问题
单项选择题
A twin-screw ship going ahead on the otarboard screw only tends to move（）.
A.in a straight line
B.to port
C.from side to side
D.to starboard
答案
参考答案：B
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A twin-screw ship going ahead on the otarboard screw only tends to move（）.
A.in a straight line
B.to port
C.from side to side
D.to starboard
参考答案：B