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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}}ExerciseCutsCancerDeathsinMen{{/B}}??Menwhoexerciseoften arelesslikelytodiefromcancerthanthosewho{{U}}?51?{{/U}}new researchpublishedintheBritishJournalofCancerrevealed yesterday.??AteamofscientistsfromtheKarolinskaInstitutein Swedenlooked{{U}}?52?{{/U}}theeffectofphysicalactivityandcancer riskin40708men{{U}}?53?{{/U}}between45and79.? ?Theseven-yearstudyfoundthatmen{{U}}?54?{{/U}}walkedor cycledforatleast30minutesadayhada34percentlowerriskof{{U}} ?55?{{/U}}fromcancerthanthemenwhodidlessexerciseornothing atall.{{U}}?56?{{/U}}theperiodstudied3714mendevelopedcancer and1153diedfromthedisease.Theresearcherssuggestthathalfanhour’s walking{{U}}?57?{{/U}}cyclingadayincreasedsurvivalamongthesemen by33percent.??Theresearcherssurveyedmenfromtwocounties incentralSwedenabouttheirlifestyleandtheamountof{{U}}?58 ?{{/U}}activitytheywereusuallydoing.Theythenscoredtheseresponsesand comparedtheresults{{U}}?59?{{/U}}dataoncancerdiagnosisanddeath officiallyrecordedinacentralcancerregistryoveraseven-year period.??LeadauthorProfessorAlicjaWolksaid:Theseresults clearlyshowforthefirsttimetheeffectthatverysimpleandbasicdaily{{U}} ?60?{{/U}}suchaswalkingorcyclinghasinreducingcancerdeath riskinmiddle-agedandelderly{{U}}?61?{{/U}}.??Dr LesleyWalkerdirectorofcancerinformationatCancerResearchUKsaid:This studygivesusaclearindicationthatmenwhoexerciseareless{{U}}?62 ?{{/U}}todiefromcancerandthattheyaremorelikelyto{{U}}?63 ?{{/U}}thediseaseiftheygetit.It’snotentirelyclearfromthisstudy whatroleexerciseplaysinpreventing{{U}}?64?{{/U}}inmenbutwedo knowthatahealthylifestylecanpreventuptohalfofallcancers—and{{U}} ?65?{{/U}}exerciseformsakeypartof this.
{{*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}}ExerciseCutsCancerDeathsinMen{{/B}}??Menwhoexerciseoften arelesslikelytodiefromcancerthanthosewho{{U}}?51?{{/U}}new researchpublishedintheBritishJournalofCancerrevealed yesterday.??AteamofscientistsfromtheKarolinskaInstitutein Swedenlooked{{U}}?52?{{/U}}theeffectofphysicalactivityandcancer riskin40708men{{U}}?53?{{/U}}between45and79.? ?Theseven-yearstudyfoundthatmen{{U}}?54?{{/U}}walkedor cycledforatleast30minutesadayhada34percentlowerriskof{{U}} ?55?{{/U}}fromcancerthanthemenwhodidlessexerciseornothing atall.{{U}}?56?{{/U}}theperiodstudied3714mendevelopedcancer and1153diedfromthedisease.Theresearcherssuggestthathalfanhour’s walking{{U}}?57?{{/U}}cyclingadayincreasedsurvivalamongthesemen by33percent.??Theresearcherssurveyedmenfromtwocounties incentralSwedenabouttheirlifestyleandtheamountof{{U}}?58 ?{{/U}}activitytheywereusuallydoing.Theythenscoredtheseresponsesand comparedtheresults{{U}}?59?{{/U}}dataoncancerdiagnosisanddeath officiallyrecordedinacentralcancerregistryoveraseven-year period.??LeadauthorProfessorAlicjaWolksaid:Theseresults clearlyshowforthefirsttimetheeffectthatverysimpleandbasicdaily{{U}} ?60?{{/U}}suchaswalkingorcyclinghasinreducingcancerdeath riskinmiddle-agedandelderly{{U}}?61?{{/U}}.??Dr LesleyWalkerdirectorofcancerinformationatCancerResearchUKsaid:This studygivesusaclearindicationthatmenwhoexerciseareless{{U}}?62 ?{{/U}}todiefromcancerandthattheyaremorelikelyto{{U}}?63 ?{{/U}}thediseaseiftheygetit.It’snotentirelyclearfromthisstudy whatroleexerciseplaysinpreventing{{U}}?64?{{/U}}inmenbutwedo knowthatahealthylifestylecanpreventuptohalfofallcancers—and{{U}} ?65?{{/U}}exerciseformsakeypartof this.
