The fire drill must, as far as practicable, be conducted if （）.<br>A:there is a minor emergency<br>B:there is an actual emergency<br>C:there were a minor emergency<br>D:there were an actual emergency

The fire drill must, as far as practicable, be conducted if （）.
A:there is a minor emergency
B:there is an actual emergency
C:there were a minor emergency
D:there were an actual emergency

出自：海船船员证

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