欢迎来到天天文库
浏览记录
ID:62132406
大小:4.11 MB
页数:58页
时间:2021-04-18
《最新急救护理学绪论_1493247291-药学医学精品资料.ppt》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、最新急救护理学绪论_1493247291-药学医学精品资料In1863thefirstundergroundpassengerrailwayintheworldopenedinLondon.Itranforjustundersevenkilometersandallowedpeopletoavoidterrible61__________(crowd)ontheroadsaboveastheytravelledtoand62_________work.Ittookthreeyearstocompleteandwasbuiltusinganinteresti
2、ngmethod.crowdsfromThisincludeddigginguptheroad,63___________(lay)thetrackandthenbuildingastrongroofover64________top.Whenallthosehadbeendone,theroadsurfacewasreplaced.Steamengines65___________(use)topullthecarriagesanditmusthavebeen66___________(fair)unpleasantlayingthewereusedfa
3、irlyforthepasssengers,withallthesmokeandnoise.However,therailwayquicklyprovedtobeagreatsuccessandwithinsixmonths,morethan25,000peoplewereusing67_______everyday.Later,engineers68_______________(manage)toconstructrailwaysinasystemofdeeptunnels(隧道),itmanagedwhichbecameknowntothetube.
4、Thisdevelopmentwasonlypossiblewiththe69______________(introduce)ofelectric-poweredenginesandlifts.ThecentralLondonRailwaywasoneofthemost70____________(success)ofthesenewlines,andwasopenedin1900.Ithadwhite-paintedtunnelsandbrightredcarriages,introductionsuccessfulandprovedextremely
5、popularwiththepublic.
此文档下载收益归作者所有