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{{*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 ChinatohelpEuropeDevelopGPS Rival??Chinaistocontributetoanewglobal satellitenavigationsystembeingdevelopedbyEuropeannations.TheGalileo satellitesystem{{U}}?51?{{/U}}amoreaccuratecivilianalternative totheGlobalPositioningSystemGPSoperatedbytheUSmilitary.Chinawill provided230mEurosUSD259min{{U}}?52?{{/U}}andwillcooperate withtechnicalmanufacturingandmarketdevelopment.ChinawillhelpGalileo to{{U}}?53?{{/U}}themajorworldinfrastructureforthegrowing marketforlocationservicessaidLoyoladePalacioEUtransport commissioner.??Anewcenterthatwillcoordinateco-operationwas alsoannounced{{U}}?54?{{/U}}theEuropeanCommissiontheEuropean SpaceAgencyESAandtheChineseMinistryofScienceandTechnologynotlong {{U}}?55?{{/U}}.TheChina-EuropeGlobalNavigationSatelliteSystem TechnicalTrainingandCooperationCenterwillbe{{U}}?56?{{/U}}at BeijingUniversity.Chinahasasubstantialsatellitelaunchindustryandcould potentiallyhelptheGalileosatellites.??TheUShasclaimedthat Galileocouldinterfere{{U}}?57?{{/U}}theUSabilitytodowngradethe GPSserviceduringmilitaryconflicts.Europeanofficialssaythisisunfounded andcounterthatUSopposition{{U}}?58?{{/U}}thecommercialchallenge GalileowouldpresenttoGPS.Galileowillbeprecisetowithinameterwhile civilianGPSserviceisaccuratetoaround10meters.??The Galileosatelliteconstellationwill{{U}}?59?{{/U}}27operationaland threereservesatellitesorbitingtheEarthatanaltitudeof23600km.The satelliteswillbestrungalongthreemedium-Earthorbitsat56degrees inclinationtotheequatorandwillprovideglobalcoverage.Thesystemshould beoperationalby2008andtheentireprojectisexpectedto{{U}}?60 ?{{/U}}around3.2billionEurosUSD3.6billion.??The EuropeanCommissionhassaidGalileowillprimarilybeusedfortransportation technologyscientificresearchlandmanagementanddisaster monitoring.??Galileowillprovidetwosignals:astandard civilianoneandanencryptedwide-bandsignal{{U}}?61?{{/U}}the PublicRegulatedServicePRS.Thissecondsignalisdesignedtowithstand localizedjammingandwillbeusedbypoliceandmilitaryservicesinEurope. EuropeanCommission{{U}}?62?{{/U}}havesaidChinawillnotbegiven accesstothePRS.??ThefirstGalileosatelliteisscheduledto launchlatein2004Clocksonboardthe{{U}}?63?{{/U}}Willbe synchronizedthrough20groundsensorsstationstwocommandcentersand15 uplinkstations.??Receiversonthegroundwillusetimesignals fromthesatellitestopreciselycalculatetheir{{U}}?64?{{/U}}.A searchandrescuefunctionwillalso{{U}}?65?{{/U}}distresssignals berelayedthroughtheconstellationof satellites.
{{*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.Whenyoulogonto登录到]websiteasmall pop-up弹出式菜单invitesyoutobookabouquet花束forher.{{U}}?46 ?{{/U}}??TheAmericanversionofMother’sDaywasthoughtup asearlyas1905byAnnaJarvisasawayofrecognizingtherealvalueof motherhood.ThepopularityofMother’sDayaroundtheworldsuggeststhatJarvis gotallshewanted.Infactshegotmore--enoughtomakeher horrified.??{{U}}?47?{{/U}}Theybuyamongother things132millioncards.Mother’sDayistheNo.1holidayforflower purchases.Thentherearethevariouscommoditiesrangingfromjewelryand clothestocosmeticsandwashingpowderthattakeadvantageofthepromotion opportunities.BecauseofthisJarvisspentthelast40yearsofherlife tryingtostopMother’sDay.Oneprotestagainstthecommercialization商品化 Mother’sDayevengotherarrestedfordisturbingthepeace interestingly.??{{U}}?48?{{/U}}AsRalphFevrea reporterattheUKnewspaperTheGuardianobservestraditionallymotherhood issomethingthatwedobecausewethinkit’sright.Butinthelogicof commercialismpeopleneedsomethinginexchangefortheirtimeandenergy.A careerservesthispurposebetter.??Inadditionwomenarebeing encouragedtopursueanycareertheydesire.Sotheyworkhardandplayhard. {{U}}?49?{{/U}}??{{U}}?50?{{/U}}Accordingto TheGuardiantherearetwiceasmanychild-freeyoungwomenastherewerea generationago.Ortheyputofftheresponsibilityofparentinguntillaterin theirlives.??SoFevrewritesthatthemeaningofcelebrating Mother’sDayneedstobeupdated:Itistopersuadepeoplethatparentingisa goodideaandtohonorpeoplefortheirattempttobegoodpeople.? ?A.Commercialwarmthandgratitudearetheatmospherebeingspreadaround forthisspecialSundayinMay.??B.Butwhat’smore commercialismchangesyoungpeople’sattitudetowardsmotherhood.? ?C.Obviouslythebestgirlwillbeaphonecalloravisit.? ?D.AccordingtoaresearchbytheUScardcompanyHallmark96percentof Americanconsumerscelebratetheholiday.??E.Asaresult motherhoodhassufferedahugedropinstatussincethe1950s.? ?F.Becomingamotherhoweverinevitablyhandicapscareer anticipation.
{{*HTML*}}阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 ??????? ??????????? ???{{B}}MicrochipResearchCenterCreated{{/B}}??A researchcenterhasbeensetupinthisFarEasterncountrytodevelopadvanced micro-chipproductiontechnology.ThecenterwhichwillstartoutwithaboutUS ＄14millionwillhelpthecountrydevelopitschipindustrywithoutalways dependingonimportedtechnology.??Thecenterwillmakeuseof itsresearchskillsandfacilitiestodevelopnewtechnologyfordomesticchip plants.Theadventofthecenterwillpossiblyfreethecountryfromthe situationthatitisalwaysbuyingalmost-outdatedtechnologiesfromother countriessaidthecountry’sflagshipchipmaker.Currentlychipplantsinthis countryareinapassivesituationbecausemanyforeigngovernmentsdon’tallow themtoimportthemostadvancedtechnologiesfearingtheywillbeusedfor militarypurposes.Moreoverthehighlicensingfeestheyhavetopayto technologyprovidersarealsoanimportantreasonfortheirdecisionof self-reliance.??Asmainstreamchipproductiontechnologyshifts fromonegenerationtothenexteverythreetofiveyearsplantswithnew technologycanmakemorepowerfulchipsatlowercostswhileplantswith outdatedequipmentwhichoftencostbillionsofdollarstobuildwillbe marginalizedbythemaker.??Morethan10chipplantsarebeing builteachcostingmillionsofUSdollars.Themajorityofthatmoneygoesto overseasequipmentvendorsandtechnologyowners--mainlyfromJapanand Singapore.??Shouldthenewcenterplayamajorroleinimproving thesituationintheindustrythecountryadmitstheUS＄14millioninvestment isstillrathersmall.?Thiscountryisdevelopingcomprehensive technologies.Mostoftheinvestmentwillbespentonsettingallianceswith technologyandintellectualpropertyowners.Manywesterncountriesbantheexportingofthemostadvancedchip-makingtechnologiestothatcountrytopreventthemfrombeingusedformilitarypurposes.
