你可能感興趣的試題

The common way to obtain your ship’s position is（）.

A.keeping a close watch and lookout
B.taking a radar range and bearing
C.observing a radar target and listening to signals
D.keeping a well clear caution

單項(xiàng)選擇題

The currents are（）mosoonal origin.

A.from
B.on
C.in
D.of