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阅读理解ThefirstbullettraindesignedandmanufacturedinChinawithaspeedof300kilometersperhourrolledofftheproductionlineonSaturdaymorning.Thetrainwasthelatestmodelinthe
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(1)

阅读理解

ThefirstbullettraindesignedandmanufacturedinChinawithaspeedof300kilometersperhourrolledofftheproductionlineonSaturdaymorning.Thetrainwasthelatestmodelinthecountry'sChinaRailwayHigh-speed(CRH)Series.ThismarksthatChinahasjoinedaleadingworldclubafterJapanFranceandGermanytobecomethefourthcountrycapableofturningoutsuchhighspeedtrains.PreviouslyChina'sfastestself-developedtrainsranataservicespeedofupto250kmperhour.

ThosetrainswhichpresentedtopubliconApril18servedtheBeijing-HarbinBeijing-ShanghaiandBeijing-Guangdongroutes.Thenewstreamlinedtrainwasmadeofaluminumalloy(铝合金).Thetrainbodywasthelightestofitskindintheworld.Suchadesignwasforthesakeofenergyeconomization.Thetrain'spowerwas12.7kilowattslowerthanotherhigh-speedtrainswhichwasnormallyabout15kilowatts.

Thenewtrainwhichfeaturesabarinthedinnercaranddouble-facedLCDTVscreensinthefirst-classcarswasequippedwithshockabsorbersbetweencarriages.Asthetrainisrunningatahighspeedtheshockabsorbersareusedtoreduceshockingforceandrockingofthetrainbody.(Atrainwitheightcarriagescouldseatabout600passengers.Theywereexpectedtorunonthe115-kmBeijing–TianjinroutestartingfromAugustbeforetheBeijingOlympicGames.)Itwouldreducethejourneytimefromthecurrent80minutestoaround39minutes.

Fromthe1stparagraphwelearnthat________.

[]

A.

thelatestmodelofCRHSeriesranataservicespeedofupto250kmperhour

B.

Chinabecamethefourthcountryintheworldtoproducebullettrainsofsuchahighspeed

C.

thefirstself-developedbullettrainrolledofftheproductionlineataspeedof300kmperhour

D.

Chinahasjoinedalead

梁永东回答:
  答案:1.B;2.A;3.D;4.A;
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