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{{*HTML*}}{{B}}第三篇{{/B}} EgyptFelledbyFamine? ?EvenancientEgyptsmightypyramidbuilderswerepowerlessinthefaceof thefaminethathelpedbringdowntheircivilianaround2180BC.Nowevidence gleaned搜集frommuddepositedbytheRiverNilesuggeststhatashiftin climatethousandsofkilometerstothesouthwasultimatelytoblem--andthe sameorworsecouldhappentoday.??TheancientEgyptiansdepended ontheNilesannualfloodstoirrigatetheircrops.Butanychangeinclimate thatpushedtheAfricanmonsoons季风southwardsoutofEthiopiawouldhave diminishedthesefloods.??Dwindling逐渐变少使变少rainsinthe Ethiopianhighlandswouldhavemeantfewerplantstoestablishthesoil.When raindidfallitwouldhavewashedlargeamountsofsoilintotheBlueNileand intoEgyptalongwithsediment沉积沉积物fromtheWhiteNile.??The BlueNilemudhasadifferentisotopesignature签名特征fromthatoftheWhite Nile.Sobyanalyzingisotope同位素核素differencesinmuddepositedintheNile DeltaMichaelKromofLeedsUniversityworkedoutwhatproportionofsediment camefromeachbranchoftheriver.??Kromreasonsthatduring periodsofdroughttheamountoftheBlueNilemudintheriverwouldbe relativelyhigh.Hefoundthatoneoftheseperiodsfrom4500to4200years agoimmediatelypredatesthefalloftheEgyptsOldKingdom.? ?TheweakenedwaterswouldhavebeencatastrophicfortheEgyptians. Changesthataffectfoodsupplydonthavetobeverylargetohavearipple effectinsocietiessaysBillRyanoftheLamontDohertyEarth Observatory天文台inNewYork.??Similareventstodaycouldbeeven moredevastatingsaysteammemberDanielStanleya geoarchaeologist地质考古学家fromtheSmithsonianInstitutioninWashingtonD.C. Anythinghumansdotoshifttheclimatebeltswouldhaveanevenworseeffect alongtheNilesystembecausethepopulationshaveincreaseddramatically. AccordingtoKromEgyptsOldKingdomfell
{{*HTML*}}阅读下面这篇短文短文后有2项测试任务1第23～26题要求．从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ??????????? ????{{B}}HowWeFormFirstImpression{{/B}}? ?1?Weallhavefirstimpressionofsomeonewejustmet.Butwhy?Why doweformanopinionaboutsomeonewithoutreallyknowinganythingabouthimor her--asideperhapsfromafewremarksorreadilyobservabletraits.? ?2?Theanswerisrelatedtohowyourbrainallowsyoutobeawareof theworld.Yourbrainissosensitiveinpickingupfacialtraitsevenvery minordifferenceinhowaperson’seyesearsnoseormouthareplacedin relationtoeachothermakesyouseehimorherasdifferent.Infactyour braincontinuouslyprocessesincomingsensoryinformation--thesightsand soundsofyourworld.Theseincomingsignalsarecomparedagainstahostof memoriesstoredinthebrainareascalledthecortexsystemtodeterminewhat thesenewsignalsmean.??3?Ifyouseesomeoneyouknow andlikeatschoolyourbrainsaysfamiliarandsafe.Ifyouseesomeonenew itsaysnew--potentiallythreatening.Thenyourbrainstartstomatch featuresofthisstrangerwithotherknownmemories.Theheightweight dressethnicitygesturesandtoneofvoiceareallmatchedup.Themore unfamiliarthecharacteristicsthemoreyourbrainmaysayThisisnew.I don’tlikethisperson.OrelseI’mintrigued.Oryourbrainmayperceivea newfacebutfamiliarclothesethnicitygestures--likeyourotherfriends; soyourbrainsays:Ilikethisperson.Butthesepreliminaryimpressions canbedeadwrong.??4?Whenwestereotypepeopleweusea lessmatureformofthinkingnotunliketheimmaturethinkingofaveryyoung childthatmakessimplisticandcategoricalimpressionsofothers.Ratherthan learnaboutthedepthandbreadthofpeople--theirhistoryinterestvalues strengthsandtruecharacter--wecategorizethemasjocksgeeksor freaks.??5?Howeverifweresistinitialstereotypical impressionswehaveachancetobeawareofwhatapersonistrulylike.Ifwe spendtimewithapersonhearabouthisorherlifehopesdreamsandbecome awareoftheperson’scharacterweuseadifferentmorematurestyleof thinking--andthemostcomplexareasofourcortexwhichallowustobe humane.Paragraph4______
{{*HTML*}}{{B}}第二篇{{/B}} ListeningDeviceProvidesLandslide山崩地滑塌方Early Warning??Adevicethatprovidesearlywarningofa landslidebymonitoringvibrations振动insoilisbeingtestedbyUK researchers.Thedevicecouldsavethousandsofliveseachyearbywarningwhen anareashouldbeevacuated疏散撤走thescientistssay.Suchnatural disastersarecommonincountriesthatexperiencesuddenheavy rainfall降雨降雨量andcanalsobetriggeredbyearthquakesandevenwater erosion腐蚀侵蚀.??Landslidesstartwhenafewparticlesofsoilor rockwithinaslopestarttomovebuttheearlystagescanbehardtospot. Followingthisinitialmovementslopescanbecomeunstableinamatterof hoursorminutessaysNellDixonatSouthboroughUniversityUK.Hesaysa warningsystemthatmonitorsthismovementmightbeenoughtoevacuateablock offiatsorcleararoadandsavelives.??Themostcommonway tomonitoraslopeforsignsofanimminent即将发生的landslideistowatchfor changesinitsshape.Surveyorscandothisbymeasuringasidedirectlyor sensors传感器sunkintoboreholes钻孔井眼orfixedabovegroundcanbeusedto monitortheshapeofaslope.Slopescanhoweverchangeshapewithout triggeringalandslidesoeithermethodispronetocausingfalsealarms.Now Dixon’steamhasdevelopedadevicethatlistensforthevibrations’causedwhen particlesbeginmovingwithinaslope.??Thedevicetakestheform ofasteelpipedroppedintoaboreholeinaslope.Theboreholeisfilledin withgravel砾沙砾砾石aroundthepipetohelptransmithigh-frequencyvibrations generatedbyparticleswithintheslope.Thesevibrationspassupthetubeand arepickedupbyasensoronthesurface.Softwareanalysesthevibrationsignal todeterminewhetheralandslidemaybeimminent.??Thedeviceis currentlybeingtestedina6-metre-tallartificialclayembankment堤岸in NewcastleUK.Earlyresultssuggestitshouldprovidefewerfalsepositives thanexistingsystems.Onceithasbeencarefullyandthoroughlytestedthe devicecouldbeusedtocreateacompleteearly-warningsystemfordangerous slopes.??Locationswithasignificantriskoflandslidescould definitelybenefitfromamachinelikethissaysAdamPoulteranexpertat theBritishRedCross.Aslongasitdoesn’tcosttoomuchButPoulteradds thatanearly-warningsystemmaynotheenoughonitsown.Youneedtohavethe humancommunicationhesays.Makingsystemsthatgetwarningstothosewho needthemcanbedifficult.WhatdoesSuchnaturaldisastersinthefirstparagraphreferto?
