Before wore is commenced（）the officer responsible should ensure that power is shut off and warning notices posted on the bridge and in the machinery spaces.<br>A:near the ship’s whistle<br>B:on the funnel<br>C:in the vicinity of radio aerials<br>D:near the radar scanner

Before wore is commenced（）the officer responsible should ensure that power is shut off and warning notices posted on the bridge and in the machinery spaces.
A:near the ship’s whistle
B:on the funnel
C:in the vicinity of radio aerials
D:near the radar scanner

出自：海船船员证

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