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單項選擇題

Stop（）the derrick at once, the gooseneck is bent.

A.to use
B.to operate
C.maneuvering
D.using

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單項選擇題

I sounded five short blasts to warn the vessel（）the immediate danger of collision.

A.of
B.off
C.to
D.with

單項選擇題

I don’t think there is too much difference between transiting Suez Canal and panama Canal（）the tonnage certificate required.

A.except
B.except that
C.beside
D.except for

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