymultivitamins werealow-costwaytoreducefetaldeathsinpregnantwomeninfectedwith5HIV. TheearlierworkinTanzaniaalsofoundimprovementinthemothersintheir numberofbloodcellsknownaslymphocytes.Lymphocytesincreasethebody’s immunityagainstinfection.??Thenewstudyinpregnantwomenwho werenotinfectedwiththeAIDSvirusfoundthatmultivitaminsreducedtherisk oflowbirthweight.Justundereightpercentofthebabiesborntowomenwho tookthemultivitaminsweighedlessthan2500grams.Theratewasalmostnine andone-halfpercentinthegroupofwomenwhoreceivedaplaceboaninactive pillinsteadofthevitamins.Butthevitaminsdidnotdomuchtoreducethe ratesofbabiesbeingborntooearlyordyingwhilestillafetus.Stillthe researcherssaymultivitaminsshouldbeconsideredforallpregnantwomenin developingcountries.HowmanybabiesarebornwithlowbirthweightinthedevelopedcountrieseveryyearaccordingtoWHO?
{{*HTML*}}{{B}}第三篇{{/B}} ??????? ??????????? ??????????? {{B}}PushbikePeril{{/B}}??Lowspeedbicyclecrashescanbadlyinjure —orevenkill—childreniftheyfallontotheendsofthehandlebars.Soa teamofengineersisredesigningthehumblehandlebarinabidtomakeit safer.??KristyArbogastabioengineerattheChildren’sHospital ofPhiladelphiainPennsylvaniabegantheprojectwithhercolleaguesaftera studyofseriousabdominalinjuriesinchildreninthepast30yearsshowedthat morethanathirdwerecausedbybicycleaccidents.Thetaskwastoidentify howtheinjuriesoccurredandcomeupwithsomecountermeasuresshe says.??ByinterviewingthechildrenandtheirparentsArbogast andherteamwereabletogreconstructmanyoftheaccidentsandidentifieda commonmechanismresponsibleforseriousinjuries.Theydiscoveredthatmost occurwhenchildrenhitanobstacleataslowspeedcausingthemtotopple over5.Tomaintaintheirbalancetheyturnthehandlebarsthrough90degrees— buttheirmomentumforcesthemintotheendofthehandlebars.Thebikethen fallsoverandtheotherendofthehandlebarshitsthegroundrammingitinto theirabdomen6.??Thesolutionthegroupcameupwithisa handgripfittedwithaspringanddampingsystem.Thespringabsorbsupto50 percentoftheforcestransmittedthroughthehandlebarsinanimpact.The grouphopestocommercializethedevicewhichshouldaddonlyafewdollarsto thecostofabike.Butourtaskhasbeenoneofeducationbecauseupuntil nowbicyclemanufacturerswereunawareoftheproblemsays Arbogast.??TheteamhasalsoapproachedtheUSConsumerProduct SafetyCommissiontotrytopersuademanufacturerstoadoptthenewdesign.A decisionisexpectedlaterthisyear.Accordingtothepassagesomeengineersaretryingtoimprovethehandlebarsbecause
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ??????????? ???????{{B}}NappingtoaHealthier Heart?{{/B}}??1.Researcherssaytheyhavedevelopedasimpletest thatcantellifapersonwithheartdiseaseislikelytosufferaheartattack. Thetestmeasureslevelsofaproteinintheblood.Theresearcherssaypeople withhighlevelsofthisproteinareathighriskofheartattackheartfailure orstroke.??2.KirstenBibbins-DomingooftheUniversityof CaliforniainSanFranciscoledtheteam.Foraboutfouryearstheystudied almostonethousandpatientswithheartdisease.Theresearcherstestedthe heartdiseasepatientsforaproteincalledNT-proBNP.Patientswiththehighest levelswerenearlyeighttimesmorelikelythanthosewiththelowestlevelsto