问题
单项选择题
Which of the following equipment is for protection against hypothermia?（）
A.Safety helmets
B.Buoyancy aids
C.Breathing apparatus
D.Immersion suits
答案
参考答案：D
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Which of the following equipment is for protection against hypothermia?（）
A.Safety helmets
B.Buoyancy aids
C.Breathing apparatus
D.Immersion suits
参考答案：D