题目：
口对口人工吹气的正确动作是（）。
A、包紧病人嘴
B、吹气缓慢均匀
C、吹气时捏住病人鼻子
D、用力吹气
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B
口对口人工吹气的正确动作是（）。A、包紧病人嘴 B、吹气缓慢均匀 C、吹气时捏住病人鼻子
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