首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
Paragraph 3 ______
查看本题答案
包含此试题的试卷
理工类《填空》真题及答案
点击查看
你可能感兴趣的试题
TheexpressiontipserviceLine3Paragraph3mostprobably
advisory
compensation
interaction
reminder
throughrose-coloredglassesLines2—3Paragraph3means
overoptimistically,
romantically.
purposelessly
shortsightedly.
Thewordintriguinginparagraph3refersto______.
tractable
dauntless
heroic
appealing
热门试题
更多
{{*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?
Justbeforetakingoffthepilotoncemoreaskedaboutweatherconditions.
{{*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
TheCentralDogma ThoughitcomesasnosurprisethatthecompositionofDNAbetweendifferentorganismsisdifferentitisnotimmediatelyobviouswhythemusclecellsbloodcellsandbraincellsofanyoneparticularvertebrate脊椎动物aresodifferentintheirstructureandcompositionwhentheDNAofeveryoneoftheircellsisidentical.Thisisthekeytooneofthemostexcitingareasofmoderncellbiology.Indifferentcelltypesdifferentsetsofthetotalnumberofgenesgenome基因组areexpressed.InotherwordsdifferentregionsoftheDNAareactiveinthemusclecellsbloodcellsandbraincells. TounderstandhowthisdifferenceinDNAactivitycanleadtodifferencesincellstructureandcompositionitisnecessarytoconsiderwhatisoftenknownasthecentraldogma法则ofmolecularbiology:DNAmakesRNAmakeprotein.InmoleculartermsageneisthatportionofDNAthatencodesforasingleprotein.Thedictumonegenemakesoneproteinhasrequiredsomemodification改变withthediscoverythatsomeproteinsarecomposedofseveraldifferentpolypeptide多肽chainsbuttheonegenemakesonepolypeptideruledoeshold. DNAContainstheBlueprintforAllCellProteins. MessengerRNAisaprecisecopytranscriptofthecodedsequenceofnucleicacidbasesinDNAandthismessageistranslatedintoauniqueproteinmoleculeonspecialistorganellesribo-somespresentinthecytoplasm细胞质ofallcells.Proteins蛋白质whicharelargelymadeupofcarbonChydrogenHoxygenOandnitrogenNareconstructedfrom20differentcommonaminoacids.Theversatilityofproteinstheworkhorsemoleculesofthecellstemsfromtheimmensevarietyofmolecularshapesthatcanbecreatedbylinkingaminoacidstogetherindifferentsequences.Thesmallerproteinsconsistofonlyafewdozenaminoacidswhereasthelargeronesmaycontaininexcessof200aminoacidsalllinkedtogetherinalinear线状的chainbypeptidebonds. Astheproteinsarereleasedfromtheribosome核糖体theyfoldintouniqueshapesundertheinfluenceofchemicalforcesthatdependontheparticularsequenceofaminoacids.Sotheproteinprimarysequenceencodedinthegeneandfaithfullytranscribedandtranslatedintoanaminoacidchaindeterminesthethree-dimensionalstructureoftheemergingmolecule.Thehumanbodypossessessome30000differentkindsofproteinsandseveralmillioncopiesofmanyofthese.Eachplaysaspecificrole——forexamplehemoglobincarriesoxygeninthebloodactin肌动蛋白andmyosin肌球蛋白interacttogeneratemusclemovementandacetylcholine乙酸胆碱receptormoleculesmediatechemicaltransmissionbetweennerveandmusclecells. Enzymes—ProteinBiocatalysts Anessentialgroupofproteins—theenzymes酵素—actasbiologicalcatalysts催化剂andregulateallaspectsofcellmetabolism新陈代谢.Theyenablebreakdownofhigh-energyfoodmoleculescarbohydratestoprovideenergyforbiologicalreactionsandtheycontrolthesyntheticpathwaysthatresultinthegenerationoflipidse.g.fatscholesterol胆固醇andothervitalmembrane膜componentscarbohydrates碳水化合物sugarsstarch淀粉andcellulose纤维素thekeycomponentsofplantcellwallsandmanyvitalsmallbiomoleculesessentialforcellfunction. Stempara.3sent.3means______.
