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

<sup id="9ft0y"><legend id="9ft0y"><div id="9ft0y"></div></legend></sup>

單項(xiàng)選擇題

The ship should reduce speed in the thick fog because of（）.

A.the poor visibility
B.the fog signals
C.the fast speed
D.the good sight

你可能感興趣的試題

單項(xiàng)選擇題

The ship touched the bottom（）the port side at 2000 hours.

A.on
B.at
C.in
D.to

單項(xiàng)選擇題

The ship’s draught forward is as same as her draught aft. This condition is named as（）.

A.even keel
B.even trim
C.even draught
D.even float