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單項選擇題

The crude oil overflowed from measuring-hole due to（）the valve of No.1 tank.

A.not close
B.not closing
C.not have closed
D.no closing

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The current rates（）excess of 2 kn may occur with prolonged strong winds.

A.by
B.with
C.on
D.in

單項選擇題

The damage was caused（）the stevedores.

A.for
B.by
C.at
D.in

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