{{*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.Whenyoulogonto登录到]websiteasmall pop-up弹出式菜单invitesyoutobookabouquet花束forher.{{U}}?46 ?{{/U}}??TheAmericanversionofMother’sDaywasthoughtup asearlyas1905byAnnaJarvisasawayofrecognizingtherealvalueof motherhood.ThepopularityofMother’sDayaroundtheworldsuggeststhatJarvis gotallshewanted.Infactshegotmore--enoughtomakeher horrified.??{{U}}?47?{{/U}}Theybuyamongother things132millioncards.Mother’sDayistheNo.1holidayforflower purchases.Thentherearethevariouscommoditiesrangingfromjewelryand clothestocosmeticsandwashingpowderthattakeadvantageofthepromotion opportunities.BecauseofthisJarvisspentthelast40yearsofherlife tryingtostopMother’sDay.Oneprotestagainstthecommercialization商品化 Mother’sDayevengotherarrestedfordisturbingthepeace interestingly.??{{U}}?48?{{/U}}AsRalphFevrea reporterattheUKnewspaperTheGuardianobservestraditionallymotherhood issomethingthatwedobecausewethinkit’sright.Butinthelogicof commercialismpeopleneedsomethinginexchangefortheirtimeandenergy.A careerservesthispurposebetter.??Inadditionwomenarebeing encouragedtopursueanycareertheydesire.Sotheyworkhardandplayhard. {{U}}?49?{{/U}}??{{U}}?50?{{/U}}Accordingto TheGuardiantherearetwiceasmanychild-freeyoungwomenastherewerea generationago.Ortheyputofftheresponsibilityofparentinguntillaterin theirlives.??SoFevrewritesthatthemeaningofcelebrating Mother’sDayneedstobeupdated:Itistopersuadepeoplethatparentingisa goodideaandtohonorpeoplefortheirattempttobegoodpeople.? ?A.Commercialwarmthandgratitudearetheatmospherebeingspreadaround forthisspecialSundayinMay.??B.Butwhat’smore commercialismchangesyoungpeople’sattitudetowardsmotherhood.? ?C.Obviouslythebestgirlwillbeaphonecalloravisit.? ?D.AccordingtoaresearchbytheUScardcompanyHallmark96percentof Americanconsumerscelebratetheholiday.??E.Asaresult motherhoodhassufferedahugedropinstatussincethe1950s.? ?F.Becomingamotherhoweverinevitablyhandicapscareer anticipation.
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{{*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 ChinatohelpEuropeDevelopGPS Rival??Chinaistocontributetoanewglobal satellitenavigationsystembeingdevelopedbyEuropeannations.TheGalileo satellitesystem{{U}}?51?{{/U}}amoreaccuratecivilianalternative totheGlobalPositioningSystemGPSoperatedbytheUSmilitary.Chinawill provided230mEurosUSD259min{{U}}?52?{{/U}}andwillcooperate withtechnicalmanufacturingandmarketdevelopment.ChinawillhelpGalileo to{{U}}?53?{{/U}}themajorworldinfrastructureforthegrowing marketforlocationservicessaidLoyoladePalacioEUtransport commissioner.??Anewcenterthatwillcoordinateco-operationwas alsoannounced{{U}}?54?{{/U}}theEuropeanCommissiontheEuropean SpaceAgencyESAandtheChineseMinistryofScienceandTechnologynotlong {{U}}?55?{{/U}}.TheChina-EuropeGlobalNavigationSatelliteSystem TechnicalTrainingandCooperationCenterwillbe{{U}}?56?{{/U}}at BeijingUniversity.Chinahasasubstantialsatellitelaunchindustryandcould potentiallyhelptheGalileosatellites.??TheUShasclaimedthat Galileocouldinterfere{{U}}?57?{{/U}}theUSabilitytodowngradethe GPSserviceduringmilitaryconflicts.Europeanofficialssaythisisunfounded andcounterthatUSopposition{{U}}?58?{{/U}}thecommercialchallenge GalileowouldpresenttoGPS.Galileowillbeprecisetowithinameterwhile civilianGPSserviceisaccuratetoaround10meters.??The Galileosatelliteconstellationwill{{U}}?59?{{/U}}27operationaland threereservesatellitesorbitingtheEarthatanaltitudeof23600km.The satelliteswillbestrungalongthreemedium-Earthorbitsat56degrees inclinationtotheequatorandwillprovideglobalcoverage.Thesystemshould beoperationalby2008andtheentireprojectisexpectedto{{U}}?60 ?{{/U}}around3.2billionEurosUSD3.6billion.??The EuropeanCommissionhassaidGalileowillprimarilybeusedfortransportation technologyscientificresearchlandmanagementanddisaster monitoring.??Galileowillprovidetwosignals:astandard civilianoneandanencryptedwide-bandsignal{{U}}?61?{{/U}}the PublicRegulatedServicePRS.Thissecondsignalisdesignedtowithstand localizedjammingandwillbeusedbypoliceandmilitaryservicesinEurope. EuropeanCommission{{U}}?62?{{/U}}havesaidChinawillnotbegiven accesstothePRS.??ThefirstGalileosatelliteisscheduledto launchlatein2004Clocksonboardthe{{U}}?63?{{/U}}Willbe synchronizedthrough20groundsensorsstationstwocommandcentersand15 uplinkstations.??Receiversonthegroundwillusetimesignals fromthesatellitestopreciselycalculatetheir{{U}}?64?{{/U}}.A searchandrescuefunctionwillalso{{U}}?65?{{/U}}distresssignals berelayedthroughtheconstellationof satellites.
