Unit4PublictransportBinRailwayDreams从北京到上海，只需要288分钟！中国的高铁时代已经到来，越来越多的旅客会放弃飞机而选择火车。Imagine，oneday，gettingoutofbedinBeijingandbeingatyourofficeinShanghaiinonlyacoupleofhours，andthen，afterafulldayofwork，goingbackhometoBeijingandhavingdinnerthere.Soundsunusual，doesn'tit?Butit'snotthatunrealistic，withthedevelopmentofChina'shighspeedrailwayplantoconnectthecountrywithSoutheastAsia，andeventuallyEasternEurope.Chinaisnegotiatingtoextenditsownhighspeedrailwaynetworktoupto17countriesin10to15years，eventuallyreachingLondonandSingapore.IfChina'splanforthehighspeedrailwaygoesforward，peoplecouldzipoverfromLondontoBeijinginundertwodays.ThenewsystemwouldstillfollowChina'shighspeedrailwaystandard.Andthetrainswouldbeabletogo346kilometersanhour，almostasfastassomeairplanes.Ofcourse，therearesometechnicalchallengestoovercome.Therearesomanyissuesthatneedtobesettled，suchassafety，railgauge，maintenanceofrailwaytracks.So，it'simportanttopayattentiontoeverydetail.It'llbeawinwinproject.Forothercountries，therailwaynetworkwilldefinitelycreatemoreopportunitiesforbusiness，tourismandsoon，nottomentionthebettercommunicationamongthosecountries.ForChina，suchaprojectwouldnotonlyconnectitwiththerestofAsiaandbringsomemuchneededresources，butwouldalsohelpdevelopChina'sfarwest.Weforeseethatinthecomingdecades，millionsofpeoplewillmigratetothewesternregions，wherethelandisemptyandresourcesareunused.Withhigh-speedtrains，peoplewillsetupfactoriesandbusinesscentersinthewestonceandforall.Andthey'lltradewithCentralAsianandEasternEuropeancountries.[阅读障碍词]1．unrealisticadj.不现实的，不切实际的2．negotiatevi.&vt.谈判，协商3．zipvi.疾行前往4．gaugen.轨距5．definitelyadv.确切地，肯定地6．migratevi.迁徙，移居[诱思导读]1．Whatbenefitsdoyouthinkthehighspeedrailwaysystemcanbringus?Itcancreatemoreopportunitiesforbusiness，tourism，andmakebettercommunicationandsoon.2．Arethereanyproblemsintherailwaynetwork?Pleasemakealist.Therearesometechnicalchallengestoovercome，suchassafety，railgauge，maintenanceofrailwaytracks.SectionⅠReading(Ⅰ)(Welcometotheunit&Reading)Ⅰ.匹配下列单词的词性及汉语意思()1.conveyA．adj.非常坏(或非常好、非常极端)的，令人难以置信的()2.authorityB．vt.&vi.承担，从事；承诺，答应()3.unbelievableC．n.部分；部件；部门()4.undertakeD．vt.运送，输送；表达()5.sectionE．n.权力，权威；官方，当权者；批准，授权()6.unfortunatelyF．vt.延迟，延期()7.postponeG．vi.&vt.(使)窒息；(使)哽咽；塞满，堵塞n．哽咽声，呛住的声音()8.intervalH．adv.遗憾地，不幸地，可惜地()9.chokeI．vi.&vt.扩大，扩展，增大()10.enlargeJ．n.间隔，间隙[答案]1－5DEABC6－10HFJGIⅡ.选择下列句中词组的汉语意思A．为了向……表示敬意B．连接C．导致D．起……作用E．中途下客F．捡起()1.Theyhaveplannedtolinkupthetwoareasbytelephone.()2.Thelibraryfunctionedasatemporaryhospitaltocopewiththewounded.()3.Theyheldapartyinhonourofthepresident'scominghere.()4.Eatingtoomuchsugarcanleadtohealthproblems.()5.IwouldhavepickeditupifIhadnoticedit.()6.Icandropyouoffonmywayhome.[答案]1－6BDACFEThefirstundergroundintheworldWelcometotheLondonUnderground，orasitisusuallyknown①，thetube.Ithasthedistinctionof②beingtheoldestandmostcomplexundergroundsystemintheworld.Rail(铁路)servicestoLondonwerefirstdevelopedduringthefirsthalfofthe19thcentury.However，mosttrainstoLondononlywenttotheouter(远离中心的)citylimits，becausebuildingrailwa...
