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阅读下面这篇短文，短文后列出7个句子，请根据短文的内容对每个句子做出判断。 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? {{B}}Sl...
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{{*HTML*}}下面有3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项中选择1个最佳答案{{B}}第一篇{{/B}} {{B}} MoreThanaRidetoSchool{{/B}}??TheNational EducationAssociationclaimsTheschoolbusisamirrorofthecommunity. Theyfurtheraddthatunfortunatelywhatappearsontheexteriordoesnot alwaysreflecttherealityofachosencommunity.Theyareright-sometimesit reflectsmore!JustaskLieslDenson.Ridingtheschoolbushasbeenmorethana ridetoschoolforLiesl.??BruceHardyschoolbusdriverfor AlthouseBusCompanyhasbeenLiesl’sbusdriversincekindergarten.Lastyear whenLiesl’sfamilymovedtoParkesburgknowingherbuswentbyhernew residencesherequestedtoridethesamebus.??ThisyearLiesl isaseniorandwillenjoyherlastyearridingthebus.ShesaysIt’sbeena greatridesofar!Mybusdriverissocoolandhasalwaysbeenagoodfriend andagoodlistener.Sometimeswhenyou’reachildadultsdonotthinkthatwhat youhavetosayisimportant.Mr.Hardyalwayslistenstowhatyouhavetosay andmakesyoufeelimportant.HerfriendsAshleyBatistaandAmandaWolfe agree.??BruceHardyhasbeenmakingOctorarastudentsfeel specialsince1975.Thisyearhewillcelebrate30yearsworkingforAlthouse BusCompany.LarryAlthousepresidentofthecompanyacknowledgesBruce Hardy’soutstandingrecord:YoudonotcomebyemployeeslikeBrucethesedays. Hehasnevermissedadayofworkandhasaperfectdrivingrecord.Hewas recognizedin2000bythePennsylvaniaSchoolBusAssociationfordriving 350000accidentfreemiles.Hardy’sreputationismadefurtherevidentthrough therelationshipshehasmadewiththestudentsthatridehisbus.? ?AlthousefurtheraddsAlthouseBusCompanywasestablished70yearsago andhasbeenprovidingqualitytransportationeversince.Mygrandfatherstarted thebusinesswithonebus.AlthouseBusCompanyisdelightedtohavethe opportunitytobringdistinctiveandsafeservicetoourlocalschooland communityandlooksforwardtocontinuingtoprovidequalityserviceformany moreyearstocome.??Threegenerationsofbusinessisnotall thecompanyhasenjoyed.ThankstodriverslikeBruceHardytheyhavebeen buildingrelationshipsthroughgenerations.Liesl’smotherCarolalsoenjoys fondmemoriesofridingBruceHardy’sbustotheOctoraraSchool District.WhichofthefollowingstatementsisNOTtrueofBruceHardy?
{{*HTML*}}阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 {{B}} MadScientistStereotypeOutdated{{/B}}??Dopeople stillimagineaphysicistasabeardedmaninglassesorhastheimageofthe madscientistchanged?TheInstituteofPhysicssetouttofindoutwhetherthe stereotypeofaphysicsboffin科学家stillexistsbyconductingasurveyon shoppersinLondon.Thepeoplewereaskedtoidentifythephysicistfroma photographofaline-upofpossiblesuspects.98percentofthoseaskedgotit wrong.Themajorityofpeoplepickedawhitemaleofaround60wearingglasses andwithawhitebeard.??Whilethisstereotypemayhavebeenthe imageofanaveragephysicistfiftyyearsagotherealityisnowvery different.Since1960thenumberofyoungwomenenteringphysicshasdoubledand theaverageageofaphysicistisnow31.??Thestereotypeofthe absent-mindedscientisthaslastedalongtimebecausethemediaandHollywood helppromotetheimageofmeninwhitelabcoatswithglassessittingby blackboardsfullofequations等式orworkingwithfizzing嘶嘶响testtubes. Thesestereotypesarereallydamagingtosociety.Verygoodschoolchildrenare putoffstudyingsciencebecausetheydon’tseepeoplelikethemselveson televisionorinmagazinesdoingscience.Theysimplydon’trelatetothe media’simageofthemadscientist.??Thisisonereasonwhyfewer youngpeoplearechoosingtodoscienceatuniversity.Ifwewanttoencourage moreyoungpeopletostudysciencesubjectsweneedtochangethisimageofthe scientistandmakesciencecareersmoreattractive.Butwemustalsodevelop children’sinterestinscience.??Inanattempttochangethis negativeimageanincreasingnumberofsciencefestivalsarebeingorganized. Thousandsofpeoplefromsecondaryschoolsarealsoencouragedtotakepartin nationwidesciencecompetitionsofwhichthemostpopulararethenational scienceOlympiads.Winningnationalteamsthengettheopportunitytotakepart intheInternationalScienceOlympiadswhichareheldinadifferentcountry everyyear.Theseeventsareallinterestingfortheyoungpeoplewhotakepart buttheyonlyinvolveasmallproportionofstudentswhoarealreadyinterested inscience.Itseemsthatthereisalongwaytogobeforesciencebecomes attractiveassubjectslikecomputerstudiesorfashionand design.Therewillbemorewomenscientiststhanmenscientistsinthefuture.
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{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}} Earth’sInnerCore{{/B}}??Scientistshavelong struggledtounderstandwhatliesattheplanet’scenter.Directobservationof itscenterisimpossiblesoresearchersmust{{U}}?51?{{/U}}toother evidence.??In1889aGermanscientistdetectedasevere earthquakeinJapan.Geophysicistsconcludedthatshockwaves{{U}}?52 ?{{/U}}jolts晃动fromonesideofEarththroughthecentertotheother side.Thenin1936DanishgeophysicistlngeLehmannstudiedthewaves’ {{U}}?53?{{/U}}todeterminethatwithinEarth’scoreofmolten熔化了的 ironliesasolidinnercore-but{{U}}?54?{{/U}}thatcorewasmade ofeluded难倒her.OthergeophysicistsquicklydeterminedthatLehmann’sinner corewascomposedmostly{{U}}?55?{{/U}}iron.SincethenLehmann’s discoveryhas{{U}}?56?{{/U}}conventionalEarthscience.? ?Butnowscientistsarechallengingtraditionaltheorywithnewandradical {{U}}?57?{{/U}}.ForexampleEarth’scentercouldactuallycontainan innercorewithintheinnercoreclaimIshiiandcolleagueAdam Dziewonski.??Analyzinghundredsofthousandsofearthquakewave {{U}}?58?{{/U}}theymaintainthattheinnercorehasatitshearta tinyevenmoresolidsphere球体.Thisspheremaybetheoldestfossil {{U}}?59?{{/U}}fromtheformationofEarthsays Dziewonski.??DziewonskiandIshiispeculatethatshortly {{U}}?60?{{/U}}Earthformedaround4.8billionyearsagoagiant asteroid小行星smashedintotheyoungplanetandnearlymeltedit.ButEarth’s centerdidn’tquitemelt;it{{U}}?61?{{/U}}massastheplanetcooled. Thecorewithinacoremaybethekernel核心thatendured.itspresencecould changeourbasicideasaboutthe{{U}}?62?{{/U}}oftheplanet Dziewonskisays.??Dziewonski’sideaistame温和的comparedtothe {{U}}?63?{{/U}}theoriesofindependentgeophysicistJ.MarvinHerndon. Earth’sinnercoreismadenotofironheclaimsbuta{{U}}?64 ?{{/U}}ofnickelandsilicon.Herndonhasatrulyrevolutionarynotion: Withinthenickelsilicide硅化物innercoreisalsoaninnerinnercore-an8 km-wideballoftheelementuranium.Uraniumisradioactive.Herndonthinksthe uraniumreleasesheatenergyasitsatoms{{U}}?65?{{/U}}fission-split andcrashintooneanotherinachainreaction.Inotherwordswemayliveon topofagiganticnaturalnuclearpower plant.
