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

<dl id="n9rpf"></dl>

單項選擇題

An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in（）.

A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can

你可能感興趣的試題

單項選擇題

AMVER is a system which provides（）.

A.satellite communications
B.navigational information
C.weather information
D.position reporting service

單項選擇題

All towing vessels of 26 feet or longer while navigating are required to carry which item? （）

A.At least two lifeboats
B.A radiotelephone
C.A radio direction finder
D.None of the above

<ins id="m82zj"></ins>

<dl id="m82zj"></dl>