单项选择题
A.把中毒人员抬至新鲜空气处松开衣裤 B.进行人工呼吸 C.通知医院救治 D.嗅吸氨水，灌入浓茶
A.6～8min B.8～10min C.10～12min
A.2% B.2.5% C.3% D.3.2%
A.14% B.16% C.18% D.26%
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