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首页 雅思模拟试卷

雅思模拟试卷.doc

雅思模拟试卷

能否用时间消磨过去的点滴
2019-05-18 0人阅读 举报 0 0 暂无简介

简介:本文档为《雅思模拟试卷doc》,可适用于综合领域

雅思阅读测试试卷姓名  班级 学号 ACADEMICREADINGminutesREADINGPASSAGEYoushouldspendaboutminutesonQuestionswhicharebasedonReadingPassagebelowStrikingBackatLightningWithLasersSeldomistheweathermoredramaticthanwhenthunderstormsstrikeTheirelectricalfuryinflictsdeathorseriousinjuryonaroundpeopleeachyearintheUnitedStatesaloneAsthecloudsrollin,aleisurelyroundofgolfcanbecomeaterrifyingdicewithdeathoutintheopen,alonegolfermaybealightningbolt'smostinvitingtargetAndthereisdamagetopropertytooLightningdamagecostsAmericanpowercompaniesmorethan$millionayearButresearchersintheUnitedStatesandJapanareplanningtohitbackAlreadyinlaboratorytrialstheyhavetestedstrategiesforneutralisingthepowerofthunderstorms,andthiswintertheywillbraverealstorms,equippedwithanarmouryoflasersthattheywillbepointingtowardstheheavenstodischargethundercloudsbeforelightningcanstrikeTheideaofforcingstormcloudstodischargetheirlightningoncommandisnotnewIntheearlys,researcherstriedfiringrocketstrailingwiresintothundercloudstosetupaneasydischargepathforthehugeelectricchargesthatthesecloudsgenerateThetechniquesurvivestothisdayatatestsiteinFloridarunbytheUniversityofFlorida,withsupportfromtheElectricalPowerResearchInstitute(EPRI),basedinCaliforniaEPRI,whichisfundedbypowercompanies,islookingatwaystoprotecttheUnitedStates'powergridfromlightningstrikes'Wecancausethelightningtostrikewherewewantittousingrockets,'saysRalphBernstein,manageroflightningprojectsatEPR!TherocketsiteisprovidingprecisemeasurementsoflightningvoltagesandallowingengineerstocheckhowelectricalequipmentbearsupBadbehaviourButwhilerocketsarefineforresearch,theycannotprovidetheprotectionfromlightningstrikesthateveryoneislookingforTherocketscostaround$,each,canonlybefiredatalimitedfrequencyandtheirfailurerateisaboutpercentAndevenwhentheydotriggerlightning,thingsstilldonotalwaysgoaccordingtoplan'Lightningisnotperfectlywellbehaved,'saysBernstein'Occasionally,itwilltakeabranchandgosomeplaceitwasn'tsupposedtogo'Andanyway,whowouldwanttofirestreamsofrocketsinapopulatedarea'Whatgoesupmustcomedown,'pointsoutJeanClaudeDielsoftheUniversityofNewMexicoDielsisleadingaproject,whichisbackedbyEPRI,totrytouselaserstodischargelightningsafelyandsafetyisabasicrequirementsincenoonewantstoputthemselvesortheirexpensiveequipmentatriskWitharound$,investedsofar,apromisingsystemisjustemergingfromthelaboratoryTheideabegansomeyearsago,whenhighpoweredlaserswererevealingtheirabilitytoextractelectronsoutofatomsandcreateionsIfalasercouldgeneratealineofionizationintheairallthewayuptoastormcloud,thisconductingpathcouldbeusedtoguidelightningtoEarth,beforetheelectricfieldbecomesstrongenoughtobreakdowntheairinanuncontrollablesurgeTostopthelaseritselfbeingstruck,itwouldnotbepointedstraightatthecloudsInsteaditwouldbedirectedatamirror,andfromthereintotheskyThemirrorwouldbeprotectedbyplacinglightningconductorsclosebyIdeally,thecloudzapper(gun)wouldbecheapenoughtobeinstalledaroundallkeypowerinstallations,andportableenoughtobetakentointernationalsportingeventstobeamupatbrewingstormcloudsAstumblingblockHowever,thereisstillabigstumblingblockThelaserisnoniftyportable:it'samonsterthattakesupawholeroomDielsistryingtocutdownthesizeandsaysthatalaseraroundthesizeofasmalltableisintheoffingHeplanstotestthismoremanageablesystemonlivethundercloudsnextsummerBernsteinsaysthatDiels'ssystemisattractinglotsofinterestfromthepowercompaniesButtheyhavenotyetcomeupwiththe$millionthatEPRIsayswillbeneededtodevelopacommercialsystem,bymakingthelasersyetsmallerandcheaper'IcannotsayIhavemoneyyet,butI'mworkingonit,'saysBernsteinHereckonsthattheforthcomingfieldtestswillbetheturningpointandhe'shopingforgoodnewsBernsteinpredicts'anavalancheofinterestandsupport'ifallgoeswellHeexpectstoseecloudzapperseventuallycosting$,to$,eachOtherscientistscouldalsobenefitWithalightning'switch'attheirfingertips,materialsscientistscouldfindoutwhathappenswhenmightycurrentsmeetmatterDielsalsohopestoseethebirthof'interactivemeteorology'notjustforecastingtheweatherbutcontrollingit'Ifwecoulddischargeclouds,wemightaffecttheweather,'hesaysAndperhaps,saysDiels,we'llbeabletoconfrontsomeothermeteorologicalmenaces'Wethinkwecouldpreventhailbyinducinglightning,'hesaysThunder,theshockwavethatcomesfromalightningflash,isthoughttobethetriggerforthetorrentialrainthatistypicalofstormsAlaserthunderfactorycouldshakethemoistureoutofclouds,perhapspreventingtheformationofthegianthailstonesthatthreatencropsWithluck,asthestormcloudsgatherthiswinter,lasertotingresearcherscould,forthefirsttime,strikebackQuestionsChoosethecorrectletter,A,B,CorDWritethecorrectletterinboxesonyouranswersheet ThemaintopicdiscussedinthetextisA thedamagecausedtoUSgolfcoursesandgolfplayersbylightningstrikesB theeffectoflightningonpowersuppliesintheUSandinJapanC avarietyofmethodsusedintryingtocontrollightningstrikesD alasertechniqueusedintryingtocontrollightningstrikes Accordingtothetext,everyyearlightningA doesconsiderabledamagetobuildingsduringthunderstormsB killsorinjuresmainlygolfersintheUnitedStatesC killsorinjuresaroundpeoplethroughouttheworldD damagesmorethanAmericanpowercompanies ResearchersattheUniversityofFloridaandattheUniversityofNewMexicoA receivefundsfromthesamesourceB areusingthesametechniquesC areemployedbycommercialcompaniesD areinoppositiontoeachotherQuestionsCompletethesentencesbelowChooseNOMORETHANTWOWORDSfromthepassageforeachanswerWriteyouranswersinboxesonyouranswersheet EPRIreceivesfinancialsupportfrom…………… TheadvantageofthetechniquebeingdevelopedbyDielsisthatitcanbeused…………………… ThemaindifficultyassociatedwithusingthelaserequipmentisrelatedtoIts……………………Question Completethesummaryusingthelistofwords,AI,belowWritecorrectletter,AI,inboxesonyouranswersheetInthismethod,alaserisusedtocreatealineofionisationbyremovingelectronsfrom………Thislaseristhendirectedat…………inordertocontrolelectricalcharges,amethodwhichislessdangerousthanusingAsaprotectionforthelasers,thebeamsareaimedfirstlyat……………AcloudzappersDmirrorsGrocketsBatomsEtechniqueHconductorsCstormcloudsFionsIthunderQuestionsDothefollowingstatementsagreewiththeinformationgiveninReadingPassageInboxesonyouranswersheetwriteYES      IfthestatementagreeswiththeclaimsofthewriterNO      ifthestatementcontradictstheclaimsofthewriterNOTGIVEN   ifitisimpossibletosaywhatthewriterthinksaboutthis PowercompanieshavegivenDielsenoughmoneytodevelophislaser Obtainingmoneytoimprovethelaserswilldependontestsinrealstorms WeatherforecastersareintenselyinterestedinDiels'ssystemREADINGPASSAGEYoushouldspendaboutminutesonQuestions,whicharebasedonReadingPassagebelowTheNatureofGeniusTherehasalwaysbeenaninterestingeniusesandprodigies,Theword'genius',fromtheLatingens(=family)andtheterm'genius',meaning'begetter',comesfromtheearlyRomancultofadivinityastheheadofthefamilyInitsearliestform,geniuswasconcernedwiththeabilityoftheheadofthefamily,thepaterfamilias,toperpetuatehimselfGradually,geniuscametorepresentaperson'scharacteristicsandthenceanindividual'shighestattributesderivedfromhis'genius'orguidingspiritToday,peoplestilllooktostarsorgenes,astrologyorgenetics,inthehopeoffindingthesourceofexceptionalabilitiesorpersonalcharacteristicsTheconceptofgeniusandofgiftshasbecomepartofourfolkculture,andattitudesareambivalenttowardsthemWeenvythegiftedandmistrustthemInthemythologyofgiftedness,itispopularlybelievedthatifpeoplearetalentedinonearea,theymustbedefectiveinanother,thatintellectualsareimpractical,thatprodigiesburntoobrightlytoosoonandburnout,thatgiftedpeopleareeccentric,thattheyarephysicalweaklings,thatthere'sathinlinebetweengeniusandmadness,thatgeniusrunsinfamilies,thatthegiftedaresoclevertheydon'tneedspecialhelp,thatgiftednessisthesameashavingahighIQ,thatsomeracesaremoreintelligentormusicalormathematicalthanothers,thatgeniusgoesunrecognisedandunrewarded,thatadversitymakesmenwiseorthatpeoplewithgiftshavearesponsibilitytousethemLanguagehasbeenenrichedwithsuchtermsas'highbrow','egghead',

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