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Rock climbing is {{U}}hazardous{{/U}}.
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Rockclimbingis{{U}}hazardous{{/U}}．
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{{*HTML*}}{{B}}第三篇{{/B}} WhereHaveAlltheBeesGone?? ?Scientistswhostudyinsectshavearealmysteryontheirhands.All acrossthecountryhoneybeesareleavingtheirhivesandneverreturning. Researcherscallthisphenomenoncolony-collapse瓦解disorder.Accordingto surveysofbeekeepers养蜂人acrossthecountry25to40percentofthe honeybeesintheUnitedStateshavevanishedfromtheirhives麻疹sincelast fall.?Sofarnoonecanexplainwhy.??Colonycollapseisa seriousconcernbecausebeesplayanimportantroleintheproductionofabout one-thirdofthefoodsweeat.Astheyfeedhoneybeesspreadpollenfromflower toflower.Withoutthisprocessaplantcan’tproduceseedsor fruits.??Nowagroupofscientistsandbeekeepershaveteamedup totrytofigureoutwhat’scausingthealarmingcollapseofsomanycolonies. Bysharingtheirexpertise专家的意见inhoneybeebehaviorhealthandnutrition teammembershopetofindoutwhat’scontributingtothedeclineandtoprevent beedisappearancesinthefuture.??Itcouldbethatdiseaseis causingthedisappearanceofthebees.ToexplorethatpossibilityJayEvansa researcherattheUnitedStatesDepartmentofAgricultureUSDABeeResearch Laboratoryexaminesbeestakenfromcoloniesthatarecollapsing.Weknowwhat shealthybeeshouldlooklikeontheinsideandwecanlookforphysicalsigns ofdiseasehesays.Andbeesfromcollapsingcoloniesdon’tlookveryhealthy. TheirstomachsareworndowncomparedtothestomachsofhealthybeesEvans says.Itmaybethataparasiteisdamagingthebees’digestiveorgans.Their immunesystemsmaynotbeworkingastheyshould.Moreovertheyhavehigh levelsofbacteriainsidetheirbodies.??Anothercauseof colony-collapsedisordermaybecertainchemicalsthatfarmersapplytokill unwantedinsectsoncropssaysJerryHayeschiefbeeinspectorfortheFlorida DepartmentofAgriculture.Somestudieshesayssuggestthatacertaintypeof insecticideaffectsthehoneybee’snervoussystemwhichincludesthebrainand memory.Itseemslikehoneybeesaregoingoutandgettingconfusedaboutwhere togoandwhattodohesays.??Ifitturnsoutthatadisease iscontributingtocolonycollapsebees’genescouldexplainwhysomecolonies havecollapsedandothershavenot.Inanygroupofbeestherearemany differentkindsofgenes.Themoredifferentgenesagrouphasthehigherthe group’sgeneticdiversity.Sofarscientistshaven’tdeterminedtheroleof geneticdiversity差异incolonycollapsebutit’sapromisingtheorysays Evans.Whyareresearchersseriouslyconcernedwiththephenomenonofcolony-collapsedisorder?
{{*HTML*}}下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 PaperorPlastic???Take awalkalongtheChesapeakeBayandyouarelikelytoseeplasticbagsfloating inthewater.Eversincethesenowubiquitous到处存在的symbolsofAmerican super-consumptionshowedupinthesupermarketsplasticshoppingbagshavemade their{{U}}?51?{{/U}}intolocalwaterwaysandfromthereintothe baywheretheycan{{U}}?52?{{/U}}wildlife.Pilesofthem-the {{U}}?53?{{/U}}takescenturiestodecompose分解--showupin landfillsandoncitystreets.Plasticbagsalsotakeanenvironmentaltollin theformofmillionsofbarrelsofoilexpendedeveryyeartoproduce them.??EnterAnnapolis{{U}}?54?{{/U}}youwillsee plasticbagsdistributedfreeindepartmentstoresandsupermarkets.Alderman SamShropshirehasintroducedawell-meaningproposaltobanretailers 零售商??{{U}}?55?{{/U}}distributingplasticshopping bagsinMaryland’scapital.Insteadretailerswouldberequiredtoofferbags {{U}}?56?{{/U}}recycledpaperandtosellreusablebags.Thecityof Baltimoreisconsideringasimilarmeasure.Opponentsoftheideahowever arguethat{{U}}?57?{{/U}}bagsareharmfultoo:theycostmoreto maketheyconsumemore{{U}}?58?{{/U}}totransportandrecycling themcausesmorepollutionthanrecyclingplastic.Theargumentfordepriving Annapolisresidents居民oftheirplasticbagsis{{U}}?59?{{/U}} accepted.Everyoneinthis{{U}}?60?{{/U}}isrightaboutonething: disposableshoppingbagsofanytypeare{{U}}?61?{{/U}}andthebest outcomewouldbeforcustomerstoreusebagsinstead.Annapolis’smayoris investigatinghowtohandoutfreereusable可以再度使用的shoppingbagstocity residentsaproposalthatcanproceedregardlessofwhetherotherbagsare banned.Aless-expensive{{U}}?62?{{/U}}wouldbetoencourage retailerstogivediscountstocustomers{{U}}?63?{{/U}}bringtheir ownreusablebagsapolicythataspokesmanforthesupermarketGiantFood saysitschainalreadyhasinplace.Andthispolicywouldbemore?{{U}} ?64?{{/U}}ifstoresimitatedfurnituremega-retailerIkeaand chargedfordisposablebagsatthecheckoutcounter.Abroadbanontheuseof plasticshoppingbagswhichwouldmerelyreplacesomeformsofpollutionwith othersisnotthe{{U}}?65?{{/U}}.
{{*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信息请选择A如果该句提的是错误信息请选择B如果该句的信息文中没有提及请选择C Magaplane巨型飞机??The BoeingCorp.andEurope’sAirbusconsortium财团arepreparingtoofferbigger airplanestotheworld’sairlines.Nowthattalksonajointprojecthavebroken downBoeingispushingastretched拓展的versionof747andAirbusis designinganall-newaircraftknownastheA3XX.??Seating550 passengersinthebasicmodeland650inastretchedversionthe1.2million poundA3XXwillnotonlybethelargestairplaneintheworldbutitwillalso beoneofthemostadvanceD.Theouterwingsandthehorizontalstabilizeras bigasasmallerjet’swingwillbemadeofcarbon-fibercompositematerials andwillbethelargest?suchstructuresonanyaircraftexcepttheB-2stealth bomber隐形轰炸机.Metalskinswillbewelded焊接togetherwithlasersremoving thousandsoffasteners.??WhenastrongwindstrikestheA3XX’s 260-footwingmovablecontrolsurfaceswillpreventitfromflexing扭曲likea giantspring.Thiswillmaketheridesmootherandwillsaveweightbyreducing theloadonthewingspars翼梁.Aflexible-skinnedflap副翼willsubtlychange thewing’scurvature曲面tomatchtheairplane’schangingweightasitburns fueloneachjourney.??TheA3XXwillcarryupto1600meals fillingmorethan100foodandbeverage饮料carts.Tomakemoreroomfor passengersAirbusplanstoputthecartsinthelowerhold;automaticconveyors andelevatorswilldeliverthemtothetwopassengerdecks.Airlineshaveasked Airbustolookatextrafeaturesrangingfromlower-decksleepercabinstoa children’splayroom.??AirbusexpectstooffertheA3XXto airlinesin1998anddeliverthefirstaircraftin 2003.ThebasicmodelofA3XXcancarrymorethan500passengers.