{{*HTML*}}阅读下面这篇短文短文后有2项测试任务1第23—26题要求从所给的6个选项中为第1—4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}} Cloning克隆:FuturePerfect?{{/B}}??1?A cloneisanexactcopyofaplantoranimalproducedfromanyonecell.Since ScottishscientistsreportedthattheyhadmanagedtocloneasheepnamedDolly in1997researchintocloninghasgrownrapidly.InMay1998scientistsin Massachusettsmanagedtocreatetwoidenticalcalves牛犊usingcloning technology.Amousehasalsobeenclonedsuccessfully.Butthedebateover cloninghumansreallystartedwhenChicagophysicistRichardSeedmadea surprisingannouncement:Wewillhavemanagedtocloneahumanbeingwithinthe nexttwoyearshetoldtheworld.??2?Seed’sannouncement provokedalotofmediaattentionmostofitnegative.InEuropenineteen nationshavealreadysignedanagreementbanninghumancloningandintheUSthe Presidentannounced:Wewillbeintroducingalawtobanallhumancloningand manystatesintheUSwillhavepassedanti-cloninglawsbytheendofthe year.??3?Manyresearchersarenotsonegativeabout cloning.Theyareworriedthatlawsbanninghumancloningwillthreaten importantresearch.InMarchTheNewEnglandJournalofMedicinecalledany plantobanresearchoncloninghumansseriouslymistaken.Manyresearchersalso believethatinspiteofattemptstobanithumancloningwillhavebecome routineby2010becauseitisimpossibletostoptheprogressof science.??4?Istherereasontofearthatcloningwilllead toanightmareworld?Thepublichasbeenbombarded轰炸withnewspaper articlestelevisionshowsandfilmsaswellascartoons.Suchinformationis oftenmisleadingandmakespeoplewonderwhatonearththescientistswillbe doingnext.??5?Withinthenextfivetotenyearsscientists willprobablyhavefoundawayofcloninghumans.Itcouldbethatprettysoon wewillbeabletochoosethepersonthatwewantourchildtolooklike.But howwoulditfeeltobeacloneamonghundredstheanti-clonersask.Pretty coolanswerthepro-cloners赞成克隆的人.TheUnitedStateswillintroduce______.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}} Earth’sInnerCore{{/B}}??Scientistshavelong struggledtounderstandwhatliesattheplanet’scenter.Directobservationof itscenterisimpossiblesoresearchersmust{{U}}?51?{{/U}}toother evidence.??In1889aGermanscientistdetectedasevere earthquakeinJapan.Geophysicistsconcludedthatshockwaves{{U}}?52 ?{{/U}}jolts晃动fromonesideofEarththroughthecentertotheother side.Thenin1936DanishgeophysicistlngeLehmannstudiedthewaves’ {{U}}?53?{{/U}}todeterminethatwithinEarth’scoreofmolten熔化了的 ironliesasolidinnercore-but{{U}}?54?{{/U}}thatcorewasmade ofeluded难倒her.OthergeophysicistsquicklydeterminedthatLehmann’sinner corewascomposedmostly{{U}}?55?{{/U}}iron.SincethenLehmann’s discoveryhas{{U}}?56?{{/U}}conventionalEarthscience.? ?Butnowscientistsarechallengingtraditionaltheorywithnewandradical {{U}}?57?{{/U}}.ForexampleEarth’scentercouldactuallycontainan innercorewithintheinnercoreclaimIshiiandcolleagueAdam Dziewonski.??Analyzinghundredsofthousandsofearthquakewave {{U}}?58?{{/U}}theymaintainthattheinnercorehasatitshearta tinyevenmoresolidsphere球体.Thisspheremaybetheoldestfossil {{U}}?59?{{/U}}fromtheformationofEarthsays Dziewonski.??DziewonskiandIshiispeculatethatshortly {{U}}?60?{{/U}}Earthformedaround4.8billionyearsagoagiant asteroid小行星smashedintotheyoungplanetandnearlymeltedit.ButEarth’s centerdidn’tquitemelt;it{{U}}?61?{{/U}}massastheplanetcooled. Thecorewithinacoremaybethekernel核心thatendured.itspresencecould changeourbasicideasaboutthe{{U}}?62?{{/U}}oftheplanet Dziewonskisays.??Dziewonski’sideaistame温和的comparedtothe {{U}}?63?{{/U}}theoriesofindependentgeophysicistJ.MarvinHerndon. Earth’sinnercoreismadenotofironheclaimsbuta{{U}}?64 ?{{/U}}ofnickelandsilicon.Herndonhasatrulyrevolutionarynotion: Withinthenickelsilicide硅化物innercoreisalsoaninnerinnercore-an8 km-wideballoftheelementuranium.Uraniumisradioactive.Herndonthinksthe uraniumreleasesheatenergyasitsatoms{{U}}?65?{{/U}}fission-split andcrashintooneanotherinachainreaction.Inotherwordswemayliveon topofagiganticnaturalnuclearpower plant.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}} Earth’sInnerCore{{/B}}??Scientistshavelong struggledtounderstandwhatliesattheplanet’scenter.Directobservationof itscenterisimpossiblesoresearchersmust{{U}}?51?{{/U}}toother evidence.??In1889aGermanscientistdetectedasevere earthquakeinJapan.Geophysicistsconcludedthatshockwaves{{U}}?52 ?{{/U}}jolts晃动fromonesideofEarththroughthecentertotheother side.Thenin1936DanishgeophysicistlngeLehmannstudiedthewaves’ {{U}}?53?{{/U}}todeterminethatwithinEarth’scoreofmolten熔化了的 ironliesasolidinnercore-but{{U}}?54?{{/U}}thatcorewasmade ofeluded难倒her.OthergeophysicistsquicklydeterminedthatLehmann’sinner corewascomposedmostly{{U}}?55?{{/U}}iron.SincethenLehmann’s discoveryhas{{U}}?56?{{/U}}conventionalEarthscience.? ?Butnowscientistsarechallengingtraditionaltheorywithnewandradical {{U}}?57?{{/U}}.ForexampleEarth’scentercouldactuallycontainan innercorewithintheinnercoreclaimIshiiandcolleagueAdam Dziewonski.??Analyzinghundredsofthousandsofearthquakewave {{U}}?58?{{/U}}theymaintainthattheinnercorehasatitshearta tinyevenmoresolidsphere球体.Thisspheremaybetheoldestfossil {{U}}?59?{{/U}}fromtheformationofEarthsays Dziewonski.??DziewonskiandIshiispeculatethatshortly {{U}}?60?{{/U}}Earthformedaround4.8billionyearsagoagiant asteroid小行星smashedintotheyoungplanetandnearlymeltedit.ButEarth’s centerdidn’tquitemelt;it{{U}}?61?{{/U}}massastheplanetcooled. Thecorewithinacoremaybethekernel核心thatendured.itspresencecould changeourbasicideasaboutthe{{U}}?62?{{/U}}oftheplanet Dziewonskisays.??Dziewonski’sideaistame温和的comparedtothe {{U}}?63?{{/U}}theoriesofindependentgeophysicistJ.MarvinHerndon. Earth’sinnercoreismadenotofironheclaimsbuta{{U}}?64 ?{{/U}}ofnickelandsilicon.Herndonhasatrulyrevolutionarynotion: Withinthenickelsilicide硅化物innercoreisalsoaninnerinnercore-an8 km-wideballoftheelementuranium.Uraniumisradioactive.Herndonthinksthe uraniumreleasesheatenergyasitsatoms{{U}}?65?{{/U}}fission-split andcrashintooneanotherinachainreaction.Inotherwordswemayliveon topofagiganticnaturalnuclearpower plant.
