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

<ruby id="llpug"><small id="llpug"></small></ruby>

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

單項(xiàng)選擇題

Vessels are required to illuminate their（）to aid identification.

A.funnels
B.tunnels
C.channels
D.handles

你可能感興趣的試題

單項(xiàng)選擇題

Vessels ramaining（）a few hours should moor with anchors.

A.much than
B.more than
C.many than
D.lot than

單項(xiàng)選擇題

Vessels should be manned（）duly qualified officers and crew adequate（）ensure the safety of navigation.

A.by/to
B.with/to
C.with/for
D.from/for

<ruby id="9pqkg"><xmp id="9pqkg"></xmp></ruby>

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

<dd id="9pqkg"></dd>

<ruby id="9pqkg"><output id="9pqkg"></output></ruby>