单项选择题

The ship which strikes any other vessel is called the（）.

A.Ship in the wrong
B.Responsible vessel
C.Vessel to be responsible
D.Wrong ship

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单项选择题

The self-contained breathing device should not be used in which situation（）.

A.Oxygen deficient spaces
B.Compartments containing poisonous vapors
C.Fighting fires that produce heavy smoke
D.Underwater search

单项选择题

The rescuer can best provide an airtight seal during mouth-to-mouth resuscitation by pinching the victim’s nostrils and（）.

A.Cupping a hand around the patient's mouth
B.Keeping the head elevated
C.Applying his mouth tightly over the victim's mouth
D.Holding the jaw down firmly

单项选择题

The key to rescuing a man overboard is（）.

A.Good communication
B.A dedicated crew
C.Good equipment
D.Well-conducted drills