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Paragraph 5 ______
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ThetermgrubLine5Paragraph4mostprobablymeans
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textbook.
education.
stationery.
ThewordexacerbateParagraph5iscloselyassociatedwith
identify.
aggravate.
emphasize.
alleviate.
Anattemptonthepartoftheauthorofthispassagetogiveam
paragraph 2
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paragraph 5
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Defiedinthe5thparagraphprobablymeans
doubted
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Oneshouldnotplantagardenthatistoolargeforhimtocare
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the “it” in the phrase “the desire not to do it”.
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the idea of helping the friend.
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{{*HTML*}}下面的短文后有2项测试任务1第23～26题要求从所给的6个选项中为第3～6段每段选择1个最佳标题2第27～30题要求从所给的6个选项中为每个句子确定1个最佳选项? ? ElectromagneticEnergy? ?1.Whitelightseemstobeacombinationofallcolors.Theenergythat comesfromasourceoflightisnotlimitedtothekindofenergyyoucansee. Heatisgivenoffbyaflameoranelectriclight.Onacloudydayitis possibletogetasunburneventhoughyoufeelcool.Visiblelightandthekind ofenergythatproducewarmthandsunburnareexamplesofelectromagnetic energy.??2.Thesunis93millionmilesfromtheearth.Yetwe canuseenergyfromthesunbecauseelectromagneticenergytravelsthrough space.??3.Manyotherkindsofenergyarealsotypesof electromagneticenergy.Radiotelevisionandradarsignalstravelfrom transmitterstoreceiversaslow-energyelectromagneticwaves.Infrared红外线的 radiationisanelectromagneticwave.Whenitisabsorbedbymatterheatis produced.Wavesofinfraredandvisiblelighthavemoreenergythanwavesof radiotelevisionorradar.Ultravioletrays紫外线andX-raysare electromagneticwaveswithevengreateramountsofenergy.Infraredradiationis usedincookingfoodandheatingbuildings.Sunlightandelectriclightsare partofourrequirementsfornormalliving.Ultravioletradiationisusefulin killingcertaindiseaseorganisms.X-raysandgammarayshavesomushenergy thattheytravelrightthroughsolidobjects.Theycanbeusedtodetectand treatcancer.X-raysareusedinindustrytofindhiddencracksinmetalandin medicinetorevealbrokenbones.??4.Usuallyweuseelectricity togenerateelectromagneticenergy.Thesourceofmostofourenergyisthesun. Heatfromthesuncauseswatertoevaporate.Whenthewaterfallstotheearth asrainsomeofitistrappedbehinddamsandthenusedtooperateelectric generators.Othergeneratorsarepoweredbycoalbuttheenergystoredincoal camefromthesuntoo.??5.Untilrecentlythesourceofthe tremendousamountofenergygivenoffbythesunwasapuzzle.Ifthesun dependedonchemicalreactionsitwouldhaveusedupallitsenergylongago. Experimentswithelectromagneticradiationledtothetheorythatmasscanbe convertedintoenergy.Aboutfortyyearsafterthetheorywasproposednuclear energywasharnessed利用byman.Chemicalenergycomesfromelectron电子 rearrangement.Nuclearenergycomesfromachangeinthenucleusofanatom. Comparedwithchemicalreactionsnuclearreactionsreleasemillionsoftimes moreenergyperpoundoffuel.Wenowbelievethatthesun’senergycomesfrom thenuclearreactionsinwhichhydrogenischangedintohelium氦.? ?6.Nuclearenergyisbeginningtocompetewithcoalasaneconomical sourceofpowertogenerateelectricity.Itisalsobeingusedtooperate enginesinlargeships.Scientistscontinuetoseeknewandbettermethodsof obtainingandusingenergy. ??A.NuclearReactionsastheLastingSourceoftheSun’s Energy??B.TheMostImportantSourceofEnergy??C. TypesofElectromagneticEnergy??D.X-raysAreUsedtoDetectand TreatCancer.??E.SeekingNewSourcesofEnergy? ?F.NuclearEnergyisBeginningtoCompetewithCoalParagraph5______
{{*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.Whichofthefollowingstatementsistrueoflandslides?
