检修前的准备工作有( )。
A．设置应急指挥部
B．制定检修方案
C．检修前进行安全教育
D．检修前检查
参考答案：B,C,D
卜甲
—Dad, I'm not sleeping well these days.
—_____.
—OK, I'll do that.[ ]
A. That sounds like a good idea
B. Really? You should go to see the doctor
C. I really want to win the prize
D. I am glad to hear that