{{*HTML*}}阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择5组文字将其分别放回文章原有位置以恢复文章原貌 {{B}} EveryDogHasItsSay{{/B}}??KimikoFukudaa JapanesegirlalwayswonderedWhatherdogwastryingtosay.Wheneversheput onmakeupitwouldpullathersleeve.{{U}}?46?{{/U}}Whenthedog barkssheglancesatasmallelectronicgadget装置.Thefollowinghuman translationappearsonitsscreen:Pleasetakemewithyou.Irealizedthat’s howhewasfeelingsaidFukuda.??Thegadgetiscalled Bowlingualandittranslatesdogbarksintofeelings.Peoplelaughedwhenthe JapanesetoymakerTakaraCompanymadetheworld’sfirstdog-humantranslation machinein2002.But300000Japanesedogownersboughtit.{{U}}?47 ?{{/U}}??NobodyelsehadthoughtaboutitsaidMasahiko KajitawhoworksforTakara.Wespendsomuchtimetrainingdogstounderstand ourorders;whatwoulditbelikeifwecouldunderstanddogs?? ?Bowtingualhastwoparts.{{U}}?48?{{/U}}Thetranslationisdone inthegadgetusingadatabase资料库containingeverykindofbark.? ?Basedonanimalbehaviourresearchthesenoisesaredividedintosix categories:happinesssadnessfrustrationangerdeclarationanddesire. {{U}}?49?{{/U}}Inthiswaythedatabasescientificallymatchesabark toanemotionwhichisthentranslatedintooneof200phrases.? ?WhenavisitorwenttoFukuda’shouserecentlythedogbarkedaloudbow wow.ThisistranslatedasDon’tcomethisway.{{U}}?50 ?{{/U}}??TheproductwillbeavailableinUSpetstoresthis summerforaboutUS$120.Itcanstoreupto100barksevenrecordingthedog’s emotionswhentheownerisaway.A?Awirelessmicrophoneisattachedto thedog’scollarwhichsendsinformationtothegadgetheldbytheowner.B ?Nobodyreallyknowshowadogfeels.C?ItwasfollowedbyI’m strongerthanyouasthedoggrowled嗥叫andsniffed嗅atthevisitor.D ?MorecustomersareexpectedwhentheEnglishversionislaunchedthis summer.E?NowtheJapanesegirlthinkssheknows.F?Eachone oftheseemotionsisthenlinkedtoaphraselikeLet’splayLookatmeor Spendmoretimewithme.
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{{*HTML*}}{{B}}第三篇{{/B}} {{B}} TheExplodingLakesofCameroon{{/B}}??Whatcomes tomindwhenyouthinkofalake?Youprobablyimagineaprettyscenewithblue waterbirdsandfish.ForthepeopleinthenorthwesternCameroonhowever theimageisverydifferent.Forthemlakesmaymeanterribledisasters.In 1984poisonousgasesexplodedoutofLakeMonounandcamedownintothenearby villageskillingthirty-sevenpeople.TwoyearslaterLakeNyoserupted.A cloudofgasesrolleddownthehillsandintothevalleysandkilled1700 people.??LakeNyosandLakeMonounarecrater火山口lakes.They wereformedwhenwatercollectedinthecratersofoldvolcanoes.Thevolcanoes underLakeNyosandLakeMonounarenotactiveanymore.Howeverpoisonousgases fromthecenteroftheearthcontinuetoflowupthroughcracksinthebottomof thelake.Thisisnormalinacraterlake.Inmostcraterlakesthesegasesare releasedoftenbecausethewaterturnsoverregularly.Thatisthewaterfrom thebottomofthelakerisesandmixeswiththewateratthetopallowingthe gasestoescapeslowly.??HoweverinLakesNyosandMonounthere isnoregularturningover.Nooneknowsthereasonforthisfactbutasa resulttheselakeshavemoregasestrappedatthebottomthanothercrater lakes.InfactscientistswhohavestudiedLakesNyosandMonounhavefound 16000timesmoregases.Whenastrongwindcoolweatherastormora landslide滑坡causesthewatertoturnoversuddenlythegasesescapeina violentexplosion.??Inthepastnooneknewwhenthegasesmight explodesotherewasnowayforthevillagerstoescapedisaster.Now scientistsfromtheUnitedStatesFranceandCameroonhavefoundawayto reducethegaspressureatthebottomofLakeNyos.Theystooda672-foot plasticpipeinthemiddleofthelakewithoneendofthepipenearthebottom andtheotherendintheair.Nearthetopofthepipetheteamputseveral holesthatcouldbeopenedorclosedbyacomputer.Nowwhenthegaspressure getstoohightheholesareopenedandsomeofthegas-filledwatershootsup throughthepipeintotheairlikeafountain.Withlesspressureadisastrous explosionismuchlesslikely.Howeverthescientistsarenotsurethatone pipewillbeenoughtopreventexplosions.Theyhopetoputinotherssoonand theyplantoinstallasimilarpipeandacomputersystematLakeMonounas well.??Toprotectpeoplenearbyuntilallofthepipesarein placethescientistshaveinstalledearlywarningsystemsatbothlakes.Ifthe gaspressurerisestoadangerouslevelcomputerswillsetoffloudsirens警报 andbrightlightstowarnthepeopleinthevillages.Thatwaytheywillhave timetoescapefromthedangerousgases.LakeNyosandLakeMonounexplodebecause
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}} Earth’sInnerCore{{/B}}??Scientistshavelong struggledtounderstandwhatliesattheplanet’scenter.Directobservationof itscenterisimpossiblesoresearchersmust{{U}}?51?{{/U}}toother evidence.??In1889aGermanscientistdetectedasevere earthquakeinJapan.Geophysicistsconcludedthatshockwaves{{U}}?52 ?{{/U}}jolts晃动fromonesideofEarththroughthecentertotheother side.Thenin1936DanishgeophysicistlngeLehmannstudiedthewaves’ {{U}}?53?{{/U}}todeterminethatwithinEarth’scoreofmolten熔化了的 ironliesasolidinnercore-but{{U}}?54?{{/U}}thatcorewasmade ofeluded难倒her.OthergeophysicistsquicklydeterminedthatLehmann’sinner corewascomposedmostly{{U}}?55?{{/U}}iron.SincethenLehmann’s discoveryhas{{U}}?56?{{/U}}conventionalEarthscience.? ?Butnowscientistsarechallengingtraditionaltheorywithnewandradical {{U}}?57?{{/U}}.ForexampleEarth’scentercouldactuallycontainan innercorewithintheinnercoreclaimIshiiandcolleagueAdam Dziewonski.??Analyzinghundredsofthousandsofearthquakewave {{U}}?58?{{/U}}theymaintainthattheinnercorehasatitshearta tinyevenmoresolidsphere球体.Thisspheremaybetheoldestfossil {{U}}?59?{{/U}}fromtheformationofEarthsays Dziewonski.??DziewonskiandIshiispeculatethatshortly {{U}}?60?{{/U}}Earthformedaround4.8billionyearsagoagiant asteroid小行星smashedintotheyoungplanetandnearlymeltedit.ButEarth’s centerdidn’tquitemelt;it{{U}}?61?{{/U}}massastheplanetcooled. Thecorewithinacoremaybethekernel核心thatendured.itspresencecould changeourbasicideasaboutthe{{U}}?62?{{/U}}oftheplanet Dziewonskisays.??Dziewonski’sideaistame温和的comparedtothe {{U}}?63?{{/U}}theoriesofindependentgeophysicistJ.MarvinHerndon. Earth’sinnercoreismadenotofironheclaimsbuta{{U}}?64 ?{{/U}}ofnickelandsilicon.Herndonhasatrulyrevolutionarynotion: Withinthenickelsilicide硅化物innercoreisalsoaninnerinnercore-an8 km-wideballoftheelementuranium.Uraniumisradioactive.Herndonthinksthe uraniumreleasesheatenergyasitsatoms{{U}}?65?{{/U}}fission-split andcrashintooneanotherinachainreaction.Inotherwordswemayliveon topofagiganticnaturalnuclearpower plant.
