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單項選擇題

Fire drill is carried out once a （）.

A.year
B.day
C.week
D.month

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單項選擇題

Any emergency pump situated （）machinery space should also be started.

A.outside
B.under
C.beside
D.besides

單項選擇題

On hearing the fire signal, the crew should proceed immediately to （）their assigned duties.

A. carry on
B. put out
C. carry out
D. take off

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