{{*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 ChinatohelpEuropeDevelopGPS Rival??Chinaistocontributetoanewglobal satellitenavigationsystembeingdevelopedbyEuropeannations.TheGalileo satellitesystem{{U}}?51?{{/U}}amoreaccuratecivilianalternative totheGlobalPositioningSystemGPSoperatedbytheUSmilitary.Chinawill provided230mEurosUSD259min{{U}}?52?{{/U}}andwillcooperate withtechnicalmanufacturingandmarketdevelopment.ChinawillhelpGalileo to{{U}}?53?{{/U}}themajorworldinfrastructureforthegrowing marketforlocationservicessaidLoyoladePalacioEUtransport commissioner.??Anewcenterthatwillcoordinateco-operationwas alsoannounced{{U}}?54?{{/U}}theEuropeanCommissiontheEuropean SpaceAgencyESAandtheChineseMinistryofScienceandTechnologynotlong {{U}}?55?{{/U}}.TheChina-EuropeGlobalNavigationSatelliteSystem TechnicalTrainingandCooperationCenterwillbe{{U}}?56?{{/U}}at BeijingUniversity.Chinahasasubstantialsatellitelaunchindustryandcould potentiallyhelptheGalileosatellites.??TheUShasclaimedthat Galileocouldinterfere{{U}}?57?{{/U}}theUSabilitytodowngradethe GPSserviceduringmilitaryconflicts.Europeanofficialssaythisisunfounded andcounterthatUSopposition{{U}}?58?{{/U}}thecommercialchallenge GalileowouldpresenttoGPS.Galileowillbeprecisetowithinameterwhile civilianGPSserviceisaccuratetoaround10meters.??The Galileosatelliteconstellationwill{{U}}?59?{{/U}}27operationaland threereservesatellitesorbitingtheEarthatanaltitudeof23600km.The satelliteswillbestrungalongthreemedium-Earthorbitsat56degrees inclinationtotheequatorandwillprovideglobalcoverage.Thesystemshould beoperationalby2008andtheentireprojectisexpectedto{{U}}?60 ?{{/U}}around3.2billionEurosUSD3.6billion.??The EuropeanCommissionhassaidGalileowillprimarilybeusedfortransportation technologyscientificresearchlandmanagementanddisaster monitoring.??Galileowillprovidetwosignals:astandard civilianoneandanencryptedwide-bandsignal{{U}}?61?{{/U}}the PublicRegulatedServicePRS.Thissecondsignalisdesignedtowithstand localizedjammingandwillbeusedbypoliceandmilitaryservicesinEurope. EuropeanCommission{{U}}?62?{{/U}}havesaidChinawillnotbegiven accesstothePRS.??ThefirstGalileosatelliteisscheduledto launchlatein2004Clocksonboardthe{{U}}?63?{{/U}}Willbe synchronizedthrough20groundsensorsstationstwocommandcentersand15 uplinkstations.??Receiversonthegroundwillusetimesignals fromthesatellitestopreciselycalculatetheir{{U}}?64?{{/U}}.A searchandrescuefunctionwillalso{{U}}?65?{{/U}}distresssignals berelayedthroughtheconstellationof satellites.
{{*HTML*}}阅读下面这篇短文短文后有2项测试任务1第23～26题要求．从所给的6个选项中为第2～5段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ??????????? ????{{B}}HowWeFormFirstImpression{{/B}}? ?1?Weallhavefirstimpressionofsomeonewejustmet.Butwhy?Why doweformanopinionaboutsomeonewithoutreallyknowinganythingabouthimor her--asideperhapsfromafewremarksorreadilyobservabletraits.? ?2?Theanswerisrelatedtohowyourbrainallowsyoutobeawareof theworld.Yourbrainissosensitiveinpickingupfacialtraitsevenvery minordifferenceinhowaperson’seyesearsnoseormouthareplacedin relationtoeachothermakesyouseehimorherasdifferent.Infactyour braincontinuouslyprocessesincomingsensoryinformation--thesightsand soundsofyourworld.Theseincomingsignalsarecomparedagainstahostof memoriesstoredinthebrainareascalledthecortexsystemtodeterminewhat thesenewsignalsmean.??3?Ifyouseesomeoneyouknow andlikeatschoolyourbrainsaysfamiliarandsafe.Ifyouseesomeonenew itsaysnew--potentiallythreatening.Thenyourbrainstartstomatch featuresofthisstrangerwithotherknownmemories.Theheightweight dressethnicitygesturesandtoneofvoiceareallmatchedup.Themore unfamiliarthecharacteristicsthemoreyourbrainmaysayThisisnew.I don’tlikethisperson.OrelseI’mintrigued.Oryourbrainmayperceivea newfacebutfamiliarclothesethnicitygestures--likeyourotherfriends; soyourbrainsays:Ilikethisperson.Butthesepreliminaryimpressions canbedeadwrong.??4?Whenwestereotypepeopleweusea lessmatureformofthinkingnotunliketheimmaturethinkingofaveryyoung childthatmakessimplisticandcategoricalimpressionsofothers.Ratherthan learnaboutthedepthandbreadthofpeople--theirhistoryinterestvalues strengthsandtruecharacter--wecategorizethemasjocksgeeksor freaks.??5?Howeverifweresistinitialstereotypical impressionswehaveachancetobeawareofwhatapersonistrulylike.Ifwe spendtimewithapersonhearabouthisorherlifehopesdreamsandbecome awareoftheperson’scharacterweuseadifferentmorematurestyleof thinking--andthemostcomplexareasofourcortexwhichallowustobe humane.Paragraph2______ A?WaysofDeparturefromImmatureandSimplisticImpressions B?CommentonFirstImpression C?IllustrationofFirstImpression D?ComparingIncomingSensoryInformationAgainstMemories E?ThreateningAspectofFirstImpressions F?DifferencesAmongJocksGeeksandFreaks
{{*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 ChinatohelpEuropeDevelopGPS Rival??Chinaistocontributetoanewglobal satellitenavigationsystembeingdevelopedbyEuropeannations.TheGalileo satellitesystem{{U}}?51?{{/U}}amoreaccuratecivilianalternative totheGlobalPositioningSystemGPSoperatedbytheUSmilitary.Chinawill provided230mEurosUSD259min{{U}}?52?{{/U}}andwillcooperate withtechnicalmanufacturingandmarketdevelopment.ChinawillhelpGalileo to{{U}}?53?{{/U}}themajorworldinfrastructureforthegrowing marketforlocationservicessaidLoyoladePalacioEUtransport commissioner.??Anewcenterthatwillcoordinateco-operationwas alsoannounced{{U}}?54?{{/U}}theEuropeanCommissiontheEuropean SpaceAgencyESAandtheChineseMinistryofScienceandTechnologynotlong {{U}}?55?{{/U}}.TheChina-EuropeGlobalNavigationSatelliteSystem TechnicalTrainingandCooperationCenterwillbe{{U}}?56?{{/U}}at BeijingUniversity.Chinahasasubstantialsatellitelaunchindustryandcould potentiallyhelptheGalileosatellites.??TheUShasclaimedthat Galileocouldinterfere{{U}}?57?{{/U}}theUSabilitytodowngradethe GPSserviceduringmilitaryconflicts.Europeanofficialssaythisisunfounded andcounterthatUSopposition{{U}}?58?{{/U}}thecommercialchallenge GalileowouldpresenttoGPS.Galileowillbeprecisetowithinameterwhile civilianGPSserviceisaccuratetoaround10meters.??The Galileosatelliteconstellationwill{{U}}?59?{{/U}}27operationaland threereservesatellitesorbitingtheEarthatanaltitudeof23600km.The satelliteswillbestrungalongthreemedium-Earthorbitsat56degrees inclinationtotheequatorandwillprovideglobalcoverage.Thesystemshould beoperationalby2008andtheentireprojectisexpectedto{{U}}?60 ?{{/U}}around3.2billionEurosUSD3.6billion.??The EuropeanCommissionhassaidGalileowillprimarilybeusedfortransportation technologyscientificresearchlandmanagementanddisaster monitoring.??Galileowillprovidetwosignals:astandard civilianoneandanencryptedwide-bandsignal{{U}}?61?{{/U}}the PublicRegulatedServicePRS.Thissecondsignalisdesignedtowithstand localizedjammingandwillbeusedbypoliceandmilitaryservicesinEurope. EuropeanCommission{{U}}?62?{{/U}}havesaidChinawillnotbegiven accesstothePRS.??ThefirstGalileosatelliteisscheduledto launchlatein2004Clocksonboardthe{{U}}?63?{{/U}}Willbe synchronizedthrough20groundsensorsstationstwocommandcentersand15 uplinkstations.??Receiversonthegroundwillusetimesignals fromthesatellitestopreciselycalculatetheir{{U}}?64?{{/U}}.A searchandrescuefunctionwillalso{{U}}?65?{{/U}}distresssignals berelayedthroughtheconstellationof satellites.