{{*HTML*}}{{B}}第三篇{{/B}} {{B}} TheExplodingLakesofCameroon{{/B}}??Whatcomes tomindwhenyouthinkofalake?Youprobablyimagineaprettyscenewithblue waterbirdsandfish.ForthepeopleinthenorthwesternCameroonhowever theimageisverydifferent.Forthemlakesmaymeanterribledisasters.In 1984poisonousgasesexplodedoutofLakeMonounandcamedownintothenearby villageskillingthirty-sevenpeople.TwoyearslaterLakeNyoserupted.A cloudofgasesrolleddownthehillsandintothevalleysandkilled1700 people.??LakeNyosandLakeMonounarecrater火山口lakes.They wereformedwhenwatercollectedinthecratersofoldvolcanoes.Thevolcanoes underLakeNyosandLakeMonounarenotactiveanymore.Howeverpoisonousgases fromthecenteroftheearthcontinuetoflowupthroughcracksinthebottomof thelake.Thisisnormalinacraterlake.Inmostcraterlakesthesegasesare releasedoftenbecausethewaterturnsoverregularly.Thatisthewaterfrom thebottomofthelakerisesandmixeswiththewateratthetopallowingthe gasestoescapeslowly.??HoweverinLakesNyosandMonounthere isnoregularturningover.Nooneknowsthereasonforthisfactbutasa resulttheselakeshavemoregasestrappedatthebottomthanothercrater lakes.InfactscientistswhohavestudiedLakesNyosandMonounhavefound 16000timesmoregases.Whenastrongwindcoolweatherastormora landslide滑坡causesthewatertoturnoversuddenlythegasesescapeina violentexplosion.??Inthepastnooneknewwhenthegasesmight explodesotherewasnowayforthevillagerstoescapedisaster.Now scientistsfromtheUnitedStatesFranceandCameroonhavefoundawayto reducethegaspressureatthebottomofLakeNyos.Theystooda672-foot plasticpipeinthemiddleofthelakewithoneendofthepipenearthebottom andtheotherendintheair.Nearthetopofthepipetheteamputseveral holesthatcouldbeopenedorclosedbyacomputer.Nowwhenthegaspressure getstoohightheholesareopenedandsomeofthegas-filledwatershootsup throughthepipeintotheairlikeafountain.Withlesspressureadisastrous explosionismuchlesslikely.Howeverthescientistsarenotsurethatone pipewillbeenoughtopreventexplosions.Theyhopetoputinotherssoonand theyplantoinstallasimilarpipeandacomputersystematLakeMonounas well.??Toprotectpeoplenearbyuntilallofthepipesarein placethescientistshaveinstalledearlywarningsystemsatbothlakes.Ifthe gaspressurerisestoadangerouslevelcomputerswillsetoffloudsirens警报 andbrightlightstowarnthepeopleinthevillages.Thatwaytheywillhave timetoescapefromthedangerousgases.WhatwillhappenwhenLakeNyosandLakeMonounexplode?
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{{*HTML*}}阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择5组文字将其分别放回文章原有位置以恢复文章原貌 {{B}} EveryDogHasItsSay{{/B}}??KimikoFukudaa JapanesegirlalwayswonderedWhatherdogwastryingtosay.Wheneversheput onmakeupitwouldpullathersleeve.{{U}}?46?{{/U}}Whenthedog barkssheglancesatasmallelectronicgadget装置.Thefollowinghuman translationappearsonitsscreen:Pleasetakemewithyou.Irealizedthat’s howhewasfeelingsaidFukuda.??Thegadgetiscalled Bowlingualandittranslatesdogbarksintofeelings.Peoplelaughedwhenthe JapanesetoymakerTakaraCompanymadetheworld’sfirstdog-humantranslation machinein2002.But300000Japanesedogownersboughtit.{{U}}?47 ?{{/U}}??NobodyelsehadthoughtaboutitsaidMasahiko KajitawhoworksforTakara.Wespendsomuchtimetrainingdogstounderstand ourorders;whatwoulditbelikeifwecouldunderstanddogs?? ?Bowtingualhastwoparts.{{U}}?48?{{/U}}Thetranslationisdone inthegadgetusingadatabase资料库containingeverykindofbark.? ?Basedonanimalbehaviourresearchthesenoisesaredividedintosix categories:happinesssadnessfrustrationangerdeclarationanddesire. {{U}}?49?{{/U}}Inthiswaythedatabasescientificallymatchesabark toanemotionwhichisthentranslatedintooneof200phrases.? ?WhenavisitorwenttoFukuda’shouserecentlythedogbarkedaloudbow wow.ThisistranslatedasDon’tcomethisway.{{U}}?50 ?{{/U}}??TheproductwillbeavailableinUSpetstoresthis summerforaboutUS$120.Itcanstoreupto100barksevenrecordingthedog’s emotionswhentheownerisaway.A?Awirelessmicrophoneisattachedto thedog’scollarwhichsendsinformationtothegadgetheldbytheowner.B ?Nobodyreallyknowshowadogfeels.C?ItwasfollowedbyI’m strongerthanyouasthedoggrowled嗥叫andsniffed嗅atthevisitor.D ?MorecustomersareexpectedwhentheEnglishversionislaunchedthis summer.E?NowtheJapanesegirlthinkssheknows.F?Eachone oftheseemotionsisthenlinkedtoaphraselikeLet’splayLookatmeor Spendmoretimewithme.
{{*HTML*}}{{B}}第二篇{{/B}} {{B}} APhoneThatKnowsYou’reBusy{{/B}}??It’sa modernproblem:You’retoobusytobedisturbedbyincessant连续不断的phonecalls soyouturnyourcellphoneoff.Butifyoudon’tremembertoturnitbackon whenyou’relessbusyyoucouldmisssomeimportantcalls.Ifonlythephone knewwhenitwaswisetointerruptyouyouwouldn’thavetoturnitoffatall. Insteaditcouldletcallsthroughwhenyouarenottoobusy.??A bunchofbehaviorsensors传感器andacleverpieceofsoftwarecoulddojust thatbyanalyzingyourbehaviortodetermineifit’sagoodtimetointerrupt you.Ifbuiltintoaphonethesystemmaydecideyou’retoobusyandaskthe callertoleaveamessageorringbacklater.??JamesFogartyand ScottHudsonatCamegieMellonUniversityinPennsylvaniabasedtheirsystemon tinymicrophonescamerasandtouchsensorsthatrevealbodylanguageand activity.Firsttheyhadtostudydifferentbehaviorstofindoutwhichones stronglypredictwhetheryourmindisinterrupted.??Thepotential busynesssignalstheyfocusedonincludedwhethertheofficedoorswereleft openorclosedthetimeofdayifotherpeoplewerewiththepersonin questionhowclosetheyweretoeachotherandwhetherornotthecomputerwas inuse.??Thesensorsmonitoredtheseandmanyotherfactorswhile foursubjectswereatwork.Atrandomintervalsthesubjectsratedhow interruptibletheywereonascalerangingfromhighlyinterruptibleto highlynot-interruptible.Theirratingswerethencorrelatedwiththevarious behaviors.Itisashotgun随意的approach:weusedalltheindicatorswecould thinkofandthenletstatisticsfindoutwhichwereimportantsays Hudson.??Themodelshowedthatusingthekeyboardandtalkingon alandlineortosomeoneelseintheofficecorrelatedmoststronglywithhow interruptiblethesubjectsjudgedthemselvestobe.? ?Interestinglythecomputerwasactuallybetterthanpeopleatpredicting whensomeonewastoobusytobeinterrupted.Thecomputergotitright82per centofthetimehumans77percent.Fogartyspeculatesthatthismightbe becausepeopledoingtheinterruptingareinevitablybiasedtowardsdelivering theirmessagewhereascomputersdon’tcare.??Thefirst applicationforHudsonandFogarty’ssystemislikelytobeinaninstant messagingsystemfollowedbyofficephonesandcellphones.Thereisno technologicalroadblock障碍toitbeingdeployedinacoupleofyearssays Hudson.Thebehaviorsensorandsoftwaresystembuiltinaphone