{{*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.Inthefollowingstatementswhichonewillnothappeninthetelevisedlesson?
{{*HTML*}}??A.electromagneticenergy??B.electromagnetic energytravelsthroughspace??C.camefromthesun? ?D.whenachangeinthenucleusofanatomtakesplace??E. whenthesunraysarefierce??F.chemicalenergyis generatedVisiblelightthatproducewarmthisanexampleof______.
{{*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*}}下面的短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提的是正确信息请选择A如果该句提的是错误信息请选择B如果该句的信息文中没有提及请选择C IrradiatingFood? ?Irradiatingfruitsvegetablesporkandchickentokillinsectsand bacteriahasbeenapprovedbytheFoodandDrugAdministrationoverthepast decade.Irradiationofothermeatssuchasbeefandlambisbeingreviewed. Federalapprovaldoesnotrequirethatindustryadopttheprocessandfewfood processorspresentlyofferirradiatedproducts.??Marketstudies haveshownthatmanyconsumersareafraidthateatingirradiatedfoodsmaycause cancerdespitescientificstudiesthatprovethesafetyoftreatedfoods.Some peoplearguethatmoreseveregovernmentinspectionhigherfood-safetystandard andmorecareful-preparationpracticesbyconsumersareallthatisneededto ensurethatfoodissafe.Consequentlycompaniescurrentlyseenoneedtospend millionsofdollarsoutfittingprocessingplantswiththeequipmentnecessary foraprocessthatveryfewshoppersareinfavorof.??All supermarketsthatsellirradiatedfoodmustlabelthefoodeitherdirectlyon thepackagingorinthecaseofbulkitemslikefruitsandvegetablesby placingasignnearby.Thereisnorequirementforthelabelingofirradiated foodservedbychainrestaurantsorhospitalsthatbuydirectlyfrom distributorsnoranyregulationsforproductsthatcontainirradiated ingredients.??PresentlytheFDAallowsfoodtobetreatedwith threetypesofradiation--gammarays伽马射线high-energyelectronsandXrays --andsetslimitsondosesdependingonthetypeoffood.Theprincipleis thatthedosetobeusedforacertaintypeoffoodshouldnotexceedtheamount thatissufficienttokillmostharmfulinsectsandbacteriapresentinit. Differenttypesoffoodbecauseoftheirmolecularcompositionsmayrequire differentdosesofradiation.Somecompaniesforeseethebankruptcyoffoodprocessingfactories.
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{{*HTML*}}下面有3篇短文每篇短文后有5道题请根据短文内容为每题确定1个最佳选项{{B}}第一篇{{/B}} 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.Accordingtothelastparagraphwhichoneistrue?
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ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
{{*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. Whichofthefollowingstatementsistrue?
ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
{{*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. Theworddevastatinginthelastparagraphcouldbebestreplacedby
Accompaniedby{{U}}cheerful{{/U}}musicwebegantodance.
{{*HTML*}}??A.electromagneticenergy??B.electromagnetic energytravelsthroughspace??C.camefromthesun? ?D.whenachangeinthenucleusofanatomtakesplace??E. whenthesunraysarefierce??F.chemicalenergyis generatedTheenergystoredincoal______.
{{*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.WhichofthefollowingstatementsisNOTtrueofthedeviceaccordingtoParagraph4?
Thereporterwasaccusedofunprofessional{{U}}conduct{{/U}}.
