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【单选题】
除救生演习外,机动救生艇人数必须有驾驶员人,轮机员人,水手人,机匠人
A.
1,1,1,1
B.
1,1,1,2
C.
1,1,3,0
D.
1,1,2,1
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B.
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A.
0.1
B.
0.2
C.
0.3
D.
0.4
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A.
A与B互不相容
B.
C.
A 与 B 相互独立
D.
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