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}} Earth’sInnerCore{{/B}}??Scientistshavelong struggledtounderstandwhatliesattheplanet’scenter.Directobservationof itscenterisimpossiblesoresearchersmust{{U}}?51?{{/U}}toother evidence.??In1889aGermanscientistdetectedasevere earthquakeinJapan.Geophysicistsconcludedthatshockwaves{{U}}?52 ?{{/U}}jolts晃动fromonesideofEarththroughthecentertotheother side.Thenin1936DanishgeophysicistlngeLehmannstudiedthewaves’ {{U}}?53?{{/U}}todeterminethatwithinEarth’scoreofmolten熔化了的 ironliesasolidinnercore-but{{U}}?54?{{/U}}thatcorewasmade ofeluded难倒her.OthergeophysicistsquicklydeterminedthatLehmann’sinner corewascomposedmostly{{U}}?55?{{/U}}iron.SincethenLehmann’s discoveryhas{{U}}?56?{{/U}}conventionalEarthscience.? ?Butnowscientistsarechallengingtraditionaltheorywithnewandradical {{U}}?57?{{/U}}.ForexampleEarth’scentercouldactuallycontainan innercorewithintheinnercoreclaimIshiiandcolleagueAdam Dziewonski.??Analyzinghundredsofthousandsofearthquakewave {{U}}?58?{{/U}}theymaintainthattheinnercorehasatitshearta tinyevenmoresolidsphere球体.Thisspheremaybetheoldestfossil {{U}}?59?{{/U}}fromtheformationofEarthsays Dziewonski.??DziewonskiandIshiispeculatethatshortly {{U}}?60?{{/U}}Earthformedaround4.8billionyearsagoagiant asteroid小行星smashedintotheyoungplanetandnearlymeltedit.ButEarth’s centerdidn’tquitemelt;it{{U}}?61?{{/U}}massastheplanetcooled. Thecorewithinacoremaybethekernel核心thatendured.itspresencecould changeourbasicideasaboutthe{{U}}?62?{{/U}}oftheplanet Dziewonskisays.??Dziewonski’sideaistame温和的comparedtothe {{U}}?63?{{/U}}theoriesofindependentgeophysicistJ.MarvinHerndon. Earth’sinnercoreismadenotofironheclaimsbuta{{U}}?64 ?{{/U}}ofnickelandsilicon.Herndonhasatrulyrevolutionarynotion: Withinthenickelsilicide硅化物innercoreisalsoaninnerinnercore-an8 km-wideballoftheelementuranium.Uraniumisradioactive.Herndonthinksthe uraniumreleasesheatenergyasitsatoms{{U}}?65?{{/U}}fission-split andcrashintooneanotherinachainreaction.Inotherwordswemayliveon topofagiganticnaturalnuclearpower plant.
{{*HTML*}}阅读下面这篇短文短文后有2项测试任务1第23—26题要求从所给的6个选项中为第1—4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}} Cloning克隆:FuturePerfect?{{/B}}??1?A cloneisanexactcopyofaplantoranimalproducedfromanyonecell.Since ScottishscientistsreportedthattheyhadmanagedtocloneasheepnamedDolly in1997researchintocloninghasgrownrapidly.InMay1998scientistsin Massachusettsmanagedtocreatetwoidenticalcalves牛犊usingcloning technology.Amousehasalsobeenclonedsuccessfully.Butthedebateover cloninghumansreallystartedwhenChicagophysicistRichardSeedmadea surprisingannouncement:Wewillhavemanagedtocloneahumanbeingwithinthe nexttwoyearshetoldtheworld.??2?Seed’sannouncement provokedalotofmediaattentionmostofitnegative.InEuropenineteen nationshavealreadysignedanagreementbanninghumancloningandintheUSthe Presidentannounced:Wewillbeintroducingalawtobanallhumancloningand manystatesintheUSwillhavepassedanti-cloninglawsbytheendofthe year.??3?Manyresearchersarenotsonegativeabout cloning.Theyareworriedthatlawsbanninghumancloningwillthreaten importantresearch.InMarchTheNewEnglandJournalofMedicinecalledany plantobanresearchoncloninghumansseriouslymistaken.Manyresearchersalso believethatinspiteofattemptstobanithumancloningwillhavebecome routineby2010becauseitisimpossibletostoptheprogressof science.??4?Istherereasontofearthatcloningwilllead toanightmareworld?Thepublichasbeenbombarded轰炸withnewspaper articlestelevisionshowsandfilmsaswellascartoons.Suchinformationis oftenmisleadingandmakespeoplewonderwhatonearththescientistswillbe doingnext.??5?Withinthenextfivetotenyearsscientists willprobablyhavefoundawayofcloninghumans.Itcouldbethatprettysoon wewillbeabletochoosethepersonthatwewantourchildtolooklike.But howwoulditfeeltobeacloneamonghundredstheanti-clonersask.Pretty coolanswerthepro-cloners赞成克隆的人.Paragraph3______
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}} Earth’sInnerCore{{/B}}??Scientistshavelong struggledtounderstandwhatliesattheplanet’scenter.Directobservationof itscenterisimpossiblesoresearchersmust{{U}}?51?{{/U}}toother evidence.??In1889aGermanscientistdetectedasevere earthquakeinJapan.Geophysicistsconcludedthatshockwaves{{U}}?52 ?{{/U}}jolts晃动fromonesideofEarththroughthecentertotheother side.Thenin1936DanishgeophysicistlngeLehmannstudiedthewaves’ {{U}}?53?{{/U}}todeterminethatwithinEarth’scoreofmolten熔化了的 ironliesasolidinnercore-but{{U}}?54?{{/U}}thatcorewasmade ofeluded难倒her.OthergeophysicistsquicklydeterminedthatLehmann’sinner corewascomposedmostly{{U}}?55?{{/U}}iron.SincethenLehmann’s discoveryhas{{U}}?56?{{/U}}conventionalEarthscience.? ?Butnowscientistsarechallengingtraditionaltheorywithnewandradical {{U}}?57?{{/U}}.ForexampleEarth’scentercouldactuallycontainan innercorewithintheinnercoreclaimIshiiandcolleagueAdam Dziewonski.??Analyzinghundredsofthousandsofearthquakewave {{U}}?58?{{/U}}theymaintainthattheinnercorehasatitshearta tinyevenmoresolidsphere球体.Thisspheremaybetheoldestfossil {{U}}?59?{{/U}}fromtheformationofEarthsays Dziewonski.??DziewonskiandIshiispeculatethatshortly {{U}}?60?{{/U}}Earthformedaround4.8billionyearsagoagiant asteroid小行星smashedintotheyoungplanetandnearlymeltedit.ButEarth’s centerdidn’tquitemelt;it{{U}}?61?{{/U}}massastheplanetcooled. Thecorewithinacoremaybethekernel核心thatendured.itspresencecould changeourbasicideasaboutthe{{U}}?62?{{/U}}oftheplanet Dziewonskisays.??Dziewonski’sideaistame温和的comparedtothe {{U}}?63?{{/U}}theoriesofindependentgeophysicistJ.MarvinHerndon. Earth’sinnercoreismadenotofironheclaimsbuta{{U}}?64 ?{{/U}}ofnickelandsilicon.Herndonhasatrulyrevolutionarynotion: Withinthenickelsilicide硅化物innercoreisalsoaninnerinnercore-an8 km-wideballoftheelementuranium.Uraniumisradioactive.Herndonthinksthe uraniumreleasesheatenergyasitsatoms{{U}}?65?{{/U}}fission-split andcrashintooneanotherinachainreaction.Inotherwordswemayliveon topofagiganticnaturalnuclearpower plant.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}} Earth’sInnerCore{{/B}}??Scientistshavelong struggledtounderstandwhatliesattheplanet’scenter.Directobservationof itscenterisimpossiblesoresearchersmust{{U}}?51?{{/U}}toother evidence.??In1889aGermanscientistdetectedasevere earthquakeinJapan.Geophysicistsconcludedthatshockwaves{{U}}?52 ?