{{*HTML*}}阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 ??????? ??????????? ???{{B}}MicrochipResearchCenterCreated{{/B}}??A researchcenterhasbeensetupinthisFarEasterncountrytodevelopadvanced micro-chipproductiontechnology.ThecenterwhichwillstartoutwithaboutUS ＄14millionwillhelpthecountrydevelopitschipindustrywithoutalways dependingonimportedtechnology.??Thecenterwillmakeuseof itsresearchskillsandfacilitiestodevelopnewtechnologyfordomesticchip plants.Theadventofthecenterwillpossiblyfreethecountryfromthe situationthatitisalwaysbuyingalmost-outdatedtechnologiesfromother countriessaidthecountry’sflagshipchipmaker.Currentlychipplantsinthis countryareinapassivesituationbecausemanyforeigngovernmentsdon’tallow themtoimportthemostadvancedtechnologiesfearingtheywillbeusedfor militarypurposes.Moreoverthehighlicensingfeestheyhavetopayto technologyprovidersarealsoanimportantreasonfortheirdecisionof self-reliance.??Asmainstreamchipproductiontechnologyshifts fromonegenerationtothenexteverythreetofiveyearsplantswithnew technologycanmakemorepowerfulchipsatlowercostswhileplantswith outdatedequipmentwhichoftencostbillionsofdollarstobuildwillbe marginalizedbythemaker.??Morethan10chipplantsarebeing builteachcostingmillionsofUSdollars.Themajorityofthatmoneygoesto overseasequipmentvendorsandtechnologyowners--mainlyfromJapanand Singapore.??Shouldthenewcenterplayamajorroleinimproving thesituationintheindustrythecountryadmitstheUS＄14millioninvestment isstillrathersmall.?Thiscountryisdevelopingcomprehensive technologies.Mostoftheinvestmentwillbespentonsettingallianceswith technologyandintellectualpropertyowners.Thatcountrygivestopprioritiestodevelopingchipsformilitarypurposes.
{{*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 ChinatohelpEuropeDevelopGPS Rival??Chinaistocontributetoanewglobal satellitenavigationsystembeingdevelopedbyEuropeannations.TheGalileo satellitesystem{{U}}?51?{{/U}}amoreaccuratecivilianalternative totheGlobalPositioningSystemGPSoperatedbytheUSmilitary.Chinawill provided230mEurosUSD259min{{U}}?52?{{/U}}andwillcooperate withtechnicalmanufacturingandmarketdevelopment.ChinawillhelpGalileo to{{U}}?53?{{/U}}themajorworldinfrastructureforthegrowing marketforlocationservicessaidLoyoladePalacioEUtransport commissioner.??Anewcenterthatwillcoordinateco-operationwas alsoannounced{{U}}?54?{{/U}}theEuropeanCommissiontheEuropean SpaceAgencyESAandtheChineseMinistryofScienceandTechnologynotlong {{U}}?55?{{/U}}.TheChina-EuropeGlobalNavigationSatelliteSystem TechnicalTrainingandCooperationCenterwillbe{{U}}?56?{{/U}}at BeijingUniversity.Chinahasasubstantialsatellitelaunchindustryandcould potentiallyhelptheGalileosatellites.??TheUShasclaimedthat Galileocouldinterfere{{U}}?57?{{/U}}theUSabilitytodowngradethe GPSserviceduringmilitaryconflicts.Europeanofficialssaythisisunfounded andcounterthatUSopposition{{U}}?58?{{/U}}thecommercialchallenge GalileowouldpresenttoGPS.Galileowillbeprecisetowithinameterwhile civilianGPSserviceisaccuratetoaround10meters.??The Galileosatelliteconstellationwill{{U}}?59?{{/U}}27operationaland threereservesatellitesorbitingtheEarthatanaltitudeof23600km.The satelliteswillbestrungalongthreemedium-Earthorbitsat56degrees inclinationtotheequatorandwillprovideglobalcoverage.Thesystemshould beoperationalby2008andtheentireprojectisexpectedto{{U}}?60 ?{{/U}}around3.2billionEurosUSD3.6billion.??The EuropeanCommissionhassaidGalileowillprimarilybeusedfortransportation technologyscientificresearchlandmanagementanddisaster monitoring.??Galileowillprovidetwosignals:astandard civilianoneandanencryptedwide-bandsignal{{U}}?61?{{/U}}the PublicRegulatedServicePRS.Thissecondsignalisdesignedtowithstand localizedjammingandwillbeusedbypoliceandmilitaryservicesinEurope. EuropeanCommission{{U}}?62?{{/U}}havesaidChinawillnotbegiven accesstothePRS.??ThefirstGalileosatelliteisscheduledto launchlatein2004Clocksonboardthe{{U}}?63?{{/U}}Willbe synchronizedthrough20groundsensorsstationstwocommandcentersand15 uplinkstations.??Receiversonthegroundwillusetimesignals fromthesatellitestopreciselycalculatetheir{{U}}?64?{{/U}}.A searchandrescuefunctionwillalso{{U}}?65?{{/U}}distresssignals berelayedthroughtheconstellationof satellites.
