问题
单项选择题
Owing to the big draft，the ship is not permitted to go alongside until the time of（）.
A.ebb tide
B.flood tide
C.spring tide
D.slack water
答案
参考答案：C
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Owing to the big draft，the ship is not permitted to go alongside until the time of（）.
A.ebb tide
B.flood tide
C.spring tide
D.slack water
参考答案：C