{{*HTML*}}下面的短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提的是正确信息请选择A如果该句提的是错误信息请选择B如果该句的信息文中没有提及请选择C IrradiatingFood? ?Irradiatingfruitsvegetablesporkandchickentokillinsectsand bacteriahasbeenapprovedbytheFoodandDrugAdministrationoverthepast decade.Irradiationofothermeatssuchasbeefandlambisbeingreviewed. Federalapprovaldoesnotrequirethatindustryadopttheprocessandfewfood processorspresentlyofferirradiatedproducts.??Marketstudies haveshownthatmanyconsumersareafraidthateatingirradiatedfoodsmaycause cancerdespitescientificstudiesthatprovethesafetyoftreatedfoods.Some peoplearguethatmoreseveregovernmentinspectionhigherfood-safetystandard andmorecareful-preparationpracticesbyconsumersareallthatisneededto ensurethatfoodissafe.Consequentlycompaniescurrentlyseenoneedtospend millionsofdollarsoutfittingprocessingplantswiththeequipmentnecessary foraprocessthatveryfewshoppersareinfavorof.??All supermarketsthatsellirradiatedfoodmustlabelthefoodeitherdirectlyon thepackagingorinthecaseofbulkitemslikefruitsandvegetablesby placingasignnearby.Thereisnorequirementforthelabelingofirradiated foodservedbychainrestaurantsorhospitalsthatbuydirectlyfrom distributorsnoranyregulationsforproductsthatcontainirradiated ingredients.??PresentlytheFDAallowsfoodtobetreatedwith threetypesofradiation--gammarays伽马射线high-energyelectronsandXrays --andsetslimitsondosesdependingonthetypeoffood.Theprincipleis thatthedosetobeusedforacertaintypeoffoodshouldnotexceedtheamount thatissufficienttokillmostharmfulinsectsandbacteriapresentinit. Differenttypesoffoodbecauseoftheirmolecularcompositionsmayrequire differentdosesofradiation.Agreatmanyfoodprocessorsproduceirritatedfoods.
{{*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.Inparagraphonewhatdoestheschooloftomorrowmean?
{{*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.
ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
{{*HTML*}}下面的短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提的是正确信息请选择A如果该句提的是错误信息请选择B如果该句的信息文中没有提及请选择C IrradiatingFood? ?Irradiatingfruitsvegetablesporkandchickentokillinsectsand bacteriahasbeenapprovedbytheFoodandDrugAdministrationoverthepast decade.Irradiationofothermeatssuchasbeefandlambisbeingreviewed. Federalapprovaldoesnotrequirethatindustryadopttheprocessandfewfood processorspresentlyofferirradiatedproducts.??Marketstudies haveshownthatmanyconsumersareafraidthateatingirradiatedfoodsmaycause cancerdespitescientificstudiesthatprovethesafetyoftreatedfoods.Some peoplearguethatmoreseveregovernmentinspectionhigherfood-safetystandard andmorecareful-preparationpracticesbyconsumersareallthatisneededto ensurethatfoodissafe.Consequentlycompaniescurrentlyseenoneedtospend millionsofdollarsoutfittingprocessingplantswiththeequipmentnecessary foraprocessthatveryfewshoppersareinfavorof.??All supermarketsthatsellirradiatedfoodmustlabelthefoodeitherdirectlyon thepackagingorinthecaseofbulkitemslikefruitsandvegetablesby placingasignnearby.Thereisnorequirementforthelabelingofirradiated foodservedbychainrestaurantsorhospitalsthatbuydirectlyfrom distributorsnoranyregulationsforproductsthatcontainirradiated ingredients.??PresentlytheFDAallowsfoodtobetreatedwith threetypesofradiation--gammarays伽马射线high-energyelectronsandXrays --andsetslimitsondosesdependingonthetypeoffood.Theprincipleis thatthedosetobeusedforacertaintypeoffoodshouldnotexceedtheamount thatissufficienttokillmostharmfulinsectsandbacteriapresentinit. Differenttypesoffoodbecauseoftheirmolecularcompositionsmayrequire differentdosesofradiation.Restaurantscanserveirradiatedfoodboughtdirectlyfromdistributorswithoutlabelingit.
