搜索
全卷模式分大题显示1.Exercise1:Listentothispassageanddecidewhetherthefollowingstatementsaretrueorfalse,writeTfortrueandFforfalse.听力文本：AirportSecurityScreensPassengersUsingNewTechnologyCheckingbaggageforexplosiveshasn'tbeenaproblem.Airportsecuritycanputbagsinx-raymachines,openthemuptolookinside,oruseadvancedmachinerythatthatchecktracesofchemicalsoftenusedinexplosives.Butcheckingpeople'sbodiesisn'tsoeasy.ATSAinitiativethatbeganlastSeptembertorigorouslyfriskmorepeopleledtodozensofsexualharassmentcomplaints.SotheTSAturnedtotechnologyinstallingwhatlookslikealonger,morecomplexwalk-throughmetaldetectorsinnineairportsaroundthecountry.JoseRallsistheTSAdirectorfromMcCarranInternationalinLasVegas.JoseRalls:Themachineactuallywilltalktotheindividual,tellingthemtostandinsideandwait,andassoonastheyarecleared,itwilltellthemtoproceed.Fromadistance,Mr.Rallswatchesoneairportpassengergothroughtheprocess.JoseRalls:Nowheknowstogoonthrough,andhejustwaits,andassoonastheairisanalyzedhewillbeallowedtoproceedforward.Themachineblastsairdownwardandacrosswhoeverinsidetheportal.Mr.Rallssaysthatoftenstartlespeople.JoseRalls:That'swhyourfocusoutthereistoexplaintothemwhatwillbetakingplace,thenoisethattheywillbehearing.Thewayit'ssupposedtoworkisthatsuspiciousparticlesonclothingandexposedskinareblastedtowardsthefloor--where,withinsevenseconds,themachinecandetect40typesofexplosives.Ifanyarefound,securityisalerted.Accordingtothemanufacturer,SmithDetection,theportalsalsohavelessthan1%errorrate.CompanyvicepresidentMarkLastrasaysthistechnologyiscommonlyusedelsewhere.SmithDetection:Mostlyhighlycontrolledfacilities,sensitivesecurity,suchasnuclearpowerplantsandgovernmentbuildingswithhighsecurityneeds.Alongwithincreasingsecurity,theTSAhopestocutdownonpassengerwaittimes.Itiscollectingdatafromtheairportsinthistestbasetoseeifthemachinesarefasterandmoreefficientthanhumaninspectors.TheTransportationSecurityAdministrationplanstodeployfivemoreoftheseportalselsewhereinthenationbylatespring.Eventuallyitwouldliketheexplosivedetectorstobeascommonasmetaldetectors.IamKyPlaskoninLasVegas.题目：1.Foralongtime,checkingbaggageforexplosiveshasbeenaproblemforairportsecurity.文本：你的答案:F正确答案:F得分:5.00题目：2.Withinsevenseconds,themachinementionedinthenewscandetect14typesofexplosives.文本：你的答案:F正确答案:F得分:5.00题目：3.Accordingtothemanufacturer,theportalsalsohavenoerrorrate.文本：你的答案:F正确答案:F得分:5.00题目：4.Alongwithincreasingsecurity,theTSAhopestocutdownonpassengerwaittimes.Itiscollectingdatafromtheairportsinthetestphasetoseeifthemachinesarefasterandmoreefficientthanhumaninspectors.文本：你的答案:T正确答案:T得分:5.00题目：5.TheTransportationSecurityAdministrationplanstodeployfivemoreoftheseportalsinothernationsbylatewinter.文本：你的答案:F正确答案:F得分:5.002.Exercise2:Listentothepassageandanswereachquestionbygivingthebestchoice.听力文本：AirportSecurityScreensPassengersUsingNewTechnologyCheckingbaggageforexplosiveshasn'tbeenaproblem.Airportsecuritycanputbagsinx-raymachines,openthemuptolookinside,oruseadvancedmachinerythatthatchecktracesofchemicalsoftenusedinexplosives.Butcheckingpeople'sbodiesisn'tsoeasy.ATSAinitiativethatbeganlastSeptembertorigorouslyfriskmorepeopleledtodozensofsexualharassmentcomplaints.SotheTSAturnedtotechnologyinstallingwhatlookslikealonger,morecomplexwalk-throughmetaldetectorsinnineairportsaroundthecountry.JoseRallsistheTSAdirectorfromMcCarranInternationalinLasVegas.JoseRalls:Themachineactuallywilltalktotheindividual,tellingthemtostandinsideandwait,andassoonastheyarecleared,itwilltellthemtoproceed.Fromadistance,Mr.Rallswatchesoneairportpassengergothroughtheprocess.JoseRalls:Nowheknowstogoonthrough,andhejustwaits,andassoonastheairisanalyzedhewillbeallowedtoproceedforward.Themachineblastsairdownwardandacrosswhoeverinsidetheportal.Mr.Rallssaysthatoftenstartlespeople.JoseRalls:That'swhyourfocusoutthereistoexplaintothemwhatwillbetakingplace,thenoisethattheywillbehearing.Thewayit'ssupposedtoworkisthatsuspiciousparticlesonclothingandexposedskinareblastedtowardsthefloor--where,withinsevenseconds,themachinecandetect40typesofexplosives.Ifanyarefound,securityisalerted.Accordingtothemanufacturer,SmithDetection,theportalsalsohavelessthan1%errorrate.CompanyvicepresidentMarkLastrasaysthistechnologyiscommonlyusedelsewhere.SmithDetection:Mostlyhighlycontrolledfacilities,sensitivesecurity,suchasnuclearpowerplantsandgovernmentbuildingswithhighsecurityneeds.Alongwithincreasingsecurity,theTSAhopestocutdownonpassengerwaittimes.Itiscollectingdatafromtheairportsinthistestbasetoseeifthemachinesarefasterandmoreefficientthanhumaninspectors.TheTransportationSecurityAdministrationplanstodeployfivemoreoftheseportalselsewhereinthenationbylatespring.Eventuallyitwouldliketheexplosivedetectorstobeascommonasmetaldetectors.IamKyPlaskoninLasVegas.题目：1.Accordingtothenews,inwhichwayairportsecuritycan'tdetecttracesofchemicalsusedinexplosives?文本：A)putbagsinx-raymachinesB)talktotheindividualC)openbagsuptolookinsideD)useadvancedtechnology你的答案:B正确答案:B得分:5.00题目：2.Whatisthenameofthemachine'smanufacturer?文本：A)SmithInspectorB)SmithDetectorC)SmithDetectionD)SmithS