{{/U}}jolts晃动fromonesideofEarththroughthecentertotheother side.Thenin1936DanishgeophysicistlngeLehmannstudiedthewaves’ {{U}}?53?{{/U}}todeterminethatwithinEarth’scoreofmolten熔化了的 ironliesasolidinnercore-but{{U}}?54?{{/U}}thatcorewasmade ofeluded难倒her.OthergeophysicistsquicklydeterminedthatLehmann’sinner corewascomposedmostly{{U}}?55?{{/U}}iron.SincethenLehmann’s discoveryhas{{U}}?56?{{/U}}conventionalEarthscience.? ?Butnowscientistsarechallengingtraditionaltheorywithnewandradical {{U}}?57?{{/U}}.ForexampleEarth’scentercouldactuallycontainan innercorewithintheinnercoreclaimIshiiandcolleagueAdam Dziewonski.??Analyzinghundredsofthousandsofearthquakewave {{U}}?58?{{/U}}theymaintainthattheinnercorehasatitshearta tinyevenmoresolidsphere球体.Thisspheremaybetheoldestfossil {{U}}?59?{{/U}}fromtheformationofEarthsays Dziewonski.??DziewonskiandIshiispeculatethatshortly {{U}}?60?{{/U}}Earthformedaround4.8billionyearsagoagiant asteroid小行星smashedintotheyoungplanetandnearlymeltedit.ButEarth’s centerdidn’tquitemelt;it{{U}}?61?{{/U}}massastheplanetcooled. Thecorewithinacoremaybethekernel核心thatendured.itspresencecould changeourbasicideasaboutthe{{U}}?62?{{/U}}oftheplanet Dziewonskisays.??Dziewonski’sideaistame温和的comparedtothe {{U}}?63?{{/U}}theoriesofindependentgeophysicistJ.MarvinHerndon. Earth’sinnercoreismadenotofironheclaimsbuta{{U}}?64 ?{{/U}}ofnickelandsilicon.Herndonhasatrulyrevolutionarynotion: Withinthenickelsilicide硅化物innercoreisalsoaninnerinnercore-an8 km-wideballoftheelementuranium.Uraniumisradioactive.Herndonthinksthe uraniumreleasesheatenergyasitsatoms{{U}}?65?{{/U}}fission-split andcrashintooneanotherinachainreaction.Inotherwordswemayliveon topofagiganticnaturalnuclearpower plant.
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{{*HTML*}}下面有3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项中选择1个最佳答案{{B}}第一篇{{/B}} {{B}} MoreThanaRidetoSchool{{/B}}??TheNational EducationAssociationclaimsTheschoolbusisamirrorofthecommunity. Theyfurtheraddthatunfortunatelywhatappearsontheexteriordoesnot alwaysreflecttherealityofachosencommunity.Theyareright-sometimesit reflectsmore!JustaskLieslDenson.Ridingtheschoolbushasbeenmorethana ridetoschoolforLiesl.??BruceHardyschoolbusdriverfor AlthouseBusCompanyhasbeenLiesl’sbusdriversincekindergarten.Lastyear whenLiesl’sfamilymovedtoParkesburgknowingherbuswentbyhernew residencesherequestedtoridethesamebus.??ThisyearLiesl isaseniorandwillenjoyherlastyearridingthebus.ShesaysIt’sbeena greatridesofar!Mybusdriverissocoolandhasalwaysbeenagoodfriend andagoodlistener.Sometimeswhenyou’reachildadultsdonotthinkthatwhat youhavetosayisimportant.Mr.Hardyalwayslistenstowhatyouhavetosay andmakesyoufeelimportant.HerfriendsAshleyBatistaandAmandaWolfe agree.??BruceHardyhasbeenmakingOctorarastudentsfeel specialsince1975.Thisyearhewillcelebrate30yearsworkingforAlthouse BusCompany.LarryAlthousepresidentofthecompanyacknowledgesBruce Hardy’soutstandingrecord:YoudonotcomebyemployeeslikeBrucethesedays. Hehasnevermissedadayofworkandhasaperfectdrivingrecord.Hewas recognizedin2000bythePennsylvaniaSchoolBusAssociationfordriving 350000accidentfreemiles.Hardy’sreputationismadefurtherevidentthrough therelationshipshehasmadewiththestudentsthatridehisbus.? ?AlthousefurtheraddsAlthouseBusCompanywasestablished70yearsago andhasbeenprovidingqualitytransportationeversince.Mygrandfatherstarted thebusinesswithonebus.AlthouseBusCompanyisdelightedtohavethe opportunitytobringdistinctiveandsafeservicetoourlocalschooland communityandlooksforwardtocontinuingtoprovidequalityserviceformany moreyearstocome.??Threegenerationsofbusinessisnotall thecompanyhasenjoyed.ThankstodriverslikeBruceHardytheyhavebeen buildingrelationshipsthroughgenerations.Liesl’smotherCarolalsoenjoys fondmemoriesofridingBruceHardy’sbustotheOctoraraSchool District.AlthouseBusCompanypaysmuchattentionto
Thereisan{{U}}abundant{{/U}}supplyofcheaplaborinthiscountry.
{{*HTML*}}{{B}}第三篇{{/B}} {{B}} TheExplodingLakesofCameroon{{/B}}??Whatcomes tomindwhenyouthinkofalake?Youprobablyimagineaprettyscenewithblue waterbirdsandfish.ForthepeopleinthenorthwesternCameroonhowever theimageisverydifferent.Forthemlakesmaymeanterribledisasters.In 1984poisonousgasesexplodedoutofLakeMonounandcamedownintothenearby villageskillingthirty-sevenpeople.TwoyearslaterLakeNyoserupted.A cloudofgasesrolleddownthehillsandintothevalleysandkilled1700 people.??LakeNyosandLakeMonounarecrater火山口lakes.They wereformedwhenwatercollectedinthecratersofoldvolcanoes.Thevolcanoes underLakeNyosandLakeMonounarenotactiveanymore.Howeverpoisonousgases fromthecenteroftheearthcontinuetoflowupthroughcracksinthebottomof thelake.Thisisnormalinacraterlake.Inmostcraterlakesthesegasesare releasedoftenbecausethewaterturnsoverregularly.Thatisthewaterfrom thebottomofthelakerisesandmixeswiththewateratthetopallowingthe gasestoescapeslowly.??HoweverinLakesNyosandMonounthere isnoregularturningover.Nooneknowsthereasonforthisfactbutasa resulttheselakeshavemoregasestrappedatthebottomthanothercrater lakes.InfactscientistswhohavestudiedLakesNyosandMonounhavefound 16000timesmoregases.Whenastrongwindcoolweatherastormora landslide滑坡causesthewatertoturnoversuddenlythegasesescapeina violentexplosion.??Inthepastnooneknewwhenthegasesmight explodesotherewasnowayforthevillagerstoescapedisaster.Now scientistsfromtheUnitedStatesFranceandCameroonhavefoundawayto reducethegaspressureatthebottomofLakeNyos.Theystooda672-foot plasticpipeinthemiddleofthelakewithoneendofthepipenearthebottom andtheotherendintheair.Nearthetopofthepipetheteamputseveral holesthatcouldbeopenedorclosedbyacomputer.Nowwhenthegaspressure getstoohightheholesareopenedandsomeofthegas-filledwatershootsup throughthepipeintotheairlikeafountain.Withlesspressureadisastrous explosionismuchlesslikely.Howeverthescientistsarenotsurethatone pipewillbeenoughtopreventexplosions.Theyhopetoputinotherssoonand theyplantoinstallasimilarpipeandacomputersystematLakeMonounas well.??Toprotectpeoplenearbyuntilallofthepipesarein placethescientistshaveinstalledearlywarningsystemsatbothlakes.Ifthe gaspressurerisestoadangerouslevelcomputerswillsetoffloudsirens警报 andbrightlightstowarnthepeopleinthevillages.Thatwaytheywillhave timetoescapefromthedangerousgases.Whatdowelearnfromthelastparagraph?