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{{*HTML*}}阅读下面这篇短文短文后列出7个句子请根据短文的内容对每个句子做出判断 ??????? ??????????? ???{{B}}MicrochipResearchCenterCreated{{/B}}??A researchcenterhasbeensetupinthisFarEasterncountrytodevelopadvanced micro-chipproductiontechnology.ThecenterwhichwillstartoutwithaboutUS ＄14millionwillhelpthecountrydevelopitschipindustrywithoutalways dependingonimportedtechnology.??Thecenterwillmakeuseof itsresearchskillsandfacilitiestodevelopnewtechnologyfordomesticchip plants.Theadventofthecenterwillpossiblyfreethecountryfromthe situationthatitisalwaysbuyingalmost-outdatedtechnologiesfromother countriessaidthecountry’sflagshipchipmaker.Currentlychipplantsinthis countryareinapassivesituationbecausemanyforeigngovernmentsdon’tallow themtoimportthemostadvancedtechnologiesfearingtheywillbeusedfor militarypurposes.Moreoverthehighlicensingfeestheyhavetopayto technologyprovidersarealsoanimportantreasonfortheirdecisionof self-reliance.??Asmainstreamchipproductiontechnologyshifts fromonegenerationtothenexteverythreetofiveyearsplantswithnew technologycanmakemorepowerfulchipsatlowercostswhileplantswith outdatedequipmentwhichoftencostbillionsofdollarstobuildwillbe marginalizedbythemaker.??Morethan10chipplantsarebeing builteachcostingmillionsofUSdollars.Themajorityofthatmoneygoesto overseasequipmentvendorsandtechnologyowners--mainlyfromJapanand Singapore.??Shouldthenewcenterplayamajorroleinimproving thesituationintheindustrythecountryadmitstheUS＄14millioninvestment isstillrathersmall.?Thiscountryisdevelopingcomprehensive technologies.Mostoftheinvestmentwillbespentonsettingallianceswith technologyandintellectualpropertyowners.Mainstreamchipproductiontechnologydeveloprapidly.
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{{*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.Whenyoulogonto登录到]websiteasmall pop-up弹出式菜单invitesyoutobookabouquet花束forher.{{U}}?46 ?{{/U}}??TheAmericanversionofMother’sDaywasthoughtup asearlyas1905byAnnaJarvisasawayofrecognizingtherealvalueof motherhood.ThepopularityofMother’sDayaroundtheworldsuggeststhatJarvis gotallshewanted.Infactshegotmore--enoughtomakeher horrified.??{{U}}?47?{{/U}}Theybuyamongother things132millioncards.Mother’sDayistheNo.1holidayforflower purchases.Thentherearethevariouscommoditiesrangingfromjewelryand clothestocosmeticsandwashingpowderthattakeadvantageofthepromotion opportunities.BecauseofthisJarvisspentthelast40yearsofherlife tryingtostopMother’sDay.Oneprotestagainstthecommercialization商品化 Mother’sDayevengotherarrestedfordisturbingthepeace interestingly.??{{U}}?48?{{/U}}AsRalphFevrea reporterattheUKnewspaperTheGuardianobservestraditionallymotherhood issomethingthatwedobecausewethinkit’sright.Butinthelogicof commercialismpeopleneedsomethinginexchangefortheirtimeandenergy.A careerservesthispurposebetter.??Inadditionwomenarebeing encouragedtopursueanycareertheydesire.Sotheyworkhardandplayhard. {{U}}?49?{{/U}}??{{U}}?50?{{/U}}Accordingto TheGuardiantherearetwiceasmanychild-freeyoungwomenastherewerea generationago.Ortheyputofftheresponsibilityofparentinguntillaterin theirlives.??SoFevrewritesthatthemeaningofcelebrating Mother’sDayneedstobeupdated:Itistopersuadepeoplethatparentingisa goodideaandtohonorpeoplefortheirattempttobegoodpeople.? ?A.Commercialwarmthandgratitudearetheatmospherebeingspreadaround forthisspecialSundayinMay.??B.Butwhat’smore commercialismchangesyoungpeople’sattitudetowardsmotherhood.? ?C.Obviouslythebestgirlwillbeaphonecalloravisit.? ?D.AccordingtoaresearchbytheUScardcompanyHallmark96percentof Americanconsumerscelebratetheholiday.??E.Asaresult motherhoodhassufferedahugedropinstatussincethe1950s.? ?F.Becomingamotherhoweverinevitablyhandicapscareer anticipation.{{*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 ChinatohelpEuropeDevelopGPS Rival??Chinaistocontributetoanewglobal satellitenavigationsystembeingdevelopedbyEuropeannations.TheGalileo satellitesystem{{U}}?51?{{/U}}amoreaccuratecivilianalternative totheGlobalPositioningSystemGPSoperatedbytheUSmilitary.Chinawill provided230mEurosUSD259min{{U}}?52?{{/U}}andwillcooperate withtechnicalmanufacturingandmarketdevelopment.ChinawillhelpGalileo to{{U}}?53?{{/U}}themajorworldinfrastructureforthegrowing marketforlocationservicessaidLoyoladePalacioEUtransport commissioner.??Anewcenterthatwillcoordinateco-operationwas alsoannounced{{U}}?54?{{/U}}theEuropeanCommissiontheEuropean SpaceAgencyESAandtheChineseMinistryofScienceandTechnologynotlong {{U}}?55?{{/U}}.TheChina-EuropeGlobalNavigationSatelliteSystem TechnicalTrainingandCooperationCenterwillbe{{U}}?56?{{/U}}at BeijingUniversity.Chinahasasubstantialsatellitelaunchindustryandcould potentiallyhelptheGalileosatellites.??TheUShasclaimedthat Galileocouldinterfere{{U}}?57?{{/U}}theUSabilitytodowngradethe GPSserviceduringmilitaryconflicts.Europeanofficialssaythisisunfounded andcounterthatUSopposition{{U}}?58?{{/U}}thecommercialchallenge GalileowouldpresenttoGPS.Galileowillbeprecisetowithinameterwhile civilianGPSserviceisaccuratetoaround10meters.??The Galileosatelliteconstellationwill{{U}}?59?{{/U}}27operationaland threereservesatellitesorbitingtheEarthatanaltitudeof23600km.The satelliteswillbestrungalongthreemedium-Earthorbitsat56degrees inclinationtotheequatorandwillprovideglobalcoverage.Thesystemshould beoperationalby2008andtheentireprojectisexpectedto{{U}}?60 ?{{/U}}around3.2billionEurosUSD3.6billion.??The EuropeanCommissionhassaidGalileowillprimarilybeusedfortransportation technologyscientificresearchlandmanagementanddisaster monitoring.??Galileowillprovidetwosignals:astandard civilianoneandanencryptedwide-bandsignal{{U}}?61?{{/U}}the PublicRegulatedServicePRS.Thissecondsignalisdesignedtowithstand localizedjammingandwillbeusedbypoliceandmilitaryservicesinEurope. EuropeanCommission{{U}}?62?{{/U}}havesaidChinawillnotbegiven accesstothePRS.??ThefirstGalileosatelliteisscheduledto launchlatein2004Clocksonboardthe{{U}}?63?{{/U}}Willbe synchronizedthrough20groundsensorsstationstwocommandcentersand15 uplinkstations.??Receiversonthegroundwillusetimesignals fromthesatellitestopreciselycalculatetheir{{U}}?64?{{/U}}.A searchandrescuefunctionwillalso{{U}}?65?{{/U}}distresssignals berelayedthroughtheconstellationof satellites.
