资源描述：
《2018-2019学年高二英语 寒假作业 第十七天》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、第十七天单项选择1、Thoughthey’retwins,theyhavenothingin______withone________.A.mons;another B.mon;anotherC.mon;other D.mons;other2、It’ssaidthatthepowerplantisnow largeaswhatitwas.A.twiceas B.astwice C.twicemuch D.muchtwice3、Manyairlinesnowallowpassengerstopr
2、inttheirboardingpassesonline___________theirvaluabletime.A.save B.saving C.tosave D.saved4、JohnandI_______friendsforeightyears.WefirstgottoknoweachotherataChristmasparty.Butwe_______eachotherseveraltimesbeforethat.A.hadbeen;haveseenB.havebeen;haveseenC.hadbeen;hadseenD
3、.havebeen;hadseen5、Hefound________almostimpossibletoexpresswhathewantedtosay.A.that B.this C.it D.one阅读理解6、 Imagine,oneday,gettingoutofbedinBeijingandbeingatyourofficeinShanghaiinonlyacoupleofhours,andthereafterafulldayofwork,goingbackhometoBeijingandhavingdin
4、nerthere. Soundsunusual,doesntit?Butit’snotthatunrealistic,withthedevelopmentofChina'shighspeedrailwaysystem.Andthat’snotall.Chinahasanevengreaterhigh-speedrailwayplan----toconnectthecountrywithSoutheastAsia,andeventuallyEasternEurope. Chinaisnegotiatingtoextenditsownhigh-spee
5、drailwaynetworktoupto17countriesin10to15years,eventuallyreachingLondonandSingapore.Chinahasproposedthreesuchprojects.ThefirstwouldpossiblyconnectKunmingwithSingaporeviaVietnamandMalaysia.AnothercouldstartinUrumqiandgothroughKazakhstanandUzbekistan,andpossiblytoGermany.Thethirdwoulds
6、tartinthenortheastandgonorththroughRussiaandthenintoWesternEurope. IfChina'splanforthehigh-speedrailwaygoesforward,peoplecouldzipoverfromLondontoBeijinginundertwodays.ThenewsystemwouldstillfollowChina'shigh-speedrailwaystandard.Andthetrainswouldbeabletogo346kilometersanhour,almos
7、tasfastassomeairplanes.China'sbullettrain(高速客车),theoneconnectingWuhantoGuangzhou,alreadyhastheworld'sfastestaveragespeed.Itcovers1,069kilometersinaboutthreehours.Ofcourse,therearesometechnicalchallengestoovere.Therearesomanyissuevsthatneedtobesettled,suchassafety,railgauge(轨距),maint
8、enanceofrailwaytrac