haveaheartattackheartfailureorstroke.??3.Theresearchers saythepresenceofhighlevelsoftheproteininthebloodshowsthattheheart muscleisunderpressureinsomeway.Thestudyinvolvedmostlymensothe researcherscouldnotsayforsure5thattheresultsarealsotrueforwomen. TheysaythepatientswiththehighestlevelsofNT-proBNPwereolderandhad otherproblemslikediabetesorhighbloodpressure.??4.Other researcherssaymorestudiesareneededtoconfirmifknowingtheproteinlevels ofaheartpatientshouldaffectthatperson’streatment.Theyalsowouldlike toknowifmoreaggressivetreatmentcouldreducethepatient’schanceofa heartattackorstroke.ThestudyappearedintheJournaloftheAmerican MedicalAssociation.??5.Couldalittlesleepduringthemiddle ofthedayreducetheriskofaheartattack?Anunrelatedstudyearlierthis monthintheArchivesofInternalMedicinesuggeststhattheanswermaybeyes. IncountriesliketheUnitedStatesafternoonnapsaremostlyforchildren.But theyarecommonforadultsinMediterraneancountries.Andthesecountries generallyhavelowerratesofheartdisease.SoscientistsintheUnitedStates andGreecewonderedifnapscouldplayapart.Twenty-threethousandhealthy adultstookpartinthestudybyHarvardUniversityandtheUniversityof Athens.Thosewhotookthirty-minutenapsthreetimesaweekhadathirty-seven percentlowerriskofdeathfromheartproblemsthanpeoplewhodidnottake naps.??6.Theresearcherssaynappingmayimprovehearthealthby reducingstress.Theysaytheresearchsuggeststhatnapsareespeciallygood forworkingmen.Buttheysaynotenoughfemalesubjectsdiedduringthestudy tojudgethebenefitsforwomen.Peoplewhotakeregularafternoonnaps______
{{*HTML*}}??阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 ??????? ??????????? ?????????{{B}}MostAdultsin USHaveLowRiskofHeartDisease{{/B}}??Morethan80percentofUS adultshavealessthan10-percentriskofdevelopingheartdiseaseinthenext 10yearsaccordingtoareportintheJournaloftheAmericanCollegeof Cardiology.Just3percenthaveariskthatexceeds20percent.? ?Ihopethatthesenumberswillgivephysiciansresearchershealth policyanalystsandothersabetterideaofhowcoronaryheartdiseaseis distributedintheUSpopulationleadauthorDr.EarlS.Ford.fromthe CentersforDiseaseControlandPreventioninAtlantasaidina statement.??Thefindingsarebasedonanalysisofdatafrom 13769subjectsbetween20and79yearsofagewhoparticipatedintheThird NationalHealthandNutritionExaminationSurveyfrom1988to1994.? ?Overall82percentofadultshadariskoflessthan10percent15 percenthadariskthatfellbetween10to20percentand3percenthadarisk above20percent.??Theproportionofsubjectsinthehighestrisk groupincreasedwithadvancingageandmenweremorelikelythanwomentobein thisgroup.Bycontrastraceorethnicityhadlittleeffectonrisk distributions.??Althoughthereportsuggeststhatmostadults havealow10-yearriskofheartdiseasealargeproportionhaveahighor immediateriskDr.DanielS.BermanfromCedars-SinaiMedicalCenterinLos AngelesandDr.NathanD.WongfromtheUniversityofCaliforniaatIrvine noteinarelatededitorial.??Aggressivetreatmentmeasuresand publichealthstrategiesareneededtoshifttheoverallpopulationrisk downwardtheyadd.Therewasagreaterproportionofmenthanwomeninthesurvey.