{{*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}} ElectronicTeaching??The potentialofclosed-circuittelevisionandothernewelectronicteachingtools issogreatthatitisfascinatingtovisualizetheschoolof tomorrow??Televisedlessonswilloriginatefromacentral buildinghavingperhapsfourorfivemasterstudios.Thelessonswillbecarried intoclassroomsalloveracityorevenanentirecountry.? ?Afteratelevisedlessonhasbeengiventheclassroomteacherwilltake overfortheall-importantfollow-upperiod.Thestudentswillaskany troublesomequestionsanddifficultpointswillbeclearedupthrough discussion.??Theteacherintheclassroomwillhaveadditional electronictools.Ontheteacher’sdeskthetraditionalchalkanderaserswill havebeenreplacedbyamultiple-controlpanelandmagnetictapeplayer.The tapemachineswillrunpre-recordedlessonswhichpupilswillfollowby headphones.Thelessonswillbespecificallygearedtothestudents’levelsof ability.Forinstancewhiletheclassasawholestudieshistoryeachstudent willreceiveanindividualhistorylessondirectedtohisparticularlevelof ability.??Shouldquestionarisethestudentswillbeableto talkdirectlytotheteacheronindividualintercomswithoutdisturbingthe restoftheclass.Inthiswaytheteacherwillbeabletoconductasmanyas threeclassesatthesametime.??Withtherapiddevelopmentof computersciencestudentswillbeaidedwithspeciallypreparedmultimedia softwaretostudytheirsubjectsbetter.Homeworkwillpossiblybeassignedand handedinviaelectronicmailsystem.Studentscaneventakeexaminationson theircomputerlinkedwiththeteacher’sandgetthescoreinstantly.Theywill getcertificatesordiplomasiftheypassalltherequiredexaminations.Experts believethatthistypeofeducationwillbeverypopularintheyears ahead.Whatkindoflessonswillthestudentshave?
{{*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}} ElectronicTeaching??The potentialofclosed-circuittelevisionandothernewelectronicteachingtools issogreatthatitisfascinatingtovisualizetheschoolof tomorrow??Televisedlessonswilloriginatefromacentral buildinghavingperhapsfourorfivemasterstudios.Thelessonswillbecarried intoclassroomsalloveracityorevenanentirecountry.? ?Afteratelevisedlessonhasbeengiventheclassroomteacherwilltake overfortheall-importantfollow-upperiod.Thestudentswillaskany troublesomequestionsanddifficultpointswillbeclearedupthrough discussion.??Theteacherintheclassroomwillhaveadditional electronictools.Ontheteacher’sdeskthetraditionalchalkanderaserswill havebeenreplacedbyamultiple-controlpanelandmagnetictapeplayer.The tapemachineswillrunpre-recordedlessonswhichpupilswillfollowby headphones.Thelessonswillbespecificallygearedtothestudents’levelsof ability.Forinstancewhiletheclassasawholestudieshistoryeachstudent willreceiveanindividualhistorylessondirectedtohisparticularlevelof ability.??Shouldquestionarisethestudentswillbeableto talkdirectlytotheteacheronindividualintercomswithoutdisturbingthe restoftheclass.Inthiswaytheteacherwillbeabletoconductasmanyas threeclassesatthesametime.??Withtherapiddevelopmentof computersciencestudentswillbeaidedwithspeciallypreparedmultimedia softwaretostudytheirsubjectsbetter.Homeworkwillpossiblybeassignedand handedinviaelectronicmailsystem.Studentscaneventakeexaminationson theircomputerlinkedwiththeteacher’sandgetthescoreinstantly.Theywill getcertificatesordiplomasiftheypassalltherequiredexaminations.Experts believethatthistypeofeducationwillbeverypopularintheyears ahead.Afteratelevisedlessonwhichwillnothappen?
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{{*HTML*}}{{B}}第二篇{{/B}} ListeningDeviceProvidesLandslide山崩地滑塌方Early Warning??Adevicethatprovidesearlywarningofa landslidebymonitoringvibrations振动insoilisbeingtestedbyUK researchers.Thedevicecouldsavethousandsofliveseachyearbywarningwhen anareashouldbeevacuated疏散撤走thescientistssay.Suchnatural disastersarecommonincountriesthatexperiencesuddenheavy rainfall降雨降雨量andcanalsobetriggeredbyearthquakesandevenwater erosion腐蚀侵蚀.??Landslidesstartwhenafewparticlesofsoilor rockwithinaslopestarttomovebuttheearlystagescanbehardtospot. Followingthisinitialmovementslopescanbecomeunstableinamatterof hoursorminutessaysNellDixonatSouthboroughUniversityUK.Hesaysa warningsystemthatmonitorsthismovementmightbeenoughtoevacuateablock offiatsorcleararoadandsavelives.??Themostcommonway tomonitoraslopeforsignsofanimminent即将发生的landslideistowatchfor changesinitsshape.Surveyorscandothisbymeasuringasidedirectlyor sensors传感器sunkintoboreholes钻孔井眼orfixedabovegroundcanbeusedto monitortheshapeofaslope.Slopescanhoweverchangeshapewithout triggeringalandslidesoeithermethodispronetocausingfalsealarms.Now Dixon’steamhasdevelopedadevicethatlistensforthevibrations’causedwhen particlesbeginmovingwithinaslope.??Thedevicetakestheform ofasteelpipedroppedintoaboreholeinaslope.Theboreholeisfilledin withgravel砾沙砾砾石aroundthepipetohelptransmithigh-frequencyvibrations generatedbyparticleswithintheslope.Thesevibrationspassupthetubeand arepickedupbyasensoronthesurface.Softwareanalysesthevibrationsignal todeterminewhetheralandslidemaybeimminent.??Thedeviceis currentlybeingtestedina6-metre-tallartificialclayembankment堤岸in NewcastleUK.Earlyresultssuggestitshouldprovidefewerfalsepositives thanexistingsystems.Onceithasbeencarefullyandthoroughlytestedthe devicecouldbeusedtocreateacompleteearly-warningsystemfordangerous slopes.??Locationswithasignificantriskoflandslidescould definitelybenefitfromamachinelikethissaysAdamPoulteranexpertat theBritishRedCross.Aslongasitdoesn’tcosttoomuchButPoulteradds thatanearly-warningsystemmaynotheenoughonitsown.Youneedtohavethe humancommunicationhesays.Makingsystemsthatgetwarningstothosewho needthemcanbedifficult.Whydoresearchersdevelopanewdevicetomonitorsignsoflandsides?
