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單項(xiàng)選擇題

The certificate will remain in force （）July lst,2008.

A.in
B.on
C.till
D.to

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單項(xiàng)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

單項(xiàng)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

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