單項選擇題

Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.

A.Each vessel should show sidelights
B.Each vessel should show at least one white light
C.The barges should be lighted as separate units
D.The barges should be lighted as one vessel

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單項選擇題

The type of fog that occurs on clear nights with very light breezes and forms when the earth cools rapidly by radiation is known as（）.

A.Radiation fog
B.Frontal fog
C.Convection fog
D.Advection fog

單項選擇題

The two vessels underway may collide with（），if they don’t take immediate measures.

A.One to another
B.One the other
C.Each the other
D.Each other

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Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.

你可能感興趣的試題

The type of fog that occurs on clear nights with very light breezes and forms when the earth cools rapidly by radiation is known as（）.

The two vessels underway may collide with（），if they don’t take immediate measures.

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精