{{*HTML*}}{{B}}第二篇{{/B}} BlackHolesTriggerStars’ Self-destruction??Scientistshavelongunderstood thatsupermassive大块的blackholesweighing.Millionsorbillionsofsunscan tearapartstarsthatcometooclose.Theblackhole’sgravity地心引力pulls harderontheneatestpartofthestaranimbalancethatpullsthestarapart overaperiodofminutesorhoursonceitgetscloseenough.? ?Scientistssaythisunevenpullingisnottheonlyhazard冒险facingthe star.Thestrainoftheseunbalancedforcescanalsotrigger触发anuclear explosionpowerfulenoughtodestroythestarfromwithin.MatthieuBrassartand Jean-PierreLuminetoftheObservatoireoftheParisinMeudonFrancecarried outcomputersimulationsofthefinalmomentsofsuchanunfortunatestar’s lifeasitveeredtowardsasupermassiveblackhole.??Whenthe stargetsCloseenoughtheunevenforcesflattenitintoapancakeshape.Some previousstudieshadsuggestedthisflatteningwouldincreasethedensityand temperatureinsidethestarenoughtotriggerintensenuclearreactionsthat wouldtearitapart扯开.Butotherstudieshadsuggestedthatthepicturewould hecomplicatedbyshockwavesgeneratedduringtheflatteningprocessandthat notnuclearexplosionshouldoccur.??Thenewsimulations investigatedtheeffectsofshockwavesindetailandfundthatevenwhentheir effectsareincluded;theconditionsfavoranuclearexplosion.Therewillbe anexplosionofthestar.ItwillbecompletelydestroyedBrassartsays. Althoughtheexplosionobliteratesthestaritsavessomeofthestart’smatter frombeingdevouredbytheblackhole.Theexplosionispowerfulenoughtohurt muchofthestar’smatteroutoftheblackhole’sreachhesays.? ?Thedevouringofstarsbyblackholesmayalreadyhavebeenobserved althoughatamuchlaterstage.Itisthoughtthatseveralmonthsafterthe eventthatripsthestarapartitsmatterstartsswirlingintotheholeitself. ItheatsupasitdoessoreleasingultravioletlightandX-rays.? ?Ifstarsdisrupted使分裂nearblackholesreallydoexplodethenthey couldinprincipleallowtheseeventstobedetectedatamuchearlierstage saysJulesHalpernofColumbiaUniversityinNewYorkUS.Itmaymakeit possibletoseethedisruptionofthatstarimmediatelyifitgetshotenough. ??Brassartaggress.PerhapsitcanbeobservedintheX-rays andgammaraysbutit’ssomethingthatneedstobemorestudiedhesays. SupernovaresearcherChrisFryeroftheLosAlamosNationalLaboratoryinLos AlmosNewMexicoUSsaysthedeathsofthesestarsaredifficulttosimulate andheisnotsurewhethertheresearchershaveproventheircasetheyexploded intheprocess.Somethingdestructivecouldhappentoastarthatgetstooclosetoablackhole.WhichofthefollowingstatementsisNOTmentionedinthepassage?
{{*HTML*}}{{B}}第二篇{{/B}} BlackHolesTriggerStars’ Self-destruction??Scientistshavelongunderstood thatsupermassive大块的blackholesweighing.Millionsorbillionsofsunscan tearapartstarsthatcometooclose.Theblackhole’sgravity地心引力pulls harderontheneatestpartofthestaranimbalancethatpullsthestarapart overaperiodofminutesorhoursonceitgetscloseenough.? ?Scientistssaythisunevenpullingisnottheonlyhazard冒险facingthe star.Thestrainoftheseunbalancedforcescanalsotrigger触发anuclear explosionpowerfulenoughtodestroythestarfromwithin.MatthieuBrassartand Jean-PierreLuminetoftheObservatoireoftheParisinMeudonFrancecarried outcomputersimulationsofthefinalmomentsofsuchanunfortunatestar’s lifeasitveeredtowardsasupermassiveblackhole.??Whenthe stargetsCloseenoughtheunevenforcesflattenitintoapancakeshape.Some previousstudieshadsuggestedthisflatteningwouldincreasethedensityand temperatureinsidethestarenoughtotriggerintensenuclearreactionsthat wouldtearitapart扯开.Butotherstudieshadsuggestedthatthepicturewould hecomplicatedbyshockwavesgeneratedduringtheflatteningprocessandthat notnuclearexplosionshouldoccur.??Thenewsimulations investigatedtheeffectsofshockwavesindetailandfundthatevenwhentheir effectsareincluded;theconditionsfavoranuclearexplosion.Therewillbe anexplosionofthestar.ItwillbecompletelydestroyedBrassartsays. Althoughtheexplosionobliteratesthestaritsavessomeofthestart’smatter frombeingdevouredbytheblackhole.Theexplosionispowerfulenoughtohurt muchofthestar’smatteroutoftheblackhole’sreachhesays.? ?Thedevouringofstarsbyblackholesmayalreadyhavebeenobserved althoughatamuchlaterstage.Itisthoughtthatseveralmonthsafterthe eventthatripsthestarapartitsmatterstartsswirlingintotheholeitself. ItheatsupasitdoessoreleasingultravioletlightandX-rays.? ?Ifstarsdisrupted使分裂nearblackholesreallydoexplodethenthey couldinprincipleallowtheseeventstobedetectedatamuchearlierstage saysJulesHalpernofColumbiaUniversityinNewYorkUS.Itmaymakeit possibletoseethedisruptionofthatstarimmediatelyifitgetshotenough. ??Brassartaggress.PerhapsitcanbeobservedintheX-rays andgammaraysbutit’ssomethingthatneedstobemorestudiedhesays. SupernovaresearcherChrisFryeroftheLosAlamosNationalLaboratoryinLos AlmosNewMexicoUSsaysthedeathsofthesestarsaredifficulttosimulate andheisnotsurewhethertheresearchershaveproventheircasetheyexploded intheprocess.Accordingtothecontexttheworddisruptioninparagraph6means
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{{*HTML*}}下面有3篇短文每篇短文后有5道题请根据短文内容为每题确定1个最佳选项{{B}}第一篇{{/B}} TheBestWaytoReduceYour Weight??Youhearthis:NoWonderyouarefat.All youeverdoiseat.Youfeelsad:Iskipmybreakfastandsupper.Irunevery morningandevening.WhatelsecanIdo?Basicallyyoucandonothing.Your genesnotyourlifehabitsdetermineyourweightandyourbodyconstantly triestomaintainit.??AlbertStunkardoftheUniversityof Pennsylvaniafoundfromexperimentsthat80percentoftheChildrenoftwo obeseparentsbecomeobeseascomparedwithnomorethan14percentofthe offspringoftwoparentsofnormalweight.??Howcanobese peoplebecomenormaloreventhinthroughdieting?Welldietingcanbe effectivebutthehealthcostsaretremendous.JulesHirscharesearch physicianatRockefellerUniversitydidastudyofeightfatpeople.Theywere givenaliquidformulaproviding600calories卡路里aday.Aftermorethan10 weeksthesubjectslost45kgonaverage.Butafterleavingthehospitalthey allregained.Theresultsweresurprising:bymetabolicmeasurementfatpeople wholostlargeamountsofweightseemedliketheywerestarving.Theyhad psychiatricproblems.Theydreamedoffoodorbreakingtheirdiet.Theywere anxiousanddepressed沮丧的;someweresuicidal.Theyhidfoodintheirrooms. Researcherswarnthatitispossiblethatweightreductiondoesn’tresultin normalweightbutinanabnormalstateresembling类似thatofstarved non-obesepeople.??Thinpeoplehoweversufferfromthe opposite:Theyhavetomakeagreatefforttogainweight.EthanSimsofthe UniversityofVermontgotprisonerstovolunteertogainweight.Infourtosix monthstheyateasmuchastheycould.Theysucceededinincreasingtheir weightby20to25percent.Butmonthsafterthestudyendedtheywerebackto normalweightandstayedthere.??Thisdidnotmeanthatpeople arecompletelywithouthopeincontrollingtheirweight.Itmeansthatthosewho tendtobefatwillhavetoconstantlybattletheirgeneticinheritanceifthey wanttosignificantlylowertheirweight.??Thefindingsalso provideevidenceforsomethingscientiststhoughtwastrue--eachpersonhasa comfortableweightrange.Therangemightbeasmuchas9kg.Someonemight weigh60-69kgwithouttoomucheffortButgoingaboveofbelowthenatural weightrangeisdifficult.Thebodyresistsbyfeelinghungryorfulland changingthemetabolismtopushtheweightbacktotherangeit seeks.WhatdidEthanSimsmakehissubjectsdo?
