单项选择题
A.rising temperatures and falling barometric pressure B.falling temperature and pressure C.falling temperatures and rising pressure D.rising barometric pressure and temperatures
As defined in the regulations governing marine casualti...
单项选择题As defined in the regulations governing marine casualties a “marine employer” may be the（）.
A.owner B.agent C.Master D.All of the above
As compared to carbon dioxide，dry chemical has which ad...
单项选择题As compared to carbon dioxide，dry chemical has which advantage?（）
A.Cleaner B.Effective on metal fires C.Greater range D.More cooling effect
As a vessel changes course to starboard，the compass car...
单项选择题As a vessel changes course to starboard，the compass card in a magnetic compass（）.
A.remains aligned with compass north B.also turns to starboard C.first turns to starboard then counterclockwise to port D.turns counterclockwise to port