{{*HTML*}}阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 {{B}} MadScientistStereotypeOutdated{{/B}}??Dopeople stillimagineaphysicistasabeardedmaninglassesorhastheimageofthe madscientistchanged?TheInstituteofPhysicssetouttofindoutwhetherthe stereotypeofaphysicsboffin科学家stillexistsbyconductingasurveyon shoppersinLondon.Thepeoplewereaskedtoidentifythephysicistfroma photographofaline-upofpossiblesuspects.98percentofthoseaskedgotit wrong.Themajorityofpeoplepickedawhitemaleofaround60wearingglasses andwithawhitebeard.??Whilethisstereotypemayhavebeenthe imageofanaveragephysicistfiftyyearsagotherealityisnowvery different.Since1960thenumberofyoungwomenenteringphysicshasdoubledand theaverageageofaphysicistisnow31.??Thestereotypeofthe absent-mindedscientisthaslastedalongtimebecausethemediaandHollywood helppromotetheimageofmeninwhitelabcoatswithglassessittingby blackboardsfullofequations等式orworkingwithfizzing嘶嘶响testtubes. Thesestereotypesarereallydamagingtosociety.Verygoodschoolchildrenare putoffstudyingsciencebecausetheydon’tseepeoplelikethemselveson televisionorinmagazinesdoingscience.Theysimplydon’trelatetothe media’simageofthemadscientist.??Thisisonereasonwhyfewer youngpeoplearechoosingtodoscienceatuniversity.Ifwewanttoencourage moreyoungpeopletostudysciencesubjectsweneedtochangethisimageofthe scientistandmakesciencecareersmoreattractive.Butwemustalsodevelop children’sinterestinscience.??Inanattempttochangethis negativeimageanincreasingnumberofsciencefestivalsarebeingorganized. Thousandsofpeoplefromsecondaryschoolsarealsoencouragedtotakepartin nationwidesciencecompetitionsofwhichthemostpopulararethenational scienceOlympiads.Winningnationalteamsthengettheopportunitytotakepart intheInternationalScienceOlympiadswhichareheldinadifferentcountry everyyear.Theseeventsareallinterestingfortheyoungpeoplewhotakepart buttheyonlyinvolveasmallproportionofstudentswhoarealreadyinterested inscience.Itseemsthatthereisalongwaytogobeforesciencebecomes attractiveassubjectslikecomputerstudiesorfashionand design.Theimageofthemadscientistisreallyencouragingtosociety.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 {{B}} Earth’sInnerCore{{/B}}??Scientistshavelong struggledtounderstandwhatliesattheplanet’scenter.Directobservationof itscenterisimpossiblesoresearchersmust{{U}}?51?{{/U}}toother evidence.??In1889aGermanscientistdetectedasevere earthquakeinJapan.Geophysicistsconcludedthatshockwaves{{U}}?52 ?{{/U}}jolts晃动fromonesideofEarththroughthecentertotheother side.Thenin1936DanishgeophysicistlngeLehmannstudiedthewaves’ {{U}}?53?{{/U}}todeterminethatwithinEarth’scoreofmolten熔化了的 ironliesasolidinnercore-but{{U}}?54?{{/U}}thatcorewasmade ofeluded难倒her.OthergeophysicistsquicklydeterminedthatLehmann’sinner corewascomposedmostly{{U}}?55?{{/U}}iron.SincethenLehmann’s discoveryhas{{U}}?56?{{/U}}conventionalEarthscience.? ?Butnowscientistsarechallengingtraditionaltheorywithnewandradical {{U}}?57?{{/U}}.ForexampleEarth’scentercouldactuallycontainan innercorewithintheinnercoreclaimIshiiandcolleagueAdam Dziewonski.??Analyzinghundredsofthousandsofearthquakewave {{U}}?58?{{/U}}theymaintainthattheinnercorehasatitshearta tinyevenmoresolidsphere球体.Thisspheremaybetheoldestfossil {{U}}?59?{{/U}}fromtheformationofEarthsays Dziewonski.??DziewonskiandIshiispeculatethatshortly {{U}}?60?{{/U}}Earthformedaround4.8billionyearsagoagiant asteroid小行星smashedintotheyoungplanetandnearlymeltedit.ButEarth’s centerdidn’tquitemelt;it{{U}}?61?{{/U}}massastheplanetcooled. Thecorewithinacoremaybethekernel核心thatendured.itspresencecould changeourbasicideasaboutthe{{U}}?62?{{/U}}oftheplanet Dziewonskisays.??Dziewonski’sideaistame温和的comparedtothe {{U}}?63?{{/U}}theoriesofindependentgeophysicistJ.MarvinHerndon. Earth’sinnercoreismadenotofironheclaimsbuta{{U}}?64 ?{{/U}}ofnickelandsilicon.Herndonhasatrulyrevolutionarynotion: Withinthenickelsilicide硅化物innercoreisalsoaninnerinnercore-an8 km-wideballoftheelementuranium.Uraniumisradioactive.Herndonthinksthe uraniumreleasesheatenergyasitsatoms{{U}}?65?{{/U}}fission-split andcrashintooneanotherinachainreaction.Inotherwordswemayliveon topofagiganticnaturalnuclearpower plant.