{{*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.Thepassageimpliesthat
{{*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.WhichisNOTtrueofsparklers?
{{*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.Paragraph6______
{{*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.TheUSgovernmentwilltakemeasurestoreducetheoverallpopulationrisk.
{{*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}}ExerciseCutsCancerDeathsinMen{{/B}}??Menwhoexerciseoften arelesslikelytodiefromcancerthanthosewho{{U}}?51?{{/U}}new researchpublishedintheBritishJournalofCancerrevealed yesterday.??AteamofscientistsfromtheKarolinskaInstitutein Swedenlooked{{U}}?52?{{/U}}theeffectofphysicalactivityandcancer riskin40708men{{U}}?53?{{/U}}between45and79.? ?Theseven-yearstudyfoundthatmen{{U}}?54?{{/U}}walkedor cycledforatleast30minutesadayhada34percentlowerriskof{{U}} ?55?{{/U}}fromcancerthanthemenwhodidlessexerciseornothing atall.{{U}}?56?{{/U}}theperiodstudied3714mendevelopedcancer and1153diedfromthedisease.Theresearcherssuggestthathalfanhour’s walking{{U}}?57?{{/U}}cyclingadayincreasedsurvivalamongthesemen by33percent.??Theresearcherssurveyedmenfromtwocounties incentralSwedenabouttheirlifestyleandtheamountof{{U}}?58 ?{{/U}}activitytheywereusuallydoing.Theythenscoredtheseresponsesand comparedtheresults{{U}}?59?{{/U}}dataoncancerdiagnosisanddeath officiallyrecordedinacentralcancerregistryoveraseven-year period.??LeadauthorProfessorAlicjaWolksaid:Theseresults clearlyshowforthefirsttimetheeffectthatverysimpleandbasicdaily{{U}} ?60?{{/U}}suchaswalkingorcyclinghasinreducingcancerdeath riskinmiddle-agedandelderly{{U}}?61?{{/U}}.??Dr LesleyWalkerdirectorofcancerinformationatCancerResearchUKsaid:This studygivesusaclearindicationthatmenwhoexerciseareless{{U}}?62 ?{{/U}}todiefromcancerandthattheyaremorelikelyto{{U}}?63 ?{{/U}}thediseaseiftheygetit.It’snotentirelyclearfromthisstudy whatroleexerciseplaysinpreventing{{U}}?64?{{/U}}inmenbutwedo knowthatahealthylifestylecanpreventuptohalfofallcancers—and{{U}} ?65?{{/U}}exerciseformsakeypartof this.
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{{*HTML*}}? ?阅读下面的短文文章中有5处空白文章后面有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位置以恢复文章原貌 ?????????? ??????????? ????????? ?{{B}}Bedwetting{{/B}}??Millionsofkidsandteenagersfrom everypartoftheworldwetthebedeverysinglenight.It’ssocommonthat thereareprobablyotherkidsinyourclasswhodoit.Mostkidsdon’ttell theirfriendssoit’seasytofeelkindofalonelikeyoumightbetheonly oneonthewholeplanetwhowetsthebed.{{U}}?46?{{/U}}? ?Thefancynameforbedwettingisnocturnalenuresis.Enuresisrunsin families.Thismeansthatifyouurinateorpeewhileyouareasleepthere’s agoodchancethatacloserelativealsodiditwhenheorshewasakid. {{U}}?47?{{/U}}??Themostimportant’thingtoremember isthatnoonewetsthebedonpurposeItdoesn’tmeanthatyou’relazyora slob.{{U}}?48?{{/U}}Forsomereasonkidswhowetthebedarenot abletofeelthattheirbladderisfullanddon’twakeuptopeeinthetoilet. Sometimesakidwhowetsthebedwillhavearealisticdreamthathe’sinthe bathroompeeing—onlytowakeuplateranddiscoverhe’sallwet.Manykidswho wetthebedareverydeepsleepers.{{U}}?49?{{/U}}? ?Somekidswhowetthebeddoiteverysinglenight.Otherswetsomenights andaredryonothers.Alotofkidssaythattheyseemtobedrierwhenthey sleepatafriend’sorarelative’shouse.{{U}}?50?{{/U}}Sothebrain maybethinkingHeyyou!Don’twetsomeoneelse’sbed!Thiscanhelpyou staydryevenifyou’renotawareofit.A?Thegoodnewsisthatalmost allkidswhowetthebedeventuallystop.B?Tryingtowakeupsomeone whowetsthebedisoftenliketryingtowakealog—theyjuststay asleep.C?It’ssomethingyoucan’thelpdoing.D?Justlikeyou mayhaveinheritedyourmom’sblueeyesoryouruncle’slonglegsyouprobably inheritedbedwettingtoo.E?That’sbecausekidswhoareanxiousabout wettingthebedmaynotsleepmuchoronlyverylightly.F?Butyouare notalone.{{*HTML*}}
{{*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.Thedistributionsoftheriskofheartdiseasearecloselyrelatedtorace.