Thedoctorsoonmadetheworriedpatientfeelcomfortable.
ThecurrenteditionofthatmagazinediscussestheancientcivilizationofLatinAmerica.
ThefirsttalksbetweenChinaandtheUnitedStateswerethebaseofthelateragreement.
{{*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信息请选择A如果该句提的是错误信息请选择B如果该句的信息文中没有提及请选择C Magaplane巨型飞机??The BoeingCorp.andEurope’sAirbusconsortium财团arepreparingtoofferbigger airplanestotheworld’sairlines.Nowthattalksonajointprojecthavebroken downBoeingispushingastretched拓展的versionof747andAirbusis designinganall-newaircraftknownastheA3XX.??Seating550 passengersinthebasicmodeland650inastretchedversionthe1.2million poundA3XXwillnotonlybethelargestairplaneintheworldbutitwillalso beoneofthemostadvanceD.Theouterwingsandthehorizontalstabilizeras bigasasmallerjet’swingwillbemadeofcarbon-fibercompositematerials andwillbethelargest?suchstructuresonanyaircraftexcepttheB-2stealth bomber隐形轰炸机.Metalskinswillbewelded焊接togetherwithlasersremoving thousandsoffasteners.??WhenastrongwindstrikestheA3XX’s 260-footwingmovablecontrolsurfaceswillpreventitfromflexing扭曲likea giantspring.Thiswillmaketheridesmootherandwillsaveweightbyreducing theloadonthewingspars翼梁.Aflexible-skinnedflap副翼willsubtlychange thewing’scurvature曲面tomatchtheairplane’schangingweightasitburns fueloneachjourney.??TheA3XXwillcarryupto1600meals fillingmorethan100foodandbeverage饮料carts.Tomakemoreroomfor passengersAirbusplanstoputthecartsinthelowerhold;automaticconveyors andelevatorswilldeliverthemtothetwopassengerdecks.Airlineshaveasked Airbustolookatextrafeaturesrangingfromlower-decksleepercabinstoa children’splayroom.??AirbusexpectstooffertheA3XXto airlinesin1998anddeliverthefirstaircraftin 2003.A3XXwillbebiggerthantheB-2stealthbomber.
{{*HTML*}}下面的短文有5处空白短文后有6个句子其中5个取自短文请根据短文内容将其分别放回原有位置以恢复文章原貌 TheValueofMotherhood? ?Inshoppingmallstheassistantstrytopushyouintobuyingagiftto thankherforherunselfishlove.Whenyoulogontoawebsiteasmallpopo-up invitesyoutobookabouquetforher.Commercialwarmthandgratitudearethe atmospherebeingspreadaroundforthisspecialSundayinMay.? ?{{U}}?46?{{/U}}ThepopularityofMother’sDayaroundtheworld suggeststhatJarvisgotallshewanted.Infactshegotmore-enoughtomake herhorrified.??{{U}}?47?{{/U}}Theybuyamongother things132millioncards.Mother’sDayistheNo1holidayforflower purchases.Thentherearethevariouscommoditiesrangingfromjewelryand clothestocosmeticsandwashingpowderwhichtakeadvantageofthepromotion opportunitiesBecauseofthisJarvisspentthelast40yearsofherlife tryingtostopMother’sDay.Oneprotestagainst反对thecommercializationof Mother’sDayevengotherarrested--fordisturbingthepeace interestingly.??{{U}}?48?{{/U}}AsRalphFevrea reporterattheUKnewspaperTheGuardianobservetraditionallymotherhoodis somethingthatwedobecausewethinkit’sright.Butinthelogicof commercialism商业主义peopleneedsomethinginexchangefortheirtimeand energy.Acareerservesthispurposebetter.??{{U}}?49 ?{{/U}}Sotheyworkhardandplayhard.Becomingamotherhowever inevitablyhandicapscareeranticipation预料.??{{U}}?50 ?{{/U}}AccordingtoTheGuardiantherearetwiceasmanychild-freeyoung womenastherewereagenerationago.Ortheyputofftheresponsibilityof parentinguntillaterintheirlives.??SoFevrewritesthatthe meaningofcelebratingMother’sDayneedstobeupdated:Itistopersuade peoplethatparenting养育isagoodideaandtohonorpeoplefortheirattempt tobegoodpeople.??A.TheAmericanversionofMother’sDaywas thoughtupasearlyas1905byAnnaJarvisasawayofrecognizingthereal valueofmotherhood.??B.Butwhat’smorecommercialismchanges youngpeople’sattitudetowardsmotherhood.??C.Obviouslythe bestgiftwillbeaphonecalloravisit.??D.Accordingtoa researchbytheUScardcompanyHallmark96percentofAmericanconsumers celebratetheholiday.??E.Asaresultmotherhoodhassuffereda hugedropinstatussincethe1950s.??F.Inadditionwomenare beingencouragedtopursueanycareertheydesire.{{*HTML*}}
{{*HTML*}}??A.overusefacemasks??B.dealwiththemask problemseriously??C.rubtheirfacesandnosesinthe subway??D.protestagainstthemaskguidelines??E. helpprotectpeoplefrombeingattackedbyaflu??F.announcethe resultsoftheirmaskresearchTheCDCisafraidthatthepublicmay?______.
{{*HTML*}}下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 PaperorPlastic???Take awalkalongtheChesapeakeBayandyouarelikelytoseeplasticbagsfloating inthewater.Eversincethesenowubiquitous到处存在的symbolsofAmerican super-consumptionshowedupinthesupermarketsplasticshoppingbagshavemade their{{U}}?51?{{/U}}intolocalwaterwaysandfromthereintothe baywheretheycan{{U}}?52?{{/U}}wildlife.Pilesofthem-the {{U}}?53?{{/U}}takescenturiestodecompose分解--showupin landfillsandoncitystreets.Plasticbagsalsotakeanenvironmentaltollin theformofmillionsofbarrelsofoilexpendedeveryyeartoproduce them.??EnterAnnapolis{{U}}?54?{{/U}}youwillsee plasticbagsdistributedfreeindepartmentstoresandsupermarkets.Alderman SamShropshirehasintroducedawell-meaningproposaltobanretailers 零售商??{{U}}?55?{{/U}}distributingplasticshopping bagsinMaryland’scapital.Insteadretailerswouldberequiredtoofferbags {{U}}?56?{{/U}}recycledpaperandtosellreusablebags.Thecityof Baltimoreisconsideringasimilarmeasure.Opponentsoftheideahowever arguethat{{U}}?57?{{/U}}bagsareharmfultoo:theycostmoreto maketheyconsumemore{{U}}?58?{{/U}}totransportandrecycling themcausesmorepollutionthanrecyclingplastic.Theargumentfordepriving Annapolisresidents居民oftheirplasticbagsis{{U}}?59?{{/U}} accepted.Everyoneinthis{{U}}?60?{{/U}}isrightaboutonething: disposableshoppingbagsofanytypeare{{U}}?61?{{/U}}andthebest outcomewouldbeforcustomerstoreusebagsinstead.Annapolis’smayoris investigatinghowtohandoutfreereusable可以再度使用的shoppingbagstocity residentsaproposalthatcanproceedregardlessofwhetherotherbagsare banned.Aless-expensive{{U}}?62?{{/U}}wouldbetoencourage retailerstogivediscountstocustomers{{U}}?63?{{/U}}bringtheir ownreusablebagsapolicythataspokesmanforthesupermarketGiantFood saysitschainalreadyhasinplace.Andthispolicywouldbemore?{{U}} ?64?{{/U}}ifstoresimitatedfurnituremega-retailerIkeaand chargedfordisposablebagsatthecheckoutcounter.Abroadbanontheuseof plasticshoppingbagswhichwouldmerelyreplacesomeformsofpollutionwith othersisnotthe{{U}}?65?{{/U}}.
