单项选择题
他们工作四小时，休息八小时。（）
A. They work four hours and have four hours for rest.
B. They work eight hours and have four hours for rest.
C. They work four hours and have eight hours for rest.
D. They work eight hours and have eight hours for rest.
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相关考题
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单项选择题
驾驶台始终有驾驶员值班。（）
A. Sailors are always on watch on the bridge.
B. Deck officers are always on watch on the bridge.
C. Sailors are never on watch on the bridge.
D. Deck officers are never on watch on the bridge. -
单项选择题
后退一！（）
A. Full ahead!
B. Slow astern!
C. Half astern!
D. Dead astern! -
单项选择题
后退二！（）
A. Full ahead!
B. Slow astern!
C. Half astern!
D. Ahead three!
