單項選擇題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


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1.單項選擇題The principal personnel hazard unique to Halon extinguishers is（）.

A.displacement of oxygen
B.skin irritation
C.inhaling toxic vapors
D.eye irritation

2.單項選擇題The most effective warming treatment for a crew member suffering from hypothermia is（）.

A.running or jumping to create heat
B.lying in the sun
C.a warm water bath
D.mouth-to-mouth resuscitation

3.單項選擇題The danger associated with using carbon dioxide in an enclosed space is（）.

A.frostbite
B.skin burns
C.asphyxiation
D.an explosive reaction

4.單項選擇題The Agreement sha1l commence（）a satisfactory Medical Report by a doctor nominated by the Company.

A.on the part of
B.in lieu of
C.subject to
D.in accordance with

5.單項選擇題Symptoms of sugar diabetes include（）.

A.increased appetite and thirst
B.decreased appetite and thirst
C.gain in weight
D.elevated temperature