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單項選擇題

The International Loadline Certificate is a document indicating （）of the various loadlines of the vessel.

A.functions
B.importances
C.actions
D.positions

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單項選擇題

This Certificate will remain in force until May 1,2009.This Sentence refers to （） of the Certificate.

A.the validity
B.the time
C.the date
D.the issue