{{*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}}ExerciseCutsCancerDeathsinMen{{/B}}??Menwhoexerciseoften arelesslikelytodiefromcancerthanthosewho{{U}}?51?{{/U}}new researchpublishedintheBritishJournalofCancerrevealed yesterday.??AteamofscientistsfromtheKarolinskaInstitutein Swedenlooked{{U}}?52?{{/U}}theeffectofphysicalactivityandcancer riskin40708men{{U}}?53?{{/U}}between45and79.? ?Theseven-yearstudyfoundthatmen{{U}}?54?{{/U}}walkedor cycledforatleast30minutesadayhada34percentlowerriskof{{U}} ?55?{{/U}}fromcancerthanthemenwhodidlessexerciseornothing atall.{{U}}?56?{{/U}}theperiodstudied3714mendevelopedcancer and1153diedfromthedisease.Theresearcherssuggestthathalfanhour’s walking{{U}}?57?{{/U}}cyclingadayincreasedsurvivalamongthesemen by33percent.??Theresearcherssurveyedmenfromtwocounties incentralSwedenabouttheirlifestyleandtheamountof{{U}}?58 ?{{/U}}activitytheywereusuallydoing.Theythenscoredtheseresponsesand comparedtheresults{{U}}?59?{{/U}}dataoncancerdiagnosisanddeath officiallyrecordedinacentralcancerregistryoveraseven-year period.??LeadauthorProfessorAlicjaWolksaid:Theseresults clearlyshowforthefirsttimetheeffectthatverysimpleandbasicdaily{{U}} ?60?{{/U}}suchaswalkingorcyclinghasinreducingcancerdeath riskinmiddle-agedandelderly{{U}}?61?{{/U}}.??Dr LesleyWalkerdirectorofcancerinformationatCancerResearchUKsaid:This studygivesusaclearindicationthatmenwhoexerciseareless{{U}}?62 ?{{/U}}todiefromcancerandthattheyaremorelikelyto{{U}}?63 ?{{/U}}thediseaseiftheygetit.It’snotentirelyclearfromthisstudy whatroleexerciseplaysinpreventing{{U}}?64?{{/U}}inmenbutwedo knowthatahealthylifestylecanpreventuptohalfofallcancers—and{{U}} ?65?{{/U}}exerciseformsakeypartof this.
{{*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}}ExerciseCutsCancerDeathsinMen{{/B}}??Menwhoexerciseoften arelesslikelytodiefromcancerthanthosewho{{U}}?51?{{/U}}new researchpublishedintheBritishJournalofCancerrevealed yesterday.??AteamofscientistsfromtheKarolinskaInstitutein Swedenlooked{{U}}?52?{{/U}}theeffectofphysicalactivityandcancer riskin40708men{{U}}?53?{{/U}}between45and79.? ?Theseven-yearstudyfoundthatmen{{U}}?54?{{/U}}walkedor cycledforatleast30minutesadayhada34percentlowerriskof{{U}} ?55?{{/U}}fromcancerthanthemenwhodidlessexerciseornothing atall.{{U}}?56?{{/U}}theperiodstudied3714mendevelopedcancer and1153diedfromthedisease.Theresearcherssuggestthathalfanhour’s walking{{U}}?57?{{/U}}cyclingadayincreasedsurvivalamongthesemen by33percent.??Theresearcherssurveyedmenfromtwocounties incentralSwedenabouttheirlifestyleandtheamountof{{U}}?58 ?{{/U}}activitytheywereusuallydoing.Theythenscoredtheseresponsesand comparedtheresults{{U}}?59?{{/U}}dataoncancerdiagnosisanddeath officiallyrecordedinacentralcancerregistryoveraseven-year period.??LeadauthorProfessorAlicjaWolksaid:Theseresults clearlyshowforthefirsttimetheeffectthatverysimpleandbasicdaily{{U}} ?60?{{/U}}suchaswalkingorcyclinghasinreducingcancerdeath riskinmiddle-agedandelderly{{U}}?61?{{/U}}.??Dr LesleyWalkerdirectorofcancerinformationatCancerResearchUKsaid:This studygivesusaclearindicationthatmenwhoexerciseareless{{U}}?62 ?{{/U}}todiefromcancerandthattheyaremorelikelyto{{U}}?63 ?{{/U}}thediseaseiftheygetit.It’snotentirelyclearfromthisstudy whatroleexerciseplaysinpreventing{{U}}?64?{{/U}}inmenbutwedo knowthatahealthylifestylecanpreventuptohalfofallcancers—and{{U}} ?65?{{/U}}exerciseformsakeypartof this.