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{{*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 ChinatohelpEuropeDevelopGPS Rival??Chinaistocontributetoanewglobal satellitenavigationsystembeingdevelopedbyEuropeannations.TheGalileo satellitesystem{{U}}?51?{{/U}}amoreaccuratecivilianalternative totheGlobalPositioningSystemGPSoperatedbytheUSmilitary.Chinawill provided230mEurosUSD259min{{U}}?52?{{/U}}andwillcooperate withtechnicalmanufacturingandmarketdevelopment.ChinawillhelpGalileo to{{U}}?53?{{/U}}themajorworldinfrastructureforthegrowing marketforlocationservicessaidLoyoladePalacioEUtransport commissioner.??Anewcenterthatwillcoordinateco-operationwas alsoannounced{{U}}?54?{{/U}}theEuropeanCommissiontheEuropean SpaceAgencyESAandtheChineseMinistryofScienceandTechnologynotlong {{U}}?55?{{/U}}.TheChina-EuropeGlobalNavigationSatelliteSystem TechnicalTrainingandCooperationCenterwillbe{{U}}?56?{{/U}}at BeijingUniversity.Chinahasasubstantialsatellitelaunchindustryandcould potentiallyhelptheGalileosatellites.??TheUShasclaimedthat Galileocouldinterfere{{U}}?57?{{/U}}theUSabilitytodowngradethe GPSserviceduringmilitaryconflicts.Europeanofficialssaythisisunfounded andcounterthatUSopposition{{U}}?58?{{/U}}thecommercialchallenge GalileowouldpresenttoGPS.Galileowillbeprecisetowithinameterwhile civilianGPSserviceisaccuratetoaround10meters.??The Galileosatelliteconstellationwill{{U}}?59?{{/U}}27operationaland threereservesatellitesorbitingtheEarthatanaltitudeof23600km.The satelliteswillbestrungalongthreemedium-Earthorbitsat56degrees inclinationtotheequatorandwillprovideglobalcoverage.Thesystemshould beoperationalby2008andtheentireprojectisexpectedto{{U}}?60 ?{{/U}}around3.2billionEurosUSD3.6billion.??The EuropeanCommissionhassaidGalileowillprimarilybeusedfortransportation technologyscientificresearchlandmanagementanddisaster monitoring.??Galileowillprovidetwosignals:astandard civilianoneandanencryptedwide-bandsignal{{U}}?61?{{/U}}the PublicRegulatedServicePRS.Thissecondsignalisdesignedtowithstand localizedjammingandwillbeusedbypoliceandmilitaryservicesinEurope. EuropeanCommission{{U}}?62?{{/U}}havesaidChinawillnotbegiven accesstothePRS.??ThefirstGalileosatelliteisscheduledto launchlatein2004Clocksonboardthe{{U}}?63?{{/U}}Willbe synchronizedthrough20groundsensorsstationstwocommandcentersand15 uplinkstations.??Receiversonthegroundwillusetimesignals fromthesatellitestopreciselycalculatetheir{{U}}?64?{{/U}}.A searchandrescuefunctionwillalso{{U}}?65?{{/U}}distresssignals berelayedthroughtheconstellationof satellites.
{{*HTML*}}{{B}}第三篇{{/B}} EgyptFelledbyFamine? ?EvenancientEgyptsmightypyramidbuilderswerepowerlessinthefaceof thefaminethathelpedbringdowntheircivilianaround2180BC.Nowevidence gleaned搜集frommuddepositedbytheRiverNilesuggeststhatashiftin climatethousandsofkilometerstothesouthwasultimatelytoblem--andthe sameorworsecouldhappentoday.??TheancientEgyptiansdepended ontheNilesannualfloodstoirrigatetheircrops.Butanychangeinclimate thatpushedtheAfricanmonsoons季风southwardsoutofEthiopiawouldhave diminishedthesefloods.??Dwindling逐渐变少使变少rainsinthe Ethiopianhighlandswouldhavemeantfewerplantstoestablishthesoil.When raindidfallitwouldhavewashedlargeamountsofsoilintotheBlueNileand intoEgyptalongwithsediment沉积沉积物fromtheWhiteNile.??The BlueNilemudhasadifferentisotopesignature签名特征fromthatoftheWhite Nile.Sobyanalyzingisotope同位素核素differencesinmuddepositedintheNile DeltaMichaelKromofLeedsUniversityworkedoutwhatproportionofsediment camefromeachbranchoftheriver.??Kromreasonsthatduring periodsofdroughttheamountoftheBlueNilemudintheriverwouldbe relativelyhigh.Hefoundthatoneoftheseperiodsfrom4500to4200years agoimmediatelypredatesthefalloftheEgyptsOldKingdom.? ?TheweakenedwaterswouldhavebeencatastrophicfortheEgyptians. Changesthataffectfoodsupplydonthavetobeverylargetohavearipple effectinsocietiessaysBillRyanoftheLamontDohertyEarth Observatory天文台inNewYork.??Similareventstodaycouldbeeven moredevastatingsaysteammemberDanielStanleya geoarchaeologist地质考古学家fromtheSmithsonianInstitutioninWashingtonD.C. Anythinghumansdotoshifttheclimatebeltswouldhaveanevenworseeffect alongtheNilesystembecausethepopulationshaveincreaseddramatically. WhichofthefollowingfactorswasultimatelyresponsibleforthefallofthecivilizationofancientEgypt?
{{*HTML*}}{{B}}第二篇{{/B}} ListeningDeviceProvidesLandslide山崩地滑塌方Early Warning??Adevicethatprovidesearlywarningofa landslidebymonitoringvibrations振动insoilisbeingtestedbyUK researchers.Thedevicecouldsavethousandsofliveseachyearbywarningwhen anareashouldbeevacuated疏散撤走thescientistssay.Suchnatural disastersarecommonincountriesthatexperiencesuddenheavy rainfall降雨降雨量andcanalsobetriggeredbyearthquakesandevenwater erosion腐蚀侵蚀.??Landslidesstartwhenafewparticlesofsoilor rockwithinaslopestarttomovebuttheearlystagescanbehardtospot. Followingthisinitialmovementslopescanbecomeunstableinamatterof hoursorminutessaysNellDixonatSouthboroughUniversityUK.Hesaysa warningsystemthatmonitorsthismovementmightbeenoughtoevacuateablock offiatsorcleararoadandsavelives.??Themostcommonway tomonitoraslopeforsignsofanimminent即将发生的landslideistowatchfor changesinitsshape.Surveyorscandothisbymeasuringasidedirectlyor sensors传感器sunkintoboreholes钻孔井眼orfixedabovegroundcanbeusedto monitortheshapeofaslope.Slopescanhoweverchangeshapewithout triggeringalandslidesoeithermethodispronetocausingfalsealarms.Now Dixon’steamhasdevelopedadevicethatlistensforthevibrations’causedwhen particlesbeginmovingwithinaslope.??Thedevicetakestheform ofasteelpipedroppedintoaboreholeinaslope.Theboreholeisfilledin withgravel砾沙砾砾石aroundthepipetohelptransmithigh-frequencyvibrations generatedbyparticleswithintheslope.Thesevibrationspassupthetubeand arepickedupbyasensoronthesurface.Softwareanalysesthevibrationsignal todeterminewhetheralandslidemaybeimminent.??Thedeviceis currentlybeingtestedina6-metre-tallartificialclayembankment堤岸in NewcastleUK.Earlyresultssuggestitshouldprovidefewerfalsepositives thanexistingsystems.Onceithasbeencarefullyandthoroughlytestedthe devicecouldbeusedtocreateacompleteearly-warningsystemfordangerous slopes.??Locationswithasignificantriskoflandslidescould definitelybenefitfromamachinelikethissaysAdamPoulteranexpertat theBritishRedCross.Aslongasitdoesn’tcosttoomuchButPoulteradds thatanearly-warningsystemmaynotheenoughonitsown.Youneedtohavethe humancommunicationhesays.Makingsystemsthatgetwarningstothosewho needthemcanbedifficult.Accordingtothecontextwhatdoesthewordpositivesinthefifthparagraphmean?
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