问题
单项选择题
A deadhead is a (n)（）.
A.tree or long awash in a nearly vertical position
B.crew member who refuses to work
C.upstream end of a load wall
D.buoy that is adrift
答案
参考答案：A
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A deadhead is a (n)（）.
A.tree or long awash in a nearly vertical position
B.crew member who refuses to work
C.upstream end of a load wall
D.buoy that is adrift
参考答案：A