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單項選擇題

In battery charging rooms，ventilation should be provided（）.

A.at the lowest point
B.near the batteries
C.at the highest point
D.only when charging is in progress

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單項選擇題
If passengers are on board when an abandon ship drill is carried out，they should（）.
A.take part
B.watch
C.go to their quarters
D.stay out of the way and do what they want
單項選擇題
I would be very much（）if you could arrange for a radio technician to come on board as soon as possible for my radar repair.
A.obliged
B.obliging
C.oblige
D.being obliged

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