孔雀石对人的危害
孔雀石绿虽然能治疗鱼病,但它危害人类健康,是禁渔药。()
孔雀石绿虽然能治疗鱼病,但它危害人类健康,是禁渔药。()
A.CO被人体大量吸入后会使人感觉恶心、头晕及疲劳,严重时会使人窒息死亡
B.碳氢化合物对人的眼、鼻和咽喉粘膜有较强的刺激作用,严重时可致癌
C.NO2是一种刺激性很强的污染物,它能刺激眼.鼻粘膜,麻痹嗅觉
D.汽车尾气中直接排出的氮氧化物基本上是NO2
B、45 minutes at normal fuel consumption in addition to the fuel required to fly to and land at the most distant alternate airport.
C、45minutes at normal Fuel consumption in addition to the fuel required to the alternate airport.
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