相关考题
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单项选择题
Officers use sextants to observe （）.
A. stars
B. celestial bodies
C. the sun
D. the moon -
单项选择题
The telegraph is the（）(设备)that connects the engine room and the bridge.
A.gear
B.equipment
C.engine
D.sextant -
单项选择题
The captain wants to see the （）.
A. chief officer
B. second officer
C. third officer
D. carpenter
