所有生产经营单位都必须将单位的重大危险源报当地人民政府负责安全生产监督管理的部门备案。
参考答案：对
用括号里的词的适当形式填空。
1. Since I was born, my family _____________ (live) in this village.
2. During the past five years, great changes ______________(take) place in our hometown.
3. I saw a dog ______________ (lie) on the ground at that time.
4. - she ____________ (finish) reading the storybook yet?
-No. She _____________(finish)it in 2 days.
5. Neither Jane nor Tom _____________(see) it so far.
6. You will have no trouble ______________( find) rice, noodles or dumplings.
7. The flowers start (come)out in spring.
0.9乘5再加上11.2除以1.4的商。和是多少？