AnotherAreaofEnglishLanguage Considernowanotherareaofourlanguage.Englishhasalargenumberofnounswhichappeartobeneutralwithregardtosexbutactuallyarecovertlymasculine.Althoughthedictionarymaydefinepoetasonewhowritespoetryawomanwhowritespoetryappearssoanomalousorthreateningtosomethattheyusethespecialtermpoetesstorefertoher.Thereisnocorrespondingtermtocallattentiontothesexofamanwhowritespoetrybutthenwefindnothingremarkableinthefactthatpoetryiswrittenbymen.Ofcourseifawomanissufficientlymeritoriouswemayforgivehersexandrefertoherasapoetafterallorwishingtokeeptheimportantfactofhersexinourconsciousnesswemaycallherawomanpoet.Howevertobalancethepossiblerewardofhavinghersexoverlookedthereremainsthepossibilityofmoreextremepunishmentwemayjudgeherworksoharshlythatshewillbelabelledaladypoet.Onceagainthemoralisclearpeoplewhowritepoetryareassumedtobemenuntilprovenotherwiseandpeopleidentifiedaswomenwhowritepoetryareassumedtobelesscompetentthansexuallyunidentifiedi.e.presumablymalepeoplewhowritepoetry. Ifthephenomenonwehavebeendiscussingwerelimitedtopoetrywemightnotregarditasverysignificantafteralloursocietytendstoregardpoetsassomewhatoddanyway.Butinfactitiswidespreadinthelanguage.Thereisageneraltendencytolabeltheexceptionwhichinmostcasesturnsouttobewomen.Manywordswithfemininesuffixessuchasfarmeretteauthoressandaviatrixhavesuchacleartrivializingeffectthattherehasbeenatrendawayfromtheiruseandapreferenceforwomanauthorandthelike.ThefemininesofmanyethnictermssuchasNegressandJewessareconsideredparticularlyobjectionable.Otherwordssuchasactressandwaitressseemtohaveescapedthenegativeconnotationsandremaininuse.HoweverwenotethatwaitersoftenworkinmoreexpensiveestablishmentsthandowaitressesthatactressesbelongtoActorsEquityandthatwomenparticipantsintheatricalgroupshavebeguntorefertothemselvesasactors.onrareoccasionsthispresumptionofmalenessintermswhichshouldbesexuallyneutralworkstowomen’’sadvantage.Ifsomeoneiscalledabastardeitherasageneraltermofabuseorasastatementofthelackoflegalmaritaltiesbetweenthatpersonsparentsweassumethatpersonisamale.Whileanillegitimatechildmaybeofeithersexonlymenarebastardincommonusage.Althoughthedictionaryseemstoregardthisasasex-neutraltermarecentdictionaryofslanggivesthetermbastardadefinitionasafemalebastard. Womanpoetistreateddifferentlyfrommanpoet.
{{*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*}}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}}.
Shecouldnotenduretheextremetensionandbrokeintotearssuddenly.
{{*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?
