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

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

<ins id="pvrva"></ins>

單項(xiàng)選擇題

From your position you observe a rotating white and green light to the north. This light is most likely（）.

A.at an airport
B.on a naval mine-countermeasures vessel
C.Block Island North Light
D.on a vessel engaged in public safety activity

你可能感興趣的試題

單項(xiàng)選擇題

From which type of cloud can a tornado or waterspout develop?（）

A.Nimbostratus
B.Altostratus
C.Cumulonimbus
D.Cirrus

單項(xiàng)選擇題

Freeboard is measured from the upper edge of the（）.

A.bulwark
B.deck line
C.gunwale bar
D.sheer strake