在高炉冶炼过程中，鼓风中带入的（）与焦炭发生燃烧反应，生成煤气。
A.热量
B.O2
C.N2
参考答案：B
The owner of the mine was __________ to twenty years because he had broken the law to employ
children as miners.[ ]
A. sentenced
B. trapped
C. sheltered
D. buried
执法部门应当根据文化市场行政处罚执法主体的变动，及时修订文化市场行政处罚自由裁量标准。（）
