C:SO2与水反应生成H2SO4
A:SO2是硫及某些含硫化合物在空气中燃烧的产物
B:SO2具有漂白性,可以使品红溶液褪色
D:SO2既有氧化性又有还原性
Farah became pale after going to her father because________.
计算:312-48