{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每题后面有4个选项请仔细阅读短文并根据短文回答其后面的问题{{B}}第一篇{{/B}} ?????????? ??????????? ????????{{B}}MultivitaminsUrged forAllPregnantWomen{{/B}}??ArecentstudyinTanzaniafoundthat whenpregnantwomentookvitaminseverydayfewerbabieswereborntoosmall. Babiesthatweighlessthantwoandone-halfkilogramsatbirthhaveagreater riskofdying.Thosethatsurvivearemorelikelytoexperienceproblemswith theirdevelopment.Andexpertssaythatasadultstheyhaveahigherriskof diseasesincludingheartdiseaseanddiabetes.TheWorldHealthOrganization estimatesthateveryyeartwentymillionbabiesarebornwithlowbirthweight. Nineoutoftenofthemarebornindevelopingcountries.??The newstudytookplaceinDaresSalaam.4200pregnantwomenreceived multivitamins.ThepillscontainedallofthevitaminsintheBgroupalongwith vitaminsCandE.Theyalsocontainedseveraltimesmoreironandfolatethan thelevelsadvisedforwomenindevelopednations.Pregnantwomenespeciallyin poorcountriesmayfinditdifficulttogetenoughvitaminsandmineralsfrom thefoodsintheirdiet.??Thescientistscomparedthefindings withresultsfromagroupof4000womenwhodidnotreceivethevitamins.A reportbythescientistsfromtheUnitedStatesandTanzaniaappearedinthe NewEnglandJournalofMedicine.WafaieFawzioftheHarvardUniversitySchool ofPublicHealth4ledthestudy.NoneofthewomeninthestudyhadHIVthe virusthatcausesAIDS.Thescientistsreportedearlierthatdailymultivitamins werealow-costwaytoreducefetaldeathsinpregnantwomeninfectedwith5HIV. TheearlierworkinTanzaniaalsofoundimprovementinthemothersintheir numberofbloodcellsknownaslymphocytes.Lymphocytesincreasethebody’s immunityagainstinfection.??Thenewstudyinpregnantwomenwho werenotinfectedwiththeAIDSvirusfoundthatmultivitaminsreducedtherisk oflowbirthweight.Justundereightpercentofthebabiesborntowomenwho tookthemultivitaminsweighedlessthan2500grams.Theratewasalmostnine andone-halfpercentinthegroupofwomenwhoreceivedaplaceboaninactive pillinsteadofthevitamins.Butthevitaminsdidnotdomuchtoreducethe ratesofbabiesbeingborntooearlyordyingwhilestillafetus.Stillthe researcherssaymultivitaminsshouldbeconsideredforallpregnantwomenin developingcountries.HowmanypercentofbabieswerebornwithlowbirthweighttowomenwhowerenotinfectedwiththeAIDSvirusandtookthemultivitaminsaccordingtoanewstudy?
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{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每题后面有4个选项请仔细阅读短文并根据短文回答其后面的问题{{B}}第一篇{{/B}} ?????????? ??????????? ????????{{B}}MultivitaminsUrged forAllPregnantWomen{{/B}}??ArecentstudyinTanzaniafoundthat whenpregnantwomentookvitaminseverydayfewerbabieswereborntoosmall. Babiesthatweighlessthantwoandone-halfkilogramsatbirthhaveagreater riskofdying.Thosethatsurvivearemorelikelytoexperienceproblemswith theirdevelopment.Andexpertssaythatasadultstheyhaveahigherriskof diseasesincludingheartdiseaseanddiabetes.TheWorldHealthOrganization estimatesthateveryyeartwentymillionbabiesarebornwithlowbirthweight. Nineoutoftenofthemarebornindevelopingcountries.??The newstudytookplaceinDaresSalaam.4200pregnantwomenreceived multivitamins.ThepillscontainedallofthevitaminsintheBgroupalongwith vitaminsCandE.Theyalsocontainedseveraltimesmoreironandfolatethan thelevelsadvisedforwomenindevelopednations.Pregnantwomenespeciallyin poorcountriesmayfinditdifficulttogetenoughvitaminsandmineralsfrom thefoodsintheirdiet.??Thescientistscomparedthefindings withresultsfromagroupof4000womenwhodidnotreceivethevitamins.A reportbythescientistsfromtheUnitedStatesandTanzaniaappearedinthe NewEnglandJournalofMedicine.WafaieFawzioftheHarvardUniversitySchool ofPublicHealth4ledthestudy.NoneofthewomeninthestudyhadHIVthe virusthatcausesAIDS.Thescientistsreportedearlierthatdailymultivitamins werealow-costwaytoreducefetaldeathsinpregnantwomeninfectedwith5HIV. TheearlierworkinTanzaniaalsofoundimprovementinthemothersintheir numberofbloodcellsknownaslymphocytes.Lymphocytesincreasethebody’s immunityagainstinfection.??Thenewstudyinpregnantwomenwho werenotinfectedwiththeAIDSvirusfoundthatmultivitaminsreducedtherisk oflowbirthweight.Justundereightpercentofthebabiesborntowomenwho tookthemultivitaminsweighedlessthan2500grams.Theratewasalmostnine andone-halfpercentinthegroupofwomenwhoreceivedaplaceboaninactive pillinsteadofthevitamins.Butthevitaminsdidnotdomuchtoreducethe ratesofbabiesbeingborntooearlyordyingwhilestillafetus.Stillthe researcherssaymultivitaminsshouldbeconsideredforallpregnantwomenin developingcountries.WhichofthefollowingisNOToneoftheeffectsofmultivitaminsmentionedinthepassage?
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