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ID:20971884
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页数:4页
时间:2018-10-18
《many countries have passed safety laws that require seat belts in vehicles阅读理解答案》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、Manycountrieshavepassedsafetylawsthatrequireseatbeltsinvehicles阅读理解答案 Manycountrieshavepassedsafetylawsthatrequireseatbeltsinvehicles.Amodernthree-pointseatbelt,alsocalledasafetybelt,isaharnesstopreventthedriverorapassengerfromflyingforwardandhittinghardagainsttheinteriorofavehicledur
2、ingacollision.Amodernseatbeltwillhelptopositionyouproperlytogainmaximumbenefitfromyourcar’sairbagsthatwillinflate(使充气)duringacollision.Usingaseatbeltalsopreventsyoufrombeingejected(弹出)fromacarintothepathofoncomingtraffic.Researchshowsthatwhenyouwearamodernseatbelt,youreducetheriskofdea
3、thorseriousinjuryby70%ormoreduringanautoaccident. Seatbeltshaveexistedindifferentformssincetheearlydaysofautomobiles,andtheyhavechangedfromasinglelapbelttothethree-pointseatbeltweusetoday.In1911thefirstairplaneseatbeltwasinstalled.Then,inthe1920’stheywereusedinracecars.Bythe1930s,agro
4、upofAmericanphysicianscreatedlapbeltsfortheirownvehiclesandurgedvehiclemanufacturerstoprovideseatbeltsonallvehicles. Dr.C.HunterSheldenmadeamajorcontributiontooursafetywithhisarticleintheNovember5,1955JournaloftheAmericanMedicalAssociation(JAMA).Hestronglyencouragedthemanufactureandus
5、eofdoorlocks,airbags,andretractable(伸缩式的)seatbelts,liketheonesweusetoday.Themodernthree-pointseatbelt,includingalapbeltandashoulderbelt,wasintroducedasstandardequipmentonVolvocarsin1959. In1970,thestateofVictoriainAustraliamadethewearingofaseatbeltcompulsoryforeverycardriverandfront-s
6、eatpassenger.Todaymanycountrieshavealsomandated(授权)theuseoffive-pointsafetyharnessesforcarefullydesignedchildsafetyseatsthatcanprotectachildduringaseriouscaraccident. AnairbagisaSupplementalRestraintSystem,orSRS,andconsistsofarapidlyinflatablerestraintcushionthatworkstogetherwithaseat
7、belttoprotectyouduringacollision.Moderncarsoftencontainseveralairbagsinvariouslocations.Sinceairbagscanonlyinflateonceandwillquicklydeflateaftertheinitialimpact,theywillnotprovideanyprotectionforyouduringasecondarycollision. Theinflationofairbagcanprotectorhurtyou.Theriskzoneforadri
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