{{*HTML*}}{{B}}第三篇{{/B}} WhereHaveAlltheBeesGone?? ?Scientistswhostudyinsectshavearealmysteryontheirhands.All acrossthecountryhoneybeesareleavingtheirhivesandneverreturning. Researcherscallthisphenomenoncolony-collapse瓦解disorder.Accordingto surveysofbeekeepers养蜂人acrossthecountry25to40percentofthe honeybeesintheUnitedStateshavevanishedfromtheirhives麻疹sincelast fall.?Sofarnoonecanexplainwhy.??Colonycollapseisa seriousconcernbecausebeesplayanimportantroleintheproductionofabout one-thirdofthefoodsweeat.Astheyfeedhoneybeesspreadpollenfromflower toflower.Withoutthisprocessaplantcan’tproduceseedsor fruits.??Nowagroupofscientistsandbeekeepershaveteamedup totrytofigureoutwhat’scausingthealarmingcollapseofsomanycolonies. Bysharingtheirexpertise专家的意见inhoneybeebehaviorhealthandnutrition teammembershopetofindoutwhat’scontributingtothedeclineandtoprevent beedisappearancesinthefuture.??Itcouldbethatdiseaseis causingthedisappearanceofthebees.ToexplorethatpossibilityJayEvansa researcherattheUnitedStatesDepartmentofAgricultureUSDABeeResearch Laboratoryexaminesbeestakenfromcoloniesthatarecollapsing.Weknowwhat shealthybeeshouldlooklikeontheinsideandwecanlookforphysicalsigns ofdiseasehesays.Andbeesfromcollapsingcoloniesdon’tlookveryhealthy. TheirstomachsareworndowncomparedtothestomachsofhealthybeesEvans says.Itmaybethataparasiteisdamagingthebees’digestiveorgans.Their immunesystemsmaynotbeworkingastheyshould.Moreovertheyhavehigh levelsofbacteriainsidetheirbodies.??Anothercauseof colony-collapsedisordermaybecertainchemicalsthatfarmersapplytokill unwantedinsectsoncropssaysJerryHayeschiefbeeinspectorfortheFlorida DepartmentofAgriculture.Somestudieshesayssuggestthatacertaintypeof insecticideaffectsthehoneybee’snervoussystemwhichincludesthebrainand memory.Itseemslikehoneybeesaregoingoutandgettingconfusedaboutwhere togoandwhattodohesays.??Ifitturnsoutthatadisease iscontributingtocolonycollapsebees’genescouldexplainwhysomecolonies havecollapsedandothershavenot.Inanygroupofbeestherearemany differentkindsofgenes.Themoredifferentgenesagrouphasthehigherthe group’sgeneticdiversity.Sofarscientistshaven’tdeterminedtheroleof geneticdiversity差异incolonycollapsebutit’sapromisingtheorysays Evans.Accordingtothefifthparagraphwhichofthefollowingaboutbees’genesistrue?
{{*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信息请选择A如果该句提的是错误信息请选择B如果该句的信息文中没有提及请选择C Magaplane巨型飞机??The BoeingCorp.andEurope’sAirbusconsortium财团arepreparingtoofferbigger airplanestotheworld’sairlines.Nowthattalksonajointprojecthavebroken downBoeingispushingastretched拓展的versionof747andAirbusis designinganall-newaircraftknownastheA3XX.??Seating550 passengersinthebasicmodeland650inastretchedversionthe1.2million poundA3XXwillnotonlybethelargestairplaneintheworldbutitwillalso beoneofthemostadvanceD.Theouterwingsandthehorizontalstabilizeras bigasasmallerjet’swingwillbemadeofcarbon-fibercompositematerials andwillbethelargest?suchstructuresonanyaircraftexcepttheB-2stealth bomber隐形轰炸机.Metalskinswillbewelded焊接togetherwithlasersremoving thousandsoffasteners.??WhenastrongwindstrikestheA3XX’s 260-footwingmovablecontrolsurfaceswillpreventitfromflexing扭曲likea giantspring.Thiswillmaketheridesmootherandwillsaveweightbyreducing theloadonthewingspars翼梁.Aflexible-skinnedflap副翼willsubtlychange thewing’scurvature曲面tomatchtheairplane’schangingweightasitburns fueloneachjourney.??TheA3XXwillcarryupto1600meals fillingmorethan100foodandbeverage饮料carts.Tomakemoreroomfor passengersAirbusplanstoputthecartsinthelowerhold;automaticconveyors andelevatorswilldeliverthemtothetwopassengerdecks.Airlineshaveasked Airbustolookatextrafeaturesrangingfromlower-decksleepercabinstoa children’splayroom.??AirbusexpectstooffertheA3XXto airlinesin1998anddeliverthefirstaircraftin 2003.ThefirstA3XXwillbeavailablein2003.
