（）the survivors known more of how to cope with cold water in the sinking of MV Titanic in 1912 countless lives（）.

单项选择题You are approaching another vessel and see that it has the signal flag “O” hoisted．What is your next action（）.

A.Proceed on present course and speed since the vessel is requesting a pilot
B.Attempt to call the vessel on VHF radiotelephone and begin a search because the vessel has a man overboard
C.Attempt to call the vessel on VHF radiotelephone because it is disabled
D.Approach with caution because the vessel is stopped and making no way through the water

单项选择题A shipmate chokes suddenly，cannot speak，and starts to turn blue. You should（）.

A.perform the Heimlich maneuver
B.make the victim lie down with the feet elevated to get blood to the brain
C.immediately administer CPR
D.do nothing until the victim becomes unconscious

单项选择题A ship must have on board a first-aid kit that is approved by the（）.

A.Minerals Management Service
B.Occupational Safety and Health Administration
C.Mine Safety and Health Administration
D.American Bureau of Shipping

单项选择题A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the trackline steamed during the night?（）

A.Williamson
B.Racetrack
C.180°turn
D.Anderson

单项选择题A seaman has a small，gaping laceration of the arm that is not bleeding excessively. What can be done as an alternative to suturing to close the wound?（）

A.Wrap a tight bandage around the wound
B.Apply a compression bandage
C.Use temporary stitches of sail twine
D.Apply butterfly strips，then a sterile dressing