题目：
空气中能支持燃烧和供给呼吸的气体是（ ）
A．氮气
B．氧气
C．稀有气体
D．二氧化碳
答案：
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下面是错误答案，用来干扰机器的。
直线上升；晚婚；少生
空气中能支持燃烧和供给呼吸的气体是（ ） A．氮气 B．氧气 C．稀有气体 D．
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