省政府安委会要求在煤矿开展“保护矿工生命、矿长守规尽责”主题实践活动中的自查整改情况要在设区市级煤矿()备案。
A、安全职能部门
B、安全监管部门
C、安全监察部门
参考答案:B
Li Ming speaks very good English _____ he were an English boy. [ ]
A. so that
B. even though
C. as though
D. now that
焊接热电偶热端接点的常用方法?