AnotherAreaofEnglishLanguage Considernowanotherareaofourlanguage.Englishhasalargenumberofnounswhichappeartobeneutralwithregardtosexbutactuallyarecovertlymasculine.Althoughthedictionarymaydefinepoetasonewhowritespoetryawomanwhowritespoetryappearssoanomalousorthreateningtosomethattheyusethespecialtermpoetesstorefertoher.Thereisnocorrespondingtermtocallattentiontothesexofamanwhowritespoetrybutthenwefindnothingremarkableinthefactthatpoetryiswrittenbymen.Ofcourseifawomanissufficientlymeritoriouswemayforgivehersexandrefertoherasapoetafterallorwishingtokeeptheimportantfactofhersexinourconsciousnesswemaycallherawomanpoet.Howevertobalancethepossiblerewardofhavinghersexoverlookedthereremainsthepossibilityofmoreextremepunishmentwemayjudgeherworksoharshlythatshewillbelabelledaladypoet.Onceagainthemoralisclearpeoplewhowritepoetryareassumedtobemenuntilprovenotherwiseandpeopleidentifiedaswomenwhowritepoetryareassumedtobelesscompetentthansexuallyunidentifiedi.e.presumablymalepeoplewhowritepoetry. Ifthephenomenonwehavebeendiscussingwerelimitedtopoetrywemightnotregarditasverysignificantafteralloursocietytendstoregardpoetsassomewhatoddanyway.Butinfactitiswidespreadinthelanguage.Thereisageneraltendencytolabeltheexceptionwhichinmostcasesturnsouttobewomen.Manywordswithfemininesuffixessuchasfarmeretteauthoressandaviatrixhavesuchacleartrivializingeffectthattherehasbeenatrendawayfromtheiruseandapreferenceforwomanauthorandthelike.ThefemininesofmanyethnictermssuchasNegressandJewessareconsideredparticularlyobjectionable.Otherwordssuchasactressandwaitressseemtohaveescapedthenegativeconnotationsandremaininuse.HoweverwenotethatwaitersoftenworkinmoreexpensiveestablishmentsthandowaitressesthatactressesbelongtoActorsEquityandthatwomenparticipantsintheatricalgroupshavebeguntorefertothemselvesasactors.onrareoccasionsthispresumptionofmalenessintermswhichshouldbesexuallyneutralworkstowomen’’sadvantage.Ifsomeoneiscalledabastardeitherasageneraltermofabuseorasastatementofthelackoflegalmaritaltiesbetweenthatpersonsparentsweassumethatpersonisamale.Whileanillegitimatechildmaybeofeithersexonlymenarebastardincommonusage.Althoughthedictionaryseemstoregardthisasasex-neutraltermarecentdictionaryofslanggivesthetermbastardadefinitionasafemalebastard. ThemainideaofthepassageisthattheseeminglyneutralEnglishisactuallymasculine.
{{*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.
AnotherAreaofEnglishLanguage Considernowanotherareaofourlanguage.Englishhasalargenumberofnounswhichappeartobeneutralwithregardtosexbutactuallyarecovertlymasculine.Althoughthedictionarymaydefinepoetasonewhowritespoetryawomanwhowritespoetryappearssoanomalousorthreateningtosomethattheyusethespecialtermpoetesstorefertoher.Thereisnocorrespondingtermtocallattentiontothesexofamanwhowritespoetrybutthenwefindnothingremarkableinthefactthatpoetryiswrittenbymen.Ofcourseifawomanissufficientlymeritoriouswemayforgivehersexandrefertoherasapoetafterallorwishingtokeeptheimportantfactofhersexinourconsciousnesswemaycallherawomanpoet.Howevertobalancethepossiblerewardofhavinghersexoverlookedthereremainsthepossibilityofmoreextremepunishmentwemayjudgeherworksoharshlythatshewillbelabelledaladypoet.Onceagainthemoralisclearpeoplewhowritepoetryareassumedtobemenuntilprovenotherwiseandpeopleidentifiedaswomenwhowritepoetryareassumedtobelesscompetentthansexuallyunidentifiedi.e.presumablymalepeoplewhowritepoetry. Ifthephenomenonwehavebeendiscussingwerelimitedtopoetrywemightnotregarditasverysignificantafteralloursocietytendstoregardpoetsassomewhatoddanyway.Butinfactitiswidespreadinthelanguage.Thereisageneraltendencytolabeltheexceptionwhichinmostcasesturnsouttobewomen.Manywordswithfemininesuffixessuchasfarmeretteauthoressandaviatrixhavesuchacleartrivializingeffectthattherehasbeenatrendawayfromtheiruseandapreferenceforwomanauthorandthelike.ThefemininesofmanyethnictermssuchasNegressandJewessareconsideredparticularlyobjectionable.Otherwordssuchasactressandwaitressseemtohaveescapedthenegativeconnotationsandremaininuse.HoweverwenotethatwaitersoftenworkinmoreexpensiveestablishmentsthandowaitressesthatactressesbelongtoActorsEquityandthatwomenparticipantsintheatricalgroupshavebeguntorefertothemselvesasactors.onrareoccasionsthispresumptionofmalenessintermswhichshouldbesexuallyneutralworkstowomen’’sadvantage.Ifsomeoneiscalledabastardeitherasageneraltermofabuseorasastatementofthelackoflegalmaritaltiesbetweenthatpersonsparentsweassumethatpersonisamale.Whileanillegitimatechildmaybeofeithersexonlymenarebastardincommonusage.Althoughthedictionaryseemstoregardthisasasex-neutraltermarecentdictionaryofslanggivesthetermbastardadefinitionasafemalebastard. ThispassageisfromachaptercalledOfGirlsandClicks.Fromthemiddlepartofthechapterwecanknowthis.
