單項(xiàng)選擇題

A yellow signal floating in the air from a small parachute，about 300 feet above the water，would indicate that a submarine（）.

A.has fired a torpedo during a drill
B.is about to rise to periscope depth
C.is on the bottom in distress
D.is disabled and unable to surface

你可能感興趣的試題

單項(xiàng)選擇題

Which statement is TRUE concerning the danger signal?（）.

A.When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal
B.Only the stand-on vessel can sound the danger signal
C.Distress signals may be used in place of the danger signal
D.The danger signal consists of 4 or more short blasts of the whistle

單項(xiàng)選擇題

In the safety communication，you can get your R/O（）it for you.

A.do
B.to do
C.doing
D.done

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A yellow signal floating in the air from a small parachute，about 300 feet above the water，would indicate that a submarine（）.

你可能感興趣的試題

Which statement is TRUE concerning the danger signal?（）.

In the safety communication，you can get your R/O（）it for you.

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A yellow signal floating in the air from a small parachute，about 300 feet above the water，would indicate that a submarine（）.