问题
单项选择题
The number of flashlights required as lifeboat equipment on a seagoing barge is（）.
A.none
B.one
C.two
D.three
答案
参考答案：A
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The number of flashlights required as lifeboat equipment on a seagoing barge is（）.
A.none
B.one
C.two
D.three
参考答案：A