{{*HTML*}}? ?下面的短文后有2项测试任务1第23～26题要求从所给的6个选项中为第3～6段每段选择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? ? FaceMasksMaynotProtectfrom Super-flu??Ifasuper-flustrikesfacemasksmay notprotectyou.Whetherwidespreaduseofmaskswillhelporharmduringthe nextworldwidefluoutbreakisaquestionthatresearchersarestudying furiously.Noresultshavecomefromtheirmaskresearchyet.Howeverthe governmentsayspeopleshouldconsiderwearingthemincertainsituations anywayjustincase.??Butit’saquestionthepublickeeps askingwhilethegovernmentaremakingpreparationsforthenextflupandemic. SotheCentersforDiseaseControlandPreventionCDCcameupwithpreliminary guidelines.Wedon’twantpeoplewearingthemeverywheresaidtheCDC.The overallrecommendationreallyistoavoidexposure.??When that’snotpossibletheguidelinessaytoconsiderwearingasimplesurgical maskifyouareinoneofthethreefollowingsituations.Firstyou’rehealthy andcan’tavoidgoingtoacrowdedplace.Secondyou’resickandthinkyoumay haveclosecontractwiththehealthysuchasafamilymembercheckingonyou. Thirdyoulivewithsomeonewho’ssickandthusmightbeintheearlystagesof infectionbutstillneedtogoout.??Influenza流行性感冒pandemics 全国流行的canstrike打击whentheeasy-to-mutatefluvirusshiftstoastrain thatpeopleneverhaveexperienceD.Scientistscannotpredictwhenthenext pandemicwillarrivealthoughconcernisrisingthattheAsianbirdflumight triggeroneifitstartsspreadingeasilyfrompersontoperson.? ?Duringtheflupandemicyoushouldprotectyourself.Avoidcrowdsand avoidclosecontractwiththesickunlessyoumustcareforsomeone.Whycan’t maskaddedtothisself-protectionlist?Becausetheyhelptrapvirus-laden dropletsflyingthroughtheairwithacoughorsneeze打喷嚏.Simplesurgical masksonlyfilterthelargerdroplets小滴.BesidestheCDCisafraid?masks maycreateafalsesenseofsecurity.Perhapssomeonewhoshouldhavestayed homewoulddonanill-fitting不合的maskandhoponthesubway instead.??Nordoesfluonlyspreadthroughtheair.Saysomeone coversasneezewithhisorherhandthentouchesadoorknoborsubwaypole.If youtouchthatspotnextandthenputgermyhandsonyournoseormouthyou’ve beenexposed.It’shardertorubyournosewhilewearingamaskandsoyourface maygetprettysweatyundermasks.Youreachundertowipethatsweatandmay transfergermscaughtontheoutsideofthemaskstraighttothenose.Theseare theproblemsfacemasksmaycreatefortheirusers.??Whether peopleshouldorshouldnotusefacemasksstillremainsaquestion.Thegeneral publichastowaitpatientlyfortheresultsofthemaskresearchscientistsare stilldoing. ??A.ReasonsforExcludingMasksfromtheSelf-protection List??B.EfforttoStopFluSpreading??C.Whento UseFaceMasks??D.GuidelinesonMaskUse??E. WarningsfromtheCDC??F.DangerofInfectionthroughGermyHands andMasksParagraph6______
{{*HTML*}}下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 PaperorPlastic???Take awalkalongtheChesapeakeBayandyouarelikelytoseeplasticbagsfloating inthewater.Eversincethesenowubiquitous到处存在的symbolsofAmerican super-consumptionshowedupinthesupermarketsplasticshoppingbagshavemade their{{U}}?51?{{/U}}intolocalwaterwaysandfromthereintothe baywheretheycan{{U}}?52?{{/U}}wildlife.Pilesofthem-the {{U}}?53?{{/U}}takescenturiestodecompose分解--showupin landfillsandoncitystreets.Plasticbagsalsotakeanenvironmentaltollin theformofmillionsofbarrelsofoilexpendedeveryyeartoproduce them.??EnterAnnapolis{{U}}?54?{{/U}}youwillsee plasticbagsdistributedfreeindepartmentstoresandsupermarkets.Alderman SamShropshirehasintroducedawell-meaningproposaltobanretailers 零售商??{{U}}?55?{{/U}}distributingplasticshopping bagsinMaryland’scapital.Insteadretailerswouldberequiredtoofferbags {{U}}?56?{{/U}}recycledpaperandtosellreusablebags.Thecityof Baltimoreisconsideringasimilarmeasure.Opponentsoftheideahowever arguethat{{U}}?57?{{/U}}bagsareharmfultoo:theycostmoreto maketheyconsumemore{{U}}?58?{{/U}}totransportandrecycling themcausesmorepollutionthanrecyclingplastic.Theargumentfordepriving Annapolisresidents居民oftheirplasticbagsis{{U}}?59?{{/U}} accepted.Everyoneinthis{{U}}?60?{{/U}}isrightaboutonething: disposableshoppingbagsofanytypeare{{U}}?61?{{/U}}andthebest outcomewouldbeforcustomerstoreusebagsinstead.Annapolis’smayoris investigatinghowtohandoutfreereusable可以再度使用的shoppingbagstocity residentsaproposalthatcanproceedregardlessofwhetherotherbagsare banned.Aless-expensive{{U}}?62?{{/U}}wouldbetoencourage retailerstogivediscountstocustomers{{U}}?63?{{/U}}bringtheir ownreusablebagsapolicythataspokesmanforthesupermarketGiantFood saysitschainalreadyhasinplace.Andthispolicywouldbemore?{{U}} ?64?{{/U}}ifstoresimitatedfurnituremega-retailerIkeaand chargedfordisposablebagsatthecheckoutcounter.Abroadbanontheuseof plasticshoppingbagswhichwouldmerelyreplacesomeformsofpollutionwith othersisnotthe{{U}}?65?{{/U}}.
{{*HTML*}}下面的短文有5处空白短文后有6个句子其中5个取自短文请根据短文内容将其分别放回原有位置以恢复文章原貌 TheValueofMotherhood? ?Inshoppingmallstheassistantstrytopushyouintobuyingagiftto thankherforherunselfishlove.Whenyoulogontoawebsiteasmallpopo-up invitesyoutobookabouquetforher.Commercialwarmthandgratitudearethe atmospherebeingspreadaroundforthisspecialSundayinMay.? ?{{U}}?46?{{/U}}ThepopularityofMother’sDayaroundtheworld suggeststhatJarvisgotallshewanted.Infactshegotmore-enoughtomake herhorrified.??{{U}}?47?{{/U}}Theybuyamongother things132millioncards.Mother’sDayistheNo1holidayforflower purchases.Thentherearethevariouscommoditiesrangingfromjewelryand clothestocosmeticsandwashingpowderwhichtakeadvantageofthepromotion opportunitiesBecauseofthisJarvisspentthelast40yearsofherlife tryingtostopMother’sDay.Oneprotestagainst反对thecommercializationof Mother’sDayevengotherarrested--fordisturbingthepeace interestingly.??{{U}}?48?{{/U}}AsRalphFevrea reporterattheUKnewspaperTheGuardianobservetraditionallymotherhoodis somethingthatwedobecausewethinkit’sright.Butinthelogicof commercialism商业主义peopleneedsomethinginexchangefortheirtimeand energy.Acareerservesthispurposebetter.??{{U}}?49 ?{{/U}}Sotheyworkhardandplayhard.Becomingamotherhowever inevitablyhandicapscareeranticipation预料.??{{U}}?50 ?{{/U}}AccordingtoTheGuardiantherearetwiceasmanychild-freeyoung womenastherewereagenerationago.Ortheyputofftheresponsibilityof parentinguntillaterintheirlives.??SoFevrewritesthatthe meaningofcelebratingMother’sDayneedstobeupdated:Itistopersuade peoplethatparenting养育isagoodideaandtohonorpeoplefortheirattempt tobegoodpeople.??A.TheAmericanversionofMother’sDaywas thoughtupasearlyas1905byAnnaJarvisasawayofrecognizingthereal valueofmotherhood.??B.Butwhat’smorecommercialismchanges youngpeople’sattitudetowardsmotherhood.??C.Obviouslythe bestgiftwillbeaphonecalloravisit.??D.Accordingtoa researchbytheUScardcompanyHallmark96percentofAmericanconsumers celebratetheholiday.??E.Asaresultmotherhoodhassuffereda hugedropinstatussincethe1950s.??F.Inadditionwomenare beingencouragedtopursueanycareertheydesire.
Thedevelopmentofthetransistorandintegratedcircuitsrevolutionizedtheelectronicsindustrybyallowingcomponentstobepackagedmoredensely.
