单项选择题
The ship should reduce speed in().
A.the poor visibility B.the good night C.the fast speed D.the good sight
单项选择题 The ship should reduce speed in the thick fog because of().
单项选择题 The ship touched the bottom()the port side at 2000 hours.
单项选择题 The ship’s draught forward is as same as her draught aft. This condition is named as().