單項(xiàng)選擇題

Never make comment, estimate or guess in your logbook, but（）only.

A.the specifications
B.the facts
C.the descriptions
D.the details

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單項(xiàng)選擇題

No oil or mixture containing oil（）into singapore waters from any vessel.

A.shall noe be discharged
B.shall be discharged
C.shall be filled
D.shall noe be filled

單項(xiàng)選擇題

Nylon line can be dangerous because it（）.

A.breaks down when wet
B.kinks be discharged
C.is not elastic
D.stretches