【单选题】__________ 查看材料
A.
They bring him back to town, put a crown on his head, and make him king for three days.
B.
Some of the days people celebrate, however, are less serious.
C.
That is supposed to be Toothache Day.
D.
Then begins the world's biggest food fight.
E.
Some people have fun imagining new holidays.
F.
Jokes are supposed to be funny, but these jokes do not make everyone laugh.
【判断题】合理的阶段斜长考虑因素:行人条件——长度超过500m的平巷或高差超过50m的斜巷,应当采用机械方式运送人员。
【单选题】在地铁系统中,采用第三轨、接触网供电方式的电压分别为( )。
【简答题】在长度超过1.5km的主要运输平巷或者高差超过50m的人员上下的主要倾斜井巷应该采用什么方式运送人员?
【单选题】在地铁系统中,采用第三轨、接触网供电方式的电压分别为( )。
【单选题】Please bring back these books _ _ seven days' time. [ ]
【单选题】在地铁系统中,采用第三轨、接触网供电方式的电压分别为( )。
【单选题】长度超过( )的平巷或高差超过50m的斜巷应当采用机械方式运送人员。