4x-8=28.
4x-8=28,
4x-8+8=28+8,
4x÷4=36÷4,
x=9.
用place构成的短语的适当形式填空
1. Nowadays we often use plastics wood or metal.
2. Your remarks were a bit .
3. Nylon has cotton in making some textiles(纺织品).
4. I don't think your proposal quite .
5. When all the people , the professor began his speech.
危险化学品生产、储存企业以及使用剧毒化学品和数量构成重大危险源的其他危险化学品的单位,应当向()负责危险化学品登记的机构办理危险化学品登记。
A.国务院经济贸易综合管理部门
B.国务院行政管理部门
C.设区的市级交通部门
D.设区的市级行政管理部门