单项选择题
If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm，you should（）.
A.start the fire pump B.go to your man overboard station C.go to your lifeboat station D.stand by for collision
单项选择题 Line throwing equipment should not be operated（）.
单项选择题 When launching a lifeboat in the rough sea，the davit gears should be released（）.
单项选择题 Your vessel has lifeboats on both sides. Lifeboat No. 2 is located（）.
