97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

<abbr id="g9buy"></abbr>

<pre id="g9buy"><strong id="g9buy"></strong></pre>

<em id="g9buy"></em>

<dl id="g9buy"></dl>

<sup id="g9buy"><pre id="g9buy"><div id="g9buy"></div></pre></sup>

單項(xiàng)選擇題

At night，a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two（）.

A.red lights
B.red lights and two white lights
C.red lights with a white light in between
D.white lights with a red light in between

你可能感興趣的試題

單項(xiàng)選擇題

As a vessel falls off the wind from close-hauled to a beam reach，the tendency for the vessel to move sideways through the water will（）.

A.increase
B.decrease
C.change only if the vessel comes about on the opposite tack
D.not change

單項(xiàng)選擇題

As a ship moves through the water，it drags with it a body of water called the wake. The ratio of the wake speed to the ship’s speed is called（）.

A.propeller velocity
B.speed of advance
C.wake distribution
D.wake fraction

<b id="tjlna"><strike id="tjlna"></strike></b>

<ruby id="tjlna"><xmp id="tjlna"></xmp></ruby>