{{*HTML*}}{{B}}第二篇{{/B}} BlackHolesTriggerStars’ Self-destruction??Scientistshavelongunderstood thatsupermassive大块的blackholesweighing.Millionsorbillionsofsunscan tearapartstarsthatcometooclose.Theblackhole’sgravity地心引力pulls harderontheneatestpartofthestaranimbalancethatpullsthestarapart overaperiodofminutesorhoursonceitgetscloseenough.? ?Scientistssaythisunevenpullingisnottheonlyhazard冒险facingthe star.Thestrainoftheseunbalancedforcescanalsotrigger触发anuclear explosionpowerfulenoughtodestroythestarfromwithin.MatthieuBrassartand Jean-PierreLuminetoftheObservatoireoftheParisinMeudonFrancecarried outcomputersimulationsofthefinalmomentsofsuchanunfortunatestar’s lifeasitveeredtowardsasupermassiveblackhole.??Whenthe stargetsCloseenoughtheunevenforcesflattenitintoapancakeshape.Some previousstudieshadsuggestedthisflatteningwouldincreasethedensityand temperatureinsidethestarenoughtotriggerintensenuclearreactionsthat wouldtearitapart扯开.Butotherstudieshadsuggestedthatthepicturewould hecomplicatedbyshockwavesgeneratedduringtheflatteningprocessandthat notnuclearexplosionshouldoccur.??Thenewsimulations investigatedtheeffectsofshockwavesindetailandfundthatevenwhentheir effectsareincluded;theconditionsfavoranuclearexplosion.Therewillbe anexplosionofthestar.ItwillbecompletelydestroyedBrassartsays. Althoughtheexplosionobliteratesthestaritsavessomeofthestart’smatter frombeingdevouredbytheblackhole.Theexplosionispowerfulenoughtohurt muchofthestar’smatteroutoftheblackhole’sreachhesays.? ?Thedevouringofstarsbyblackholesmayalreadyhavebeenobserved althoughatamuchlaterstage.Itisthoughtthatseveralmonthsafterthe eventthatripsthestarapartitsmatterstartsswirlingintotheholeitself. ItheatsupasitdoessoreleasingultravioletlightandX-rays.? ?Ifstarsdisrupted使分裂nearblackholesreallydoexplodethenthey couldinprincipleallowtheseeventstobedetectedatamuchearlierstage saysJulesHalpernofColumbiaUniversityinNewYorkUS.Itmaymakeit possibletoseethedisruptionofthatstarimmediatelyifitgetshotenough. ??Brassartaggress.PerhapsitcanbeobservedintheX-rays andgammaraysbutit’ssomethingthatneedstobemorestudiedhesays. SupernovaresearcherChrisFryeroftheLosAlamosNationalLaboratoryinLos AlmosNewMexicoUSsaysthedeathsofthesestarsaredifficulttosimulate andheisnotsurewhethertheresearchershaveproventheircasetheyexploded intheprocess.AccordingtothefourthparagraphwhichofthefollowingisNOTtrue?
{{*HTML*}}下面有3篇短文每篇短文后有5道题请根据短文内容为每题确定1个最佳选项{{B}}第一篇{{/B}} TheBestWaytoReduceYour Weight??Youhearthis:NoWonderyouarefat.All youeverdoiseat.Youfeelsad:Iskipmybreakfastandsupper.Irunevery morningandevening.WhatelsecanIdo?Basicallyyoucandonothing.Your genesnotyourlifehabitsdetermineyourweightandyourbodyconstantly triestomaintainit.??AlbertStunkardoftheUniversityof Pennsylvaniafoundfromexperimentsthat80percentoftheChildrenoftwo obeseparentsbecomeobeseascomparedwithnomorethan14percentofthe offspringoftwoparentsofnormalweight.??Howcanobese peoplebecomenormaloreventhinthroughdieting?Welldietingcanbe effectivebutthehealthcostsaretremendous.JulesHirscharesearch physicianatRockefellerUniversitydidastudyofeightfatpeople.Theywere givenaliquidformulaproviding600calories卡路里aday.Aftermorethan10 weeksthesubjectslost45kgonaverage.Butafterleavingthehospitalthey allregained.Theresultsweresurprising:bymetabolicmeasurementfatpeople wholostlargeamountsofweightseemedliketheywerestarving.Theyhad psychiatricproblems.Theydreamedoffoodorbreakingtheirdiet.Theywere anxiousanddepressed沮丧的;someweresuicidal.Theyhidfoodintheirrooms. Researcherswarnthatitispossiblethatweightreductiondoesn’tresultin normalweightbutinanabnormalstateresembling类似thatofstarved non-obesepeople.??Thinpeoplehoweversufferfromthe opposite:Theyhavetomakeagreatefforttogainweight.EthanSimsofthe UniversityofVermontgotprisonerstovolunteertogainweight.Infourtosix monthstheyateasmuchastheycould.Theysucceededinincreasingtheir weightby20to25percent.Butmonthsafterthestudyendedtheywerebackto normalweightandstayedthere.??Thisdidnotmeanthatpeople arecompletelywithouthopeincontrollingtheirweight.Itmeansthatthosewho tendtobefatwillhavetoconstantlybattletheirgeneticinheritanceifthey wanttosignificantlylowertheirweight.??Thefindingsalso provideevidenceforsomethingscientiststhoughtwastrue--eachpersonhasa comfortableweightrange.Therangemightbeasmuchas9kg.Someonemight weigh60-69kgwithouttoomucheffortButgoingaboveofbelowthenatural weightrangeisdifficult.Thebodyresistsbyfeelinghungryorfulland changingthemetabolismtopushtheweightbacktotherangeit seeks.WhatdidJulesHirschdoinhisstudy?
{{*HTML*}}??A.overusefacemasks??B.dealwiththemask problemseriously??C.rubtheirfacesandnosesinthe subway??D.protestagainstthemaskguidelines??E. helpprotectpeoplefrombeingattackedbyaflu??F.announcethe resultsoftheirmaskresearchWecaninferfromthepassagethattheUSauthorities______.
{{*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信息请选择A如果该句提的是错误信息请选择B如果该句的信息文中没有提及请选择C Magaplane巨型飞机??The BoeingCorp.andEurope’sAirbusconsortium财团arepreparingtoofferbigger airplanestotheworld’sairlines.Nowthattalksonajointprojecthavebroken downBoeingispushingastretched拓展的versionof747andAirbusis designinganall-newaircraftknownastheA3XX.??Seating550 passengersinthebasicmodeland650inastretchedversionthe1.2million poundA3XXwillnotonlybethelargestairplaneintheworldbutitwillalso beoneofthemostadvanceD.Theouterwingsandthehorizontalstabilizeras bigasasmallerjet’swingwillbemadeofcarbon-fibercompositematerials andwillbethelargest?suchstructuresonanyaircraftexcepttheB-2stealth bomber隐形轰炸机.Metalskinswillbewelded焊接togetherwithlasersremoving thousandsoffasteners.??WhenastrongwindstrikestheA3XX’s 260-footwingmovablecontrolsurfaceswillpreventitfromflexing扭曲likea giantspring.Thiswillmaketheridesmootherandwillsaveweightbyreducing theloadonthewingspars翼梁.Aflexible-skinnedflap副翼willsubtlychange thewing’scurvature曲面tomatchtheairplane’schangingweightasitburns fueloneachjourney.??TheA3XXwillcarryupto1600meals fillingmorethan100foodandbeverage饮料carts.Tomakemoreroomfor passengersAirbusplanstoputthecartsinthelowerhold;automaticconveyors andelevatorswilldeliverthemtothetwopassengerdecks.Airlineshaveasked Airbustolookatextrafeaturesrangingfromlower-decksleepercabinstoa children’splayroom.??AirbusexpectstooffertheA3XXto airlinesin1998anddeliverthefirstaircraftin 2003.ThewingofA3XXwillnotbespoiledwhenitisstrickenbyastrongwindbecauseitssurfacearedesignedtobemovable.
