无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<xmp id="vfqk4"></xmp>

<pre id="vfqk4"></pre>

<xmp id="vfqk4"></xmp>

<nobr id="vfqk4"></nobr>

<optgroup id="vfqk4"><b id="vfqk4"><nobr id="vfqk4"></nobr></b></optgroup>

單項選擇題

When a pushing vessel and a vessel（）ahead are rigidly connected in a composite unit they shall be regarded as a power-driven vessel.

A.is pushed
B.being pushed
C.was pushed
D.be pushed

你可能感興趣的試題

單項選擇題

When a vessel is aground,（）.

A.she is underway
B.she is not underway
C.whether she is underway cannot be determined
D.she might be or not be underway

單項選擇題

When did you check the contents of C0₂ cylinders（）.

A.by counting
B.by calculating
C.by weighing
D.by filling

<track id="qsxea"><th id="qsxea"></th></track>

<optgroup id="qsxea"><table id="qsxea"></table></optgroup>