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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.HowmanyfireworkseyeinjuriesoccurintheUSeachyear?
{{*HTML*}}? ?阅读下面的短文文章中有5处空白文章后面有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位置以恢复文章原貌 ?????????? ??????????? ????????? ?{{B}}Bedwetting{{/B}}??Millionsofkidsandteenagersfrom everypartoftheworldwetthebedeverysinglenight.It’ssocommonthat thereareprobablyotherkidsinyourclasswhodoit.Mostkidsdon’ttell theirfriendssoit’seasytofeelkindofalonelikeyoumightbetheonly oneonthewholeplanetwhowetsthebed.{{U}}?46?{{/U}}? ?Thefancynameforbedwettingisnocturnalenuresis.Enuresisrunsin families.Thismeansthatifyouurinateorpeewhileyouareasleepthere’s agoodchancethatacloserelativealsodiditwhenheorshewasakid. {{U}}?47?{{/U}}??Themostimportant’thingtoremember isthatnoonewetsthebedonpurposeItdoesn’tmeanthatyou’relazyora slob.{{U}}?48?{{/U}}Forsomereasonkidswhowetthebedarenot abletofeelthattheirbladderisfullanddon’twakeuptopeeinthetoilet. Sometimesakidwhowetsthebedwillhavearealisticdreamthathe’sinthe bathroompeeing—onlytowakeuplateranddiscoverhe’sallwet.Manykidswho wetthebedareverydeepsleepers.{{U}}?49?{{/U}}? ?Somekidswhowetthebeddoiteverysinglenight.Otherswetsomenights andaredryonothers.Alotofkidssaythattheyseemtobedrierwhenthey sleepatafriend’sorarelative’shouse.{{U}}?50?{{/U}}Sothebrain maybethinkingHeyyou!Don’twetsomeoneelse’sbed!Thiscanhelpyou staydryevenifyou’renotawareofit.A?Thegoodnewsisthatalmost allkidswhowetthebedeventuallystop.B?Tryingtowakeupsomeone whowetsthebedisoftenliketryingtowakealog—theyjuststay asleep.C?It’ssomethingyoucan’thelpdoing.D?Justlikeyou mayhaveinheritedyourmom’sblueeyesoryouruncle’slonglegsyouprobably inheritedbedwettingtoo.E?That’sbecausekidswhoareanxiousabout wettingthebedmaynotsleepmuchoronlyverylightly.F?Butyouare notalone.
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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.The10-yearriskofheartdiseaseislowformostUSadults.
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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.IfapersonhasahighlevelofNT-proBNP______
{{*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.ApillofmultivitaminsmaycontainallofthefollowingsubstancesEXCEPT
{{*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.Paragraph3______
{{*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.Whataroledolymphocytesplayinthehumanbody?
{{*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.WhathappenedtoPetelastFourthofJuly?