{{*HTML*}}下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 PaperorPlastic???Take awalkalongtheChesapeakeBayandyouarelikelytoseeplasticbagsfloating inthewater.Eversincethesenowubiquitous到处存在的symbolsofAmerican super-consumptionshowedupinthesupermarketsplasticshoppingbagshavemade their{{U}}?51?{{/U}}intolocalwaterwaysandfromthereintothe baywheretheycan{{U}}?52?{{/U}}wildlife.Pilesofthem-the {{U}}?53?{{/U}}takescenturiestodecompose分解--showupin landfillsandoncitystreets.Plasticbagsalsotakeanenvironmentaltollin theformofmillionsofbarrelsofoilexpendedeveryyeartoproduce them.??EnterAnnapolis{{U}}?54?{{/U}}youwillsee plasticbagsdistributedfreeindepartmentstoresandsupermarkets.Alderman SamShropshirehasintroducedawell-meaningproposaltobanretailers 零售商??{{U}}?55?{{/U}}distributingplasticshopping bagsinMaryland’scapital.Insteadretailerswouldberequiredtoofferbags {{U}}?56?{{/U}}recycledpaperandtosellreusablebags.Thecityof Baltimoreisconsideringasimilarmeasure.Opponentsoftheideahowever arguethat{{U}}?57?{{/U}}bagsareharmfultoo:theycostmoreto maketheyconsumemore{{U}}?58?{{/U}}totransportandrecycling themcausesmorepollutionthanrecyclingplastic.Theargumentfordepriving Annapolisresidents居民oftheirplasticbagsis{{U}}?59?{{/U}} accepted.Everyoneinthis{{U}}?60?{{/U}}isrightaboutonething: disposableshoppingbagsofanytypeare{{U}}?61?{{/U}}andthebest outcomewouldbeforcustomerstoreusebagsinstead.Annapolis’smayoris investigatinghowtohandoutfreereusable可以再度使用的shoppingbagstocity residentsaproposalthatcanproceedregardlessofwhetherotherbagsare banned.Aless-expensive{{U}}?62?{{/U}}wouldbetoencourage retailerstogivediscountstocustomers{{U}}?63?{{/U}}bringtheir ownreusablebagsapolicythataspokesmanforthesupermarketGiantFood saysitschainalreadyhasinplace.Andthispolicywouldbemore?{{U}} ?64?{{/U}}ifstoresimitatedfurnituremega-retailerIkeaand chargedfordisposablebagsatthecheckoutcounter.Abroadbanontheuseof plasticshoppingbagswhichwouldmerelyreplacesomeformsofpollutionwith othersisnotthe{{U}}?65?{{/U}}.
{{*HTML*}}下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 PaperorPlastic???Take awalkalongtheChesapeakeBayandyouarelikelytoseeplasticbagsfloating inthewater.Eversincethesenowubiquitous到处存在的symbolsofAmerican super-consumptionshowedupinthesupermarketsplasticshoppingbagshavemade their{{U}}?51?{{/U}}intolocalwaterwaysandfromthereintothe baywheretheycan{{U}}?52?{{/U}}wildlife.Pilesofthem-the {{U}}?53?{{/U}}takescenturiestodecompose分解--showupin landfillsandoncitystreets.Plasticbagsalsotakeanenvironmentaltollin theformofmillionsofbarrelsofoilexpendedeveryyeartoproduce them.??EnterAnnapolis{{U}}?54?{{/U}}youwillsee plasticbagsdistributedfreeindepartmentstoresandsupermarkets.Alderman SamShropshirehasintroducedawell-meaningproposaltobanretailers 零售商??{{U}}?55?{{/U}}distributingplasticshopping bagsinMaryland’scapital.Insteadretailerswouldberequiredtoofferbags {{U}}?56?{{/U}}recycledpaperandtosellreusablebags.Thecityof Baltimoreisconsideringasimilarmeasure.Opponentsoftheideahowever arguethat{{U}}?57?{{/U}}bagsareharmfultoo:theycostmoreto maketheyconsumemore{{U}}?58?{{/U}}totransportandrecycling themcausesmorepollutionthanrecyclingplastic.Theargumentfordepriving Annapolisresidents居民oftheirplasticbagsis{{U}}?59?{{/U}} accepted.Everyoneinthis{{U}}?60?{{/U}}isrightaboutonething: disposableshoppingbagsofanytypeare{{U}}?61?{{/U}}andthebest outcomewouldbeforcustomerstoreusebagsinstead.Annapolis’smayoris investigatinghowtohandoutfreereusable可以再度使用的shoppingbagstocity residentsaproposalthatcanproceedregardlessofwhetherotherbagsare banned.Aless-expensive{{U}}?62?{{/U}}wouldbetoencourage retailerstogivediscountstocustomers{{U}}?63?{{/U}}bringtheir ownreusablebagsapolicythataspokesmanforthesupermarketGiantFood saysitschainalreadyhasinplace.Andthispolicywouldbemore?{{U}} ?64?{{/U}}ifstoresimitatedfurnituremega-retailerIkeaand chargedfordisposablebagsatthecheckoutcounter.Abroadbanontheuseof plasticshoppingbagswhichwouldmerelyreplacesomeformsofpollutionwith othersisnotthe{{U}}?65?{{/U}}.
{{*HTML*}}下面的短文有5处空白短文后有6个句子其中5个取自短文请根据短文内容将其分别放回原有位置以恢复文章原貌 TheValueofMotherhood? ?Inshoppingmallstheassistantstrytopushyouintobuyingagiftto thankherforherunselfishlove.Whenyoulogontoawebsiteasmallpopo-up invitesyoutobookabouquetforher.Commercialwarmthandgratitudearethe atmospherebeingspreadaroundforthisspecialSundayinMay.? ?{{U}}?46?{{/U}}ThepopularityofMother’sDayaroundtheworld suggeststhatJarvisgotallshewanted.Infactshegotmore-enoughtomake herhorrified.??{{U}}?47?{{/U}}Theybuyamongother things132millioncards.Mother’sDayistheNo1holidayforflower purchases.Thentherearethevariouscommoditiesrangingfromjewelryand clothestocosmeticsandwashingpowderwhichtakeadvantageofthepromotion opportunitiesBecauseofthisJarvisspentthelast40yearsofherlife tryingtostopMother’sDay.Oneprotestagainst反对thecommercializationof Mother’sDayevengotherarrested--fordisturbingthepeace interestingly.??{{U}}?48?{{/U}}AsRalphFevrea reporterattheUKnewspaperTheGuardianobservetraditionallymotherhoodis somethingthatwedobecausewethinkit’sright.Butinthelogicof commercialism商业主义peopleneedsomethinginexchangefortheirtimeand energy.Acareerservesthispurposebetter.??{{U}}?49 ?{{/U}}Sotheyworkhardandplayhard.Becomingamotherhowever inevitablyhandicapscareeranticipation预料.??{{U}}?50 ?{{/U}}AccordingtoTheGuardiantherearetwiceasmanychild-freeyoung womenastherewereagenerationago.Ortheyputofftheresponsibilityof parentinguntillaterintheirlives.??SoFevrewritesthatthe meaningofcelebratingMother’sDayneedstobeupdated:Itistopersuade peoplethatparenting养育isagoodideaandtohonorpeoplefortheirattempt tobegoodpeople.??A.TheAmericanversionofMother’sDaywas thoughtupasearlyas1905byAnnaJarvisasawayofrecognizingthereal valueofmotherhood.??B.Butwhat’smorecommercialismchanges youngpeople’sattitudetowardsmotherhood.??C.Obviouslythe bestgiftwillbeaphonecalloravisit.??D.Accordingtoa researchbytheUScardcompanyHallmark96percentofAmericanconsumers celebratetheholiday.??E.Asaresultmotherhoodhassuffereda hugedropinstatussincethe1950s.??F.Inadditionwomenare beingencouragedtopursueanycareertheydesire.
