The disorientation experienced by people w

多项式x³﹣3x²y﹣2x²+5共有（    ）项，其中二次项的系数是（    ）．  

用所给单词的适当形式填空。

1. We don't live in the city. We are only ______ (visit).

2. They______ (have) a great time at yesterday's party.

3. My father______ (watch) CCTV news at 7:00 pm every day,

    but yesterday he ______ (be) ill and he ______ (not watch) it.

4. ______ (fortunate), he was hurt badly.

5. —When ______ you ______ that movie? 

    —I______ it two days ago. (see)

注释一般分为序言性注释和______注释。

什么是程序配煤？

制剂配制管理文件包括（）

A.配制规程和标准操作规程

B.配制记录

C.检验记录

D.制剂质量稳定性考察记录

E.物料、半成品、成品的质量标准和检验操作规程