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1、2019-2020年高考英语大二轮复习第一部分阅读理解专题一阅读理解第3讲主旨大意题即时演练[xx·甘肃兰州双基考]AnAustralianpany,SmartCarTechnologies,hasdevelopedasystemthatletsdriversknowwhenthey'respeeding.Whenthetechnologybeesmerciallyavailable,itcouldhelpleadfooted_driversavoidticketsandalsosavelives.Thepanythatdevel
2、opedtheproducthopestoconvinceAustraliangovernmentagenciestoputthetechnologyintouseintheirautomobilefleets(车队)．Theproduct,calledSpeedAlert,linksrealtimelocationdataandspeedobtainedwiththehelpofGPStoadatabaseofpostedspeedlimitsstoredinadriver'sPDAorprogrammablemobilepho
3、ne.Thesetupoftheproductdoesnotneedtobehookeduptoacar'sspeedometer(速度计).Infact,itisentirelyportable.ItwillalsoworkwithnewerphonesandPDAsthathavebuiltinGPSreceivers.Ifadriverexceeds(超过)thespeedlimit,thespeedisshownandanalertsounds.MichaelPaine,anAustralianvehicledesigne
4、ngineerandtrafficsafetyconsultant,washiredtoanalyzetheproduct.HetoldLiveSciencethathiscolleaguesintheroadsafetyfieldare“veryenthusiastic”aboutwhatthey'renowcalling“anintelligentspeedalert”.Otherresearch,accordingtoPaine,showsthat40percentofalltrafficdeathsinvolvespeed
5、ing.Thereisalsoapotentiallycontroversialfutureuse.“Sincethesystemissoportable,itwouldbeeasytomakeitarequirementforteenagedriverstoalwaysuseaspeedalertdevicewhendriving，”Painesaid.“Thesystemevenhasthecapabilitytorecordspeedingviolations,soparentscanmonitortheirteenaged
6、rivers.”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.答案：D 考查细节理解。根据第一段中的“AnAustralianpany,S
7、martCarTechnologies,hasdevelopedasystemthatletsdriversknowwhenthey'respeeding.Whenthetechnologybeesmerciallyavailable,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，使他们在安全速度内驾驶，故选D项。2．Leadfooteddriversrefertotheones________.A
8、．whodrivetoocarelesslyB．whodriveoverthespeedlimitC．whoarepartlydisabledD．whodrivetooslowly答案：B 考查推理判断。根据第一段的第二句“Whenthetechn
