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

<source id="9cspc"></source>

<ruby id="9cspc"><small id="9cspc"></small></ruby>

<pre id="9cspc"><acronym id="9cspc"></acronym></pre>

<ruby id="9cspc"><small id="9cspc"><sup id="9cspc"></sup></small></ruby>

<ruby id="9cspc"><small id="9cspc"><sup id="9cspc"></sup></small></ruby>

單項選擇題

What kind of products do the air carriers deliver? （）

A.The high value
B.Low density or weight
C.A and B
D.Shortest time to transport

你可能感興趣的試題

單項選擇題

What is the disadvantage for air transportation?（）

A.Quick but not safe
B.Less frequency
C.It can’t lift heavy goods
D.The highest cost in all transport modes

單項選擇題

What is the meaning of “short hauls”?（）

A.Near way
B.The distance is not long
C.Direct line
D.Short road

<ins id="tlnb0"></ins>

<ins id="tlnb0"></ins>

<strong id="tlnb0"></strong>