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ID:21252473
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页数:5页
时间:2018-10-20
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1、Afteryearsofresearchandtesting阅读答案 Afteryearsofresearchandtesting,thehybridcarwasdevelopedandputonthemarket.It’saninterestingandexcitingnewimprovementintoday’sworldaswelookforbetterwaystoprotectthequalityoftheairwebreatheandconserveournaturalresources. Thequalityofourairisaffectedbymanyd
2、ifferentthings.Butoneofthelargestsourcesofairpollutionistheburningoffossilfuelssuchascoalandgasolinewhichisusedtopoweracar’sengine.TheEPAhassetnationalstandardstohelpcontrolthelevelofharmfulpollutantssentoffintotheair,andtheautomobileindustryhasactedbyproducingahybridcarthatuseslessgasandt
3、hereforecauseslesspollution. Ahybridcarisacombinationofaregularcarthatrunsongasolineandanelectriccarthatisbatterypowered.Somepeopletendtothinkthatsincethehybridcarispartiallyelectric,youhavetoplugitintochargeit.Butthat’snothowitworks.The144voltbatterypackisactuallyrechargedthroughtheener
4、gythatisproducedwhenthecar’sbrakesareused.Thisisreferredtoas“regenerativebraking”,becauseitgenerateselectricity. Althoughthehybridcarstillrunsongasolinemostofthetime,thishelpsituselessgasthanaregularcar.Whenthedriverstopsatatrafficlight,theengineautomaticallyshutsofftosavefuel.Then,assoon
5、asthedriverputsthecaringearandtouchesthegaspedal,theenginestartsbackup. Haveyoueverriddeninacarwithsomeonewhoranoutofgas?Thatprobablywouldn’thappenifyouwereridinginahybridcar.Itflashesawamingonitscomputerscreenthatsays,“Iamlowongas”.Whenitcompletelyrunsout,thewarningreads,“YOUARENOWOUTOFG
6、AS!”Thentheelectricpowersupplykicksintoletthedrivertravelafewmoremilestoagasstation. [语篇解读]本文主要介绍了一种新型汽车hybridcars的优点和生产这种汽车的原因。 1.Whichofthefollowingistrueaccordingtothepassage? A.Thehybridcarwillbeputonthemarket. B.Hybridcarsrunfasterthanregularcars. C.Whenthehybridcarstopsatatraffi
7、clight,thedriverwillgetawarning. D.Theburningoffossilfuelsisoneofthelargestsourcesofairpollution. [解析]细节判断题。根据第二段的“Butoneofthelargestsourcesofairpollutionistheburningoffossilfuelssuchascoalandgasolinewhichisusedtopoweracar’sengine.”可知答案。 [答案]D 2.Accordingt
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