TheCentralDogma ThoughitcomesasnosurprisethatthecompositionofDNAbetweendifferentorganismsisdifferentitisnotimmediatelyobviouswhythemusclecellsbloodcellsandbraincellsofanyoneparticularvertebrate脊椎动物aresodifferentintheirstructureandcompositionwhentheDNAofeveryoneoftheircellsisidentical.Thisisthekeytooneofthemostexcitingareasofmoderncellbiology.Indifferentcelltypesdifferentsetsofthetotalnumberofgenesgenome基因组areexpressed.InotherwordsdifferentregionsoftheDNAareactiveinthemusclecellsbloodcellsandbraincells. TounderstandhowthisdifferenceinDNAactivitycanleadtodifferencesincellstructureandcompositionitisnecessarytoconsiderwhatisoftenknownasthecentraldogma法则ofmolecularbiology:DNAmakesRNAmakeprotein.InmoleculartermsageneisthatportionofDNAthatencodesforasingleprotein.Thedictumonegenemakesoneproteinhasrequiredsomemodification改变withthediscoverythatsomeproteinsarecomposedofseveraldifferentpolypeptide多肽chainsbuttheonegenemakesonepolypeptideruledoeshold. DNAContainstheBlueprintforAllCellProteins. MessengerRNAisaprecisecopytranscriptofthecodedsequenceofnucleicacidbasesinDNAandthismessageistranslatedintoauniqueproteinmoleculeonspecialistorganellesribo-somespresentinthecytoplasm细胞质ofallcells.Proteins蛋白质whicharelargelymadeupofcarbonChydrogenHoxygenOandnitrogenNareconstructedfrom20differentcommonaminoacids.Theversatilityofproteinstheworkhorsemoleculesofthecellstemsfromtheimmensevarietyofmolecularshapesthatcanbecreatedbylinkingaminoacidstogetherindifferentsequences.Thesmallerproteinsconsistofonlyafewdozenaminoacidswhereasthelargeronesmaycontaininexcessof200aminoacidsalllinkedtogetherinalinear线状的chainbypeptidebonds. Astheproteinsarereleasedfromtheribosome核糖体theyfoldintouniqueshapesundertheinfluenceofchemicalforcesthatdependontheparticularsequenceofaminoacids.Sotheproteinprimarysequenceencodedinthegeneandfaithfullytranscribedandtranslatedintoanaminoacidchaindeterminesthethree-dimensionalstructureoftheemergingmolecule.Thehumanbodypossessessome30000differentkindsofproteinsandseveralmillioncopiesofmanyofthese.Eachplaysaspecificrole——forexamplehemoglobincarriesoxygeninthebloodactin肌动蛋白andmyosin肌球蛋白interacttogeneratemusclemovementandacetylcholine乙酸胆碱receptormoleculesmediatechemicaltransmissionbetweennerveandmusclecells. Enzymes—ProteinBiocatalysts Anessentialgroupofproteins—theenzymes酵素—actasbiologicalcatalysts催化剂andregulateallaspectsofcellmetabolism新陈代谢.Theyenablebreakdownofhigh-energyfoodmoleculescarbohydratestoprovideenergyforbiologicalreactionsandtheycontrolthesyntheticpathwaysthatresultinthegenerationoflipidse.g.fatscholesterol胆固醇andothervitalmembrane膜componentscarbohydrates碳水化合物sugarsstarch淀粉andcellulose纤维素thekeycomponentsofplantcellwallsandmanyvitalsmallbiomoleculesessentialforcellfunction. Thebesttitleofthispassageis______.
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?
