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【简答题】
路基排水的目的是使路基常年处于_________和____________状态,以确保路基路面具有足够的强度与稳定性。
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【单选题】This is a temporary stop. It stays for 10 minutes. Please don’t get ______the train.
A.
off
B.
on
C.
of
D.
in
【简答题】Dear passengers, this is a temporary stop.
【单选题】This is a temporary stop. Due to the thunder, we couldn’t get the ______light signal in front of us.
A.
whistle
B.
signal
C.
red
D.
green
【简答题】十进制数125.75转换为十六进制数为()。
【单选题】Please don’t worry, this is a temporary stop, the train will arrive ______.
A.
on schedule.
B.
ahead of schedule
C.
ahead of time
D.
in advance.
【简答题】This is a temporary stop. It stays for ... minutes. Please don’t get off the train.
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