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單項選擇題

Any vessel in need of carring out deck washing must be（）by the department concerned beforehand.

A.requested
B.allowed
C.approved
D.inquired

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單項選擇題

Argon is classified as a（）.

A.corrosive
B.flammable gas
C.flammable liquid
D.nonflammable gas

單項選擇題

As a general rule, tally clerks should make their tallying（）.

A.in waerhouses
B.on deck
C.ashore
D.in the tallyroom

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