单项选择题
A.initially connect the compressed air nozzle to the inflation tube B.pull the inflation lanyard C.connect the hand pump to the inflation tube and pump it up D.connect the helium nozzle to the inflation tube
The worst atmospheric condition for dispersion of H2S i...
单项选择题The worst atmospheric condition for dispersion of H2S is（）.
A.heavy rain B.gusty winds with rain C.nearly calm，clear nights or early morning D.full sun with high winds
The person assigned to command a lifeboat or inflatable...
单项选择题The person assigned to command a lifeboat or inflatable liferaft on a ship shall have a list of the persons assigned to the lifeboat or liferaft. The list shall include each person’s（）.
A.home address B.duties C.home phone number D.nearest relative's address
The operating cord on an inflatable liferaft also serve...
单项选择题The operating cord on an inflatable liferaft also serves as a（）.
A.lifeline B.painter C.drogue D.marker