TheCentralDogma ThoughitcomesasnosurprisethatthecompositionofDNAbetweendifferentorganismsisdifferentitisnotimmediatelyobviouswhythemusclecellsbloodcellsandbraincellsofanyoneparticularvertebrate脊椎动物aresodifferentintheirstructureandcompositionwhentheDNAofeveryoneoftheircellsisidentical.Thisisthekeytooneofthemostexcitingareasofmoderncellbiology.Indifferentcelltypesdifferentsetsofthetotalnumberofgenesgenome基因组areexpressed.InotherwordsdifferentregionsoftheDNAareactiveinthemusclecellsbloodcellsandbraincells. TounderstandhowthisdifferenceinDNAactivitycanleadtodifferencesincellstructureandcompositionitisnecessarytoconsiderwhatisoftenknownasthecentraldogma法则ofmolecularbiology:DNAmakesRNAmakeprotein.InmoleculartermsageneisthatportionofDNAthatencodesforasingleprotein.Thedictumonegenemakesoneproteinhasrequiredsomemodification改变withthediscoverythatsomeproteinsarecomposedofseveraldifferentpolypeptide多肽chainsbuttheonegenemakesonepolypeptideruledoeshold. DNAContainstheBlueprintforAllCellProteins. MessengerRNAisaprecisecopytranscriptofthecodedsequenceofnucleicacidbasesinDNAandthismessageistranslatedintoauniqueproteinmoleculeonspecialistorganellesribo-somespresentinthecytoplasm细胞质ofallcells.Proteins蛋白质whicharelargelymadeupofcarbonChydrogenHoxygenOandnitrogenNareconstructedfrom20differentcommonaminoacids.Theversatilityofproteinstheworkhorsemoleculesofthecellstemsfromtheimmensevarietyofmolecularshapesthatcanbecreatedbylinkingaminoacidstogetherindifferentsequences.Thesmallerproteinsconsistofonlyafewdozenaminoacidswhereasthelargeronesmaycontaininexcessof200aminoacidsalllinkedtogetherinalinear线状的chainbypeptidebonds. Astheproteinsarereleasedfromtheribosome核糖体theyfoldintouniqueshapesundertheinfluenceofchemicalforcesthatdependontheparticularsequenceofaminoacids.Sotheproteinprimarysequenceencodedinthegeneandfaithfullytranscribedandtranslatedintoanaminoacidchaindeterminesthethree-dimensionalstructureoftheemergingmolecule.Thehumanbodypossessessome30000differentkindsofproteinsandseveralmillioncopiesofmanyofthese.Eachplaysaspecificrole——forexamplehemoglobincarriesoxygeninthebloodactin肌动蛋白andmyosin肌球蛋白interacttogeneratemusclemovementandacetylcholine乙酸胆碱receptormoleculesmediatechemicaltransmissionbetweennerveandmusclecells. Enzymes—ProteinBiocatalysts Anessentialgroupofproteins—theenzymes酵素—actasbiologicalcatalysts催化剂andregulateallaspectsofcellmetabolism新陈代谢.Theyenablebreakdownofhigh-energyfoodmoleculescarbohydratestoprovideenergyforbiologicalreactionsandtheycontrolthesyntheticpathwaysthatresultinthegenerationoflipidse.g.fatscholesterol胆固醇andothervitalmembrane膜componentscarbohydrates碳水化合物sugarsstarch淀粉andcellulose纤维素thekeycomponentsofplantcellwallsandmanyvitalsmallbiomoleculesessentialforcellfunction. WhichofthefollowingStatementsaboutBiocatalystisfalse?
{{*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}}.
Cometsarestillregardedwithfrightbysomepeople.
Itishisassumptionofafalsetheorythatmadehimpayahighprice.
{{*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}}.
热门题库
更多
中石油职称英语
理工类
卫生类
综合类
国际货运代理师
报关水平测试
报检员
物流员(四级)
助理物流师(三级)
物流师(二级)
高级物流师(一级)
物流案例分析
单证员基础理论与知识
单证员缮制与操作
国际货运代理理论与实务
外贸综合业务
湘公网安备 43130202000226号