speedRailway的精选

问题详情：The2,298-kilometerBeijing-GuangzhouHigh-speedRailway___41___(official)openedtopassengersonDecember26，2012.Itistheworld’slongesthigh-speedrailroute.The___42___(design)speedofthetrackis350kilome...

问题详情：Thehigh-speedrailway_________Shanghai_________Nanjingmakesourtravelfasterandmorecomfortable.A．connecting,from                                      B．connect...