审批动火应考虑两个问题：（）
A.动火设备本身，
B.动火的周围环境，
C.动火人员素质。
参考答案：A, B
Last year, my brother , who is a software developer, earned ______ my sister, a teacher in a senior middle school.
A twice as many as B as many as twice C twice as much as D as much as twice
皋陶是什么时代的人物？（）
A、夏朝
B、尧舜时期
C、隋朝
D、北魏
