问题
单项选择题
Inflatable liferafts are less maneuverable than lifeboats due to their（）.
A.shape
B.shallow draft
C.large sail area
D.All of the above
答案
参考答案：D
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Inflatable liferafts are less maneuverable than lifeboats due to their（）.
A.shape
B.shallow draft
C.large sail area
D.All of the above
参考答案：D