你可能感興趣的試題

The mariner must be the final judge of the reliance he can place on the information given in the Admiralty charts and other publications,since they（）.

A.may always be complete and up-to-date
B.may not always be complete and up-to-date
C.may sometimes be complete and up-to-date
D.may not sometimes be complete and up-to-date

單項選擇題

A light is（）from Changshanzui,the SE extremity of the island.

A.exhibited
B.established
C.constructed
D.built