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


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1.單項選擇題Storage batteries should be charged in a well ventilated area because().

A.they generate heat
B.they emit hydrogen
C.of the toxic fumes they emit
D.they recharge faster in a well ventilated space

2.單項選擇題Since electrical burn victims may be in shock,the FIRST medical response is to check for()

A.indication of broken bones
B.breathing and heartbeat
C.symptoms of concussion
D.bleeding injuries

3.單項選擇題Since accumulations of H2S gas on a ship can be dangerous to personnel,it is important to know that H2S gas is().

A.lighter than air
B.heavier than air
C.a yellow gas that is easily recognized
D.mildly toxic

4.單項選擇題Severe exposure to chlorine gas can be fatal. Chlorine gas is primarily a().

A.respiratory irritant
B.skin burning agent
C.blood poisoning agent
D.nerve paralyzing irritant

5.單項選擇題Segregation of cargoes refers to().

A.separating cargoes so that the inherent characteristics of one cannot damage the other
B.separating cargoes by destination
C.classifying cargoes according to their toxicity
D.listing the cargoes in order of their flammability