She{{U}}eventually{{/U}}marriedthemostpersistentoneofheradmirers.
{{*HTML*}}下面的短文后有2项测试任务1第23～26题要求从所给的6个选项中为第3～6段每段选择1个最佳标题2第27～30题要求从所给的6个选项中为每个句子确定1个最佳选项? ? ElectromagneticEnergy? ?1.Whitelightseemstobeacombinationofallcolors.Theenergythat comesfromasourceoflightisnotlimitedtothekindofenergyyoucansee. Heatisgivenoffbyaflameoranelectriclight.Onacloudydayitis possibletogetasunburneventhoughyoufeelcool.Visiblelightandthekind ofenergythatproducewarmthandsunburnareexamplesofelectromagnetic energy.??2.Thesunis93millionmilesfromtheearth.Yetwe canuseenergyfromthesunbecauseelectromagneticenergytravelsthrough space.??3.Manyotherkindsofenergyarealsotypesof electromagneticenergy.Radiotelevisionandradarsignalstravelfrom transmitterstoreceiversaslow-energyelectromagneticwaves.Infrared红外线的 radiationisanelectromagneticwave.Whenitisabsorbedbymatterheatis produced.Wavesofinfraredandvisiblelighthavemoreenergythanwavesof radiotelevisionorradar.Ultravioletrays紫外线andX-raysare electromagneticwaveswithevengreateramountsofenergy.Infraredradiationis usedincookingfoodandheatingbuildings.Sunlightandelectriclightsare partofourrequirementsfornormalliving.Ultravioletradiationisusefulin killingcertaindiseaseorganisms.X-raysandgammarayshavesomushenergy thattheytravelrightthroughsolidobjects.Theycanbeusedtodetectand treatcancer.X-raysareusedinindustrytofindhiddencracksinmetalandin medicinetorevealbrokenbones.??4.Usuallyweuseelectricity togenerateelectromagneticenergy.Thesourceofmostofourenergyisthesun. Heatfromthesuncauseswatertoevaporate.Whenthewaterfallstotheearth asrainsomeofitistrappedbehinddamsandthenusedtooperateelectric generators.Othergeneratorsarepoweredbycoalbuttheenergystoredincoal camefromthesuntoo.??5.Untilrecentlythesourceofthe tremendousamountofenergygivenoffbythesunwasapuzzle.Ifthesun dependedonchemicalreactionsitwouldhaveusedupallitsenergylongago. Experimentswithelectromagneticradiationledtothetheorythatmasscanbe convertedintoenergy.Aboutfortyyearsafterthetheorywasproposednuclear energywasharnessed利用byman.Chemicalenergycomesfromelectron电子 rearrangement.Nuclearenergycomesfromachangeinthenucleusofanatom. Comparedwithchemicalreactionsnuclearreactionsreleasemillionsoftimes moreenergyperpoundoffuel.Wenowbelievethatthesun’senergycomesfrom thenuclearreactionsinwhichhydrogenischangedintohelium氦.? ?6.Nuclearenergyisbeginningtocompetewithcoalasaneconomical sourceofpowertogenerateelectricity.Itisalsobeingusedtooperate enginesinlargeships.Scientistscontinuetoseeknewandbettermethodsof obtainingandusingenergy. ??A.NuclearReactionsastheLastingSourceoftheSun’s Energy??B.TheMostImportantSourceofEnergy??C. TypesofElectromagneticEnergy??D.X-raysAreUsedtoDetectand TreatCancer.??E.SeekingNewSourcesofEnergy? ?F.NuclearEnergyisBeginningtoCompetewithCoalParagraph3______
Thesefactorsinteract{{U}}intimately{{/U}}andcannotbeseparated.
{{*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*}}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. Whydoestheauthormentionpyramidbuilders?
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