碳素工具钢和合金工具钢的特点是耐热性好，但抗弯强度高，价格便宜等。（）

用单词适当形式填空(每空只填一个单词)。

1. Keeping calm is the most important thing you should remember in time of e_______.

2. Tom d______ to be praised by the boss as he has worked so hard that nobody can imagine.

3. The news of Gaddafi's death was b______ over the radio throughout the world immediately.

4. Ann was very annoyed at his rude b______ at her birthday party.

5. I don't understand what you are saying. Would you please give me an ______(解释)?

6. After a few days of fever, she began to ______ (恢复) from it.

7. People often work out outdoors on the weekend and do something ______(挑战性的).

8. George likes living in Australia, where he had an ______ (令人愉快的) time several years ago.

9. She g_____ from Luhe No. 1 Middle School last July and then went to America for further study.

10. I felt ______ (尴尬的) about what a mess my house was.

在通信过程中遇到信号不佳时，电台值机员应该（）.

A.立即停止，以后再联系

B.主动耐心，直至通信完成

C.改用遇险频率，避免它台干扰

D.请求任意电台协助转发

1997年私营企业的注册资本为多少亿元（）

A．7671.65

B．7546.41

C．8763.05

D．8012.55

安全工器具、仪器仪表、消防器材应（）进行一次检查和清洁维护工作。

A.每半年

B.每月

C.每半个月

D.每周

我国师范教育分为两级四个层次（）和（）两级。分（）四个层次。