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

<dl id="u932a"></dl>

<pre id="u932a"><strong id="u932a"></strong></pre>

單項(xiàng)選擇題

The sailor working aloft should wear （）.

A. safety cap
B. life jacket
C. safety harness
D. clothes

你可能感興趣的試題

單項(xiàng)選擇題

Secure your safety harness when working （）.

A.aloft
B.outboard
C.A&B
D.inboard

單項(xiàng)選擇題

Rig （）on both side of the bow.

A. the gangway
B. the paint boards
C. the pilot ladder
D. all of the above

<ruby id="qw2nd"><xmp id="qw2nd"></xmp></ruby>

<ruby id="qw2nd"><xmp id="qw2nd"></xmp></ruby><pre id="qw2nd"></pre>

<blockquote id="qw2nd"></blockquote>