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{{*HTML*}}? ?阅读下面的短文文章中有5处空白文章后面有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位置以恢复文章原貌 ?????????? ??????????? ????????? ?{{B}}Bedwetting{{/B}}??Millionsofkidsandteenagersfrom everypartoftheworldwetthebedeverysinglenight.It’ssocommonthat thereareprobablyotherkidsinyourclasswhodoit.Mostkidsdon’ttell theirfriendssoit’seasytofeelkindofalonelikeyoumightbetheonly oneonthewholeplanetwhowetsthebed.{{U}}?46?{{/U}}? ?Thefancynameforbedwettingisnocturnalenuresis.Enuresisrunsin families.Thismeansthatifyouurinateorpeewhileyouareasleepthere’s agoodchancethatacloserelativealsodiditwhenheorshewasakid. {{U}}?47?{{/U}}??Themostimportant’thingtoremember isthatnoonewetsthebedonpurposeItdoesn’tmeanthatyou’relazyora slob.{{U}}?48?{{/U}}Forsomereasonkidswhowetthebedarenot abletofeelthattheirbladderisfullanddon’twakeuptopeeinthetoilet. Sometimesakidwhowetsthebedwillhavearealisticdreamthathe’sinthe bathroompeeing—onlytowakeuplateranddiscoverhe’sallwet.Manykidswho wetthebedareverydeepsleepers.{{U}}?49?{{/U}}? ?Somekidswhowetthebeddoiteverysinglenight.Otherswetsomenights andaredryonothers.Alotofkidssaythattheyseemtobedrierwhenthey sleepatafriend’sorarelative’shouse.{{U}}?50?{{/U}}Sothebrain maybethinkingHeyyou!Don’twetsomeoneelse’sbed!Thiscanhelpyou staydryevenifyou’renotawareofit.A?Thegoodnewsisthatalmost allkidswhowetthebedeventuallystop.B?Tryingtowakeupsomeone whowetsthebedisoftenliketryingtowakealog—theyjuststay asleep.C?It’ssomethingyoucan’thelpdoing.D?Justlikeyou mayhaveinheritedyourmom’sblueeyesoryouruncle’slonglegsyouprobably inheritedbedwettingtoo.E?That’sbecausekidswhoareanxiousabout wettingthebedmaynotsleepmuchoronlyverylightly.F?Butyouare notalone.
{{*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.Morethan100thousandpeopleparticipatedinthesurvey.
{{*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.Sofartherehavenotbeendefinitedatatoconfirm______
{{*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.Inparagraph2theauthormentionsastudyofseriousabdominalinjuries
{{*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}}ExerciseCutsCancerDeathsinMen{{/B}}??Menwhoexerciseoften arelesslikelytodiefromcancerthanthosewho{{U}}?51?{{/U}}new researchpublishedintheBritishJournalofCancerrevealed yesterday.??AteamofscientistsfromtheKarolinskaInstitutein Swedenlooked{{U}}?52?{{/U}}theeffectofphysicalactivityandcancer riskin40708men{{U}}?53?{{/U}}between45and79.? ?Theseven-yearstudyfoundthatmen{{U}}?54?{{/U}}walkedor cycledforatleast30minutesadayhada34percentlowerriskof{{U}} ?55?{{/U}}fromcancerthanthemenwhodidlessexerciseornothing atall.{{U}}?56?{{/U}}theperiodstudied3714mendevelopedcancer and1153diedfromthedisease.Theresearcherssuggestthathalfanhour’s walking{{U}}?57?{{/U}}cyclingadayincreasedsurvivalamongthesemen by33percent.??Theresearcherssurveyedmenfromtwocounties incentralSwedenabouttheirlifestyleandtheamountof{{U}}?58 ?{{/U}}activitytheywereusuallydoing.Theythenscoredtheseresponsesand comparedtheresults{{U}}?59?{{/U}}dataoncancerdiagnosisanddeath officiallyrecordedinacentralcancerregistryoveraseven-year period.??LeadauthorProfessorAlicjaWolksaid:Theseresults clearlyshowforthefirsttimetheeffectthatverysimpleandbasicdaily{{U}} ?60?{{/U}}suchaswalkingorcyclinghasinreducingcancerdeath riskinmiddle-agedandelderly{{U}}?61?{{/U}}.??Dr LesleyWalkerdirectorofcancerinformationatCancerResearchUKsaid:This studygivesusaclearindicationthatmenwhoexerciseareless{{U}}?62 ?{{/U}}todiefromcancerandthattheyaremorelikelyto{{U}}?63 ?{{/U}}thediseaseiftheygetit.It’snotentirelyclearfromthisstudy whatroleexerciseplaysinpreventing{{U}}?64?{{/U}}inmenbutwedo knowthatahealthylifestylecanpreventuptohalfofallcancers—and{{U}} ?65?{{/U}}exerciseformsakeypartof this.
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