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單項選擇題

The end of the joint with the exterior threads is called the（）.

A.pin
B.stem
C.box
D.stand

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單項選擇題

The document on a vessel，annually endorsed by an American Bureau of Shipping surveyor，is called the（）.

A.Certificate of Inspection
B.Classification Certificate
C.Load Line Certificate
D.Seaworthy Certificate

單項選擇題

The conclusion is（）the said ship is fit to continue to sail.

A.it
B.this
C.that
D.what

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