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

<track id="er59d"></track>

<ruby id="er59d"><output id="er59d"></output></ruby><pre id="er59d"><strong id="er59d"></strong></pre>

<ruby id="er59d"><output id="er59d"></output></ruby>

<pre id="er59d"></pre>

單項(xiàng)選擇題

Never operate hatch covers when the ship is（）.

A. in port
B. anchoring
C. rolling or pitching
D. at sea

你可能感興趣的試題

單項(xiàng)選擇題

You are responsible for （）hatches today.

A.close
B.toclose
C.closing
D.closed

單項(xiàng)選擇題

The ship may （）to one side seriously.

A.pitch
B.roll
C.list
D.upset

<ruby id="tjugb"><output id="tjugb"></output></ruby>