问题
单项选择题
The key to rescuing a man overboard is（）.
A.Good communication
B.A dedicated crew
C.Good equipment
D.Well-conducted drills
答案
参考答案：D
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The key to rescuing a man overboard is（）.
A.Good communication
B.A dedicated crew
C.Good equipment
D.Well-conducted drills
参考答案：D