邻近铁路营业线进行开挖路基、路基注浆、基桩施工等影响路基稳定的施工,列为()类施工,必须纳入铁路局月度施工计划。
A.A
B.B
C.C
D.D
参考答案:A
— His father used to be the mayor of the city.
— _____. What is important is whether he has the ability to do the job well. [ ]
A. It's up to you
B. That depends
C. Not at all
D. That's not the point
小静在一条小河里游泳,第一次顺水游了48.0米,逆水游了800米,共用2小时;第二次用同样的时间顺水游了24.0米,逆水游了1400米。问小河的水流速度是多少( )
A.1500千米/小时B.1000米/小时C.2千米/小时D.1.5千米/小时