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1、主旨大意题 建议用时：15分钟A[2015·甘肃兰州双基考]AnAustraliancompany,SmartCarTechnologies,hasdevelopedasystemthatletsdriversknowwhenthey'respeeding.Whenthetechnologybecomescommerciallyavailable,itcouldhelpleadfooted_driversavoidticketsandalsosavelives.Thecompanythatdevelopedth
2、eproducthopestoconvinceAustraliangovernmentagenciestoputthetechnologyintouseintheirautomobilefleets(车队)．Theproduct,calledSpeedAlert,linksrealtimelocationdataandspeedobtainedwiththehelpofGPStoadatabaseofpostedspeedlimitsstoredinadriver'sPDAorprogrammablemobile
3、phone.Thesetupoftheproductdoesnotneedtobehookeduptoacar'sspeedometer(速度计).Infact,itisentirelyportable.ItwillalsoworkwithnewerphonesandPDAsthathavebuiltinGPSreceivers.Ifadriverexceeds(超过)thespeedlimit,thespeedisshownandanalertsounds.MichaelPaine,anAustralianve
4、hicledesignengineerandtrafficsafetyconsultant,washiredtoanalyzetheproduct.HetoldLiveSciencethathiscolleaguesintheroadsafetyfieldare“veryenthusiastic”aboutwhatthey'renowcalling“anintelligentspeedalert”.Otherresearch,accordingtoPaine,showsthat40percentofalltraf
5、ficdeathsinvolvespeeding.Thereisalsoapotentiallycontroversialfutureuse.“Sincethesystemissoportable,itwouldbeeasytomakeitarequirementforteenagedriverstoalwaysuseaspeedalertdevicewhendriving，”Painesaid.“Thesystemevenhasthecapabilitytorecordspeedingviolations,so
6、parentscanmonitortheirteenagedrivers.”本文是一篇说明文，主要对澳大利亚一家公司所生产的一种新型的预防超速驾驶的车载智能装备进行了简要的介绍。1．What'sthepurposeofthenewproduct?A．Toinformusofthenewcarsystem.B．Tointroducesomeimprovementsincars.C．Topopularizethebuiltincarsystem.D．Tolimitcertaindriverstosafedriving
7、.答案：D 考查细节理解。根据第一段中的“AnAustraliancompany,SmartCarTechnologies,hasdevelopedasystemthatletsdriversknowwhenthey'respeeding.Whenthetechnologybecomescommerciallyavailable,itcouldhelpleadfooteddriversavoidticketsandalsosavelives”并结合第二段的内容可知，使用该新产品的目的是限制一些司机开车超速，使他们
8、在安全速度内驾驶，故选D项。2．Leadfooteddriversrefertotheones________.A．whodrivetoocarelesslyB．whodriveoverthespeedlimitC．whoarepartlydisabledD．whodrivetooslowly答案：B 考查推理判断。根据第一段的第二句“Whenthetechnologyb