{{*HTML*}}? ?下面的短文后有2项测试任务1第23～26题要求从所给的6个选项中为第3～6段每段选择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? ? FaceMasksMaynotProtectfrom Super-flu??Ifasuper-flustrikesfacemasksmay notprotectyou.Whetherwidespreaduseofmaskswillhelporharmduringthe nextworldwidefluoutbreakisaquestionthatresearchersarestudying furiously.Noresultshavecomefromtheirmaskresearchyet.Howeverthe governmentsayspeopleshouldconsiderwearingthemincertainsituations anywayjustincase.??Butit’saquestionthepublickeeps askingwhilethegovernmentaremakingpreparationsforthenextflupandemic. SotheCentersforDiseaseControlandPreventionCDCcameupwithpreliminary guidelines.Wedon’twantpeoplewearingthemeverywheresaidtheCDC.The overallrecommendationreallyistoavoidexposure.??When that’snotpossibletheguidelinessaytoconsiderwearingasimplesurgical maskifyouareinoneofthethreefollowingsituations.Firstyou’rehealthy andcan’tavoidgoingtoacrowdedplace.Secondyou’resickandthinkyoumay haveclosecontractwiththehealthysuchasafamilymembercheckingonyou. Thirdyoulivewithsomeonewho’ssickandthusmightbeintheearlystagesof infectionbutstillneedtogoout.??Influenza流行性感冒pandemics 全国流行的canstrike打击whentheeasy-to-mutatefluvirusshiftstoastrain thatpeopleneverhaveexperienceD.Scientistscannotpredictwhenthenext pandemicwillarrivealthoughconcernisrisingthattheAsianbirdflumight triggeroneifitstartsspreadingeasilyfrompersontoperson.? ?Duringtheflupandemicyoushouldprotectyourself.Avoidcrowdsand avoidclosecontractwiththesickunlessyoumustcareforsomeone.Whycan’t maskaddedtothisself-protectionlist?Becausetheyhelptrapvirus-laden dropletsflyingthroughtheairwithacoughorsneeze打喷嚏.Simplesurgical masksonlyfilterthelargerdroplets小滴.BesidestheCDCisafraid?masks maycreateafalsesenseofsecurity.Perhapssomeonewhoshouldhavestayed homewoulddonanill-fitting不合的maskandhoponthesubway instead.??Nordoesfluonlyspreadthroughtheair.Saysomeone coversasneezewithhisorherhandthentouchesadoorknoborsubwaypole.If youtouchthatspotnextandthenputgermyhandsonyournoseormouthyou’ve beenexposed.It’shardertorubyournosewhilewearingamaskandsoyourface maygetprettysweatyundermasks.Youreachundertowipethatsweatandmay transfergermscaughtontheoutsideofthemaskstraighttothenose.Theseare theproblemsfacemasksmaycreatefortheirusers.??Whether peopleshouldorshouldnotusefacemasksstillremainsaquestion.Thegeneral publichastowaitpatientlyfortheresultsofthemaskresearchscientistsare stilldoing. ??A.ReasonsforExcludingMasksfromtheSelf-protection List??B.EfforttoStopFluSpreading??C.Whento UseFaceMasks??D.GuidelinesonMaskUse??E. WarningsfromtheCDC??F.DangerofInfectionthroughGermyHands andMasksParagraph3______
{{*HTML*}}下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 PaperorPlastic???Take awalkalongtheChesapeakeBayandyouarelikelytoseeplasticbagsfloating inthewater.Eversincethesenowubiquitous到处存在的symbolsofAmerican super-consumptionshowedupinthesupermarketsplasticshoppingbagshavemade their{{U}}?51?{{/U}}intolocalwaterwaysandfromthereintothe baywheretheycan{{U}}?52?{{/U}}wildlife.Pilesofthem-the {{U}}?53?{{/U}}takescenturiestodecompose分解--showupin landfillsandoncitystreets.Plasticbagsalsotakeanenvironmentaltollin theformofmillionsofbarrelsofoilexpendedeveryyeartoproduce them.??EnterAnnapolis{{U}}?54?{{/U}}youwillsee plasticbagsdistributedfreeindepartmentstoresandsupermarkets.Alderman SamShropshirehasintroducedawell-meaningproposaltobanretailers 零售商??{{U}}?55?{{/U}}distributingplasticshopping bagsinMaryland’scapital.Insteadretailerswouldberequiredtoofferbags {{U}}?56?{{/U}}recycledpaperandtosellreusablebags.Thecityof Baltimoreisconsideringasimilarmeasure.Opponentsoftheideahowever arguethat{{U}}?57?{{/U}}bagsareharmfultoo:theycostmoreto maketheyconsumemore{{U}}?58?{{/U}}totransportandrecycling themcausesmorepollutionthanrecyclingplastic.Theargumentfordepriving Annapolisresidents居民oftheirplasticbagsis{{U}}?59?{{/U}} accepted.Everyoneinthis{{U}}?60?{{/U}}isrightaboutonething: disposableshoppingbagsofanytypeare{{U}}?61?{{/U}}andthebest outcomewouldbeforcustomerstoreusebagsinstead.Annapolis’smayoris investigatinghowtohandoutfreereusable可以再度使用的shoppingbagstocity residentsaproposalthatcanproceedregardlessofwhetherotherbagsare banned.Aless-expensive{{U}}?62?{{/U}}wouldbetoencourage retailerstogivediscountstocustomers{{U}}?63?{{/U}}bringtheir ownreusablebagsapolicythataspokesmanforthesupermarketGiantFood saysitschainalreadyhasinplace.Andthispolicywouldbemore?{{U}} ?64?{{/U}}ifstoresimitatedfurnituremega-retailerIkeaand chargedfordisposablebagsatthecheckoutcounter.Abroadbanontheuseof plasticshoppingbagswhichwouldmerelyreplacesomeformsofpollutionwith othersisnotthe{{U}}?65?{{/U}}.
{{*HTML*}}下面的短文有15处空白请根据短文内容为每处空白确定1个最佳选项 PaperorPlastic???Take awalkalongtheChesapeakeBayandyouarelikelytoseeplasticbagsfloating inthewater.Eversincethesenowubiquitous到处存在的symbolsofAmerican super-consumptionshowedupinthesupermarketsplasticshoppingbagshavemade their{{U}}?51?{{/U}}intolocalwaterwaysandfromthereintothe baywheretheycan{{U}}?52?{{/U}}wildlife.Pilesofthem-the {{U}}?53?{{/U}}takescenturiestodecompose分解--showupin landfillsandoncitystreets.Plasticbagsalsotakeanenvironmentaltollin theformofmillionsofbarrelsofoilexpendedeveryyeartoproduce them.??EnterAnnapolis{{U}}?54?{{/U}}youwillsee plasticbagsdistributedfreeindepartmentstoresandsupermarkets.Alderman SamShropshirehasintroducedawell-meaningproposaltobanretailers 零售商??{{U}}?55?{{/U}}distributingplasticshopping bagsinMaryland’scapital.Insteadretailerswouldberequiredtoofferbags {{U}}?56?{{/U}}recycledpaperandtosellreusablebags.Thecityof Baltimoreisconsideringasimilarmeasure.Opponentsoftheideahowever arguethat{{U}}?57?{{/U}}bagsareharmfultoo:theycostmoreto maketheyconsumemore{{U}}?58?{{/U}}totransportandrecycling themcausesmorepollutionthanrecyclingplastic.Theargumentfordepriving Annapolisresidents居民oftheirplasticbagsis{{U}}?59?{{/U}} accepted.Everyoneinthis{{U}}?60?{{/U}}isrightaboutonething: disposableshoppingbagsofanytypeare{{U}}?61?{{/U}}andthebest outcomewouldbeforcustomerstoreusebagsinstead.Annapolis’smayoris investigatinghowtohandoutfreereusable可以再度使用的shoppingbagstocity residentsaproposalthatcanproceedregardlessofwhetherotherbagsare banned.Aless-expensive{{U}}?62?{{/U}}wouldbetoencourage retailerstogivediscountstocustomers{{U}}?63?{{/U}}bringtheir ownreusablebagsapolicythataspokesmanforthesupermarketGiantFood saysitschainalreadyhasinplace.Andthispolicywouldbemore?{{U}} ?64?{{/U}}ifstoresimitatedfurnituremega-retailerIkeaand chargedfordisposablebagsatthecheckoutcounter.Abroadbanontheuseof plasticshoppingbagswhichwouldmerelyreplacesomeformsofpollutionwith othersisnotthe{{U}}?65?{{/U}}.
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