{{*HTML*}}阅读下面这篇短文短文后有2项测试任务1第23—26题要求从所给的6个选项中为第1—4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}} Cloning克隆:FuturePerfect?{{/B}}??1?A cloneisanexactcopyofaplantoranimalproducedfromanyonecell.Since ScottishscientistsreportedthattheyhadmanagedtocloneasheepnamedDolly in1997researchintocloninghasgrownrapidly.InMay1998scientistsin Massachusettsmanagedtocreatetwoidenticalcalves牛犊usingcloning technology.Amousehasalsobeenclonedsuccessfully.Butthedebateover cloninghumansreallystartedwhenChicagophysicistRichardSeedmadea surprisingannouncement:Wewillhavemanagedtocloneahumanbeingwithinthe nexttwoyearshetoldtheworld.??2?Seed’sannouncement provokedalotofmediaattentionmostofitnegative.InEuropenineteen nationshavealreadysignedanagreementbanninghumancloningandintheUSthe Presidentannounced:Wewillbeintroducingalawtobanallhumancloningand manystatesintheUSwillhavepassedanti-cloninglawsbytheendofthe year.??3?Manyresearchersarenotsonegativeabout cloning.Theyareworriedthatlawsbanninghumancloningwillthreaten importantresearch.InMarchTheNewEnglandJournalofMedicinecalledany plantobanresearchoncloninghumansseriouslymistaken.Manyresearchersalso believethatinspiteofattemptstobanithumancloningwillhavebecome routineby2010becauseitisimpossibletostoptheprogressof science.??4?Istherereasontofearthatcloningwilllead toanightmareworld?Thepublichasbeenbombarded轰炸withnewspaper articlestelevisionshowsandfilmsaswellascartoons.Suchinformationis oftenmisleadingandmakespeoplewonderwhatonearththescientistswillbe doingnext.??5?Withinthenextfivetotenyearsscientists willprobablyhavefoundawayofcloninghumans.Itcouldbethatprettysoon wewillbeabletochoosethepersonthatwewantourchildtolooklike.But howwoulditfeeltobeacloneamonghundredstheanti-clonersask.Pretty coolanswerthepro-cloners赞成克隆的人.RichardSeedclaimedtobeabletoclone______. ??A?thenucleusofacell ??B?clonedhumanbeings ??C?ahumanbeingintwoyears ??D?alawtobanhumancloning ??E?areportonhumancloning ??F?heavymediacoverage
{{*HTML*}}阅读下面这篇短文短文后有2项测试任务1第23—26题要求从所给的6个选项中为第1—4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}} Cloning克隆:FuturePerfect?{{/B}}??1?A cloneisanexactcopyofaplantoranimalproducedfromanyonecell.Since ScottishscientistsreportedthattheyhadmanagedtocloneasheepnamedDolly in1997researchintocloninghasgrownrapidly.InMay1998scientistsin Massachusettsmanagedtocreatetwoidenticalcalves牛犊usingcloning technology.Amousehasalsobeenclonedsuccessfully.Butthedebateover cloninghumansreallystartedwhenChicagophysicistRichardSeedmadea surprisingannouncement:Wewillhavemanagedtocloneahumanbeingwithinthe nexttwoyearshetoldtheworld.??2?Seed’sannouncement provokedalotofmediaattentionmostofitnegative.InEuropenineteen nationshavealreadysignedanagreementbanninghumancloningandintheUSthe Presidentannounced:Wewillbeintroducingalawtobanallhumancloningand manystatesintheUSwillhavepassedanti-cloninglawsbytheendofthe year.??3?Manyresearchersarenotsonegativeabout cloning.Theyareworriedthatlawsbanninghumancloningwillthreaten importantresearch.InMarchTheNewEnglandJournalofMedicinecalledany plantobanresearchoncloninghumansseriouslymistaken.Manyresearchersalso believethatinspiteofattemptstobanithumancloningwillhavebecome routineby2010becauseitisimpossibletostoptheprogressof science.??4?Istherereasontofearthatcloningwilllead toanightmareworld?Thepublichasbeenbombarded轰炸withnewspaper articlestelevisionshowsandfilmsaswellascartoons.Suchinformationis oftenmisleadingandmakespeoplewonderwhatonearththescientistswillbe doingnext.??5?Withinthenextfivetotenyearsscientists willprobablyhavefoundawayofcloninghumans.Itcouldbethatprettysoon wewillbeabletochoosethepersonthatwewantourchildtolooklike.But howwoulditfeeltobeacloneamonghundredstheanti-clonersask.Pretty coolanswerthepro-cloners赞成克隆的人.Paragraph1______ ??A?Strongreactions ??B?Anxietyaboutthefutureofcloning ??C?Therighttochoose ??D?Whatiscloning? ??E?Argumentsinfavorofcloning ??F?Acommonsight
{{*HTML*}}{{B}}第二篇{{/B}} {{B}} APhoneThatKnowsYou’reBusy{{/B}}??It’sa modernproblem:You’retoobusytobedisturbedbyincessant连续不断的phonecalls soyouturnyourcellphoneoff.Butifyoudon’tremembertoturnitbackon whenyou’relessbusyyoucouldmisssomeimportantcalls.Ifonlythephone knewwhenitwaswisetointerruptyouyouwouldn’thavetoturnitoffatall. Insteaditcouldletcallsthroughwhenyouarenottoobusy.??A bunchofbehaviorsensors传感器andacleverpieceofsoftwarecoulddojust thatbyanalyzingyourbehaviortodetermineifit’sagoodtimetointerrupt you.Ifbuiltintoaphonethesystemmaydecideyou’retoobusyandaskthe callertoleaveamessageorringbacklater.??JamesFogartyand ScottHudsonatCamegieMellonUniversityinPennsylvaniabasedtheirsystemon tinymicrophonescamerasandtouchsensorsthatrevealbodylanguageand activity.Firsttheyhadtostudydifferentbehaviorstofindoutwhichones stronglypredictwhetheryourmindisinterrupted.??Thepotential busynesssignalstheyfocusedonincludedwhethertheofficedoorswereleft openorclosedthetimeofdayifotherpeoplewerewiththepersonin questionhowclosetheyweretoeachotherandwhetherornotthecomputerwas inuse.??Thesensorsmonitoredtheseandmanyotherfactorswhile foursubjectswereatwork.Atrandomintervalsthesubjectsratedhow interruptibletheywereonascalerangingfromhighlyinterruptibleto highlynot-interruptible.Theirratingswerethencorrelatedwiththevarious behaviors.Itisashotgun随意的approach:weusedalltheindicatorswecould thinkofandthenletstatisticsfindoutwhichwereimportantsays Hudson.??Themodelshowedthatusingthekeyboardandtalkingon alandlineortosomeoneelseintheofficecorrelatedmoststronglywithhow interruptiblethesubjectsjudgedthemselvestobe.? ?Interestinglythecomputerwasactuallybetterthanpeopleatpredicting whensomeonewastoobusytobeinterrupted.Thecomputergotitright82per centofthetimehumans77percent.Fogartyspeculatesthatthismightbe becausepeopledoingtheinterruptingareinevitablybiasedtowardsdelivering theirmessagewhereascomputersdon’tcare.??Thefirst applicationforHudsonandFogarty’ssystemislikelytobeinaninstant messagingsystemfollowedbyofficephonesandcellphones.Thereisno technologicalroadblock障碍toitbeingdeployedinacoupleofyearssays Hudson.Duringtheexperimentthesubjectswereasked
{{*HTML*}}下面有3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项中选择1个最佳答案{{B}}第一篇{{/B}} {{B}} MoreThanaRidetoSchool{{/B}}??TheNational EducationAssociationclaimsTheschoolbusisamirrorofthecommunity. Theyfurtheraddthatunfortunatelywhatappearsontheexteriordoesnot alwaysreflecttherealityofachosencommunity.Theyareright-sometimesit reflectsmore!JustaskLieslDenson.Ridingtheschoolbushasbeenmorethana ridetoschoolforLiesl.??BruceHardyschoolbusdriverfor AlthouseBusCompanyhasbeenLiesl’sbusdriversincekindergarten.Lastyear whenLiesl’sfamilymovedtoParkesburgknowingherbuswentbyhernew residencesherequestedtoridethesamebus.??ThisyearLiesl isaseniorandwillenjoyherlastyearridingthebus.ShesaysIt’sbeena greatridesofar!Mybusdriverissocoolandhasalwaysbeenagoodfriend andagoodlistener.Sometimeswhenyou’reachildadultsdonotthinkthatwhat youhavetosayisimportant.Mr.Hardyalwayslistenstowhatyouhavetosay andmakesyoufeelimportant.HerfriendsAshleyBatistaandAmandaWolfe agree.??BruceHardyhasbeenmakingOctorarastudentsfeel specialsince1975.Thisyearhewillcelebrate30yearsworkingforAlthouse BusCompany.LarryAlthousepresidentofthecompanyacknowledgesBruce Hardy’soutstandingrecord:YoudonotcomebyemployeeslikeBrucethesedays. Hehasnevermissedadayofworkandhasaperfectdrivingrecord.Hewas recognizedin2000bythePennsylvaniaSchoolBusAssociationfordriving 350000accidentfreemiles.Hardy’sreputationismadefurtherevidentthrough therelationshipshehasmadewiththestudentsthatridehisbus.? ?AlthousefurtheraddsAlthouseBusCompanywasestablished70yearsago andhasbeenprovidingqualitytransportationeversince.Mygrandfatherstarted thebusinesswithonebus.AlthouseBusCompanyisdelightedtohavethe opportunitytobringdistinctiveandsafeservicetoourlocalschooland communityandlooksforwardtocontinuingtoprovidequalityserviceformany moreyearstocome.??Threegenerationsofbusinessisnotall thecompanyhasenjoyed.ThankstodriverslikeBruceHardytheyhavebeen buildingrelationshipsthroughgenerations.Liesl’smotherCarolalsoenjoys fondmemoriesofridingBruceHardy’sbustotheOctoraraSchool District.Thewordmirrorinthefirstlinecouldbebestreplacedby
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