复杂、畸形、精密工件加工定位时，应正确选定（），以便保证工件

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问题多项选择题

复杂、畸形、精密工件加工定位时，应正确选定（），以便保证工件的加工质量。

A.夹具形式

B.夹紧力

C.夹紧方式

D.定位基准

E.定位方法

F.定位元件

答案

参考答案：D, E, F

填空题

单词拼写。

1. Our monitor has learned all the words and e________by heart.

2. He stood on the hill admiring the l________.

3. During the Qingdao Beer Festival,many kinds of beers are on e________.

4. It's time to go a________the ship.

5. The spaceship is in o________round the moon.

6. The earth is a small part of the________(宇宙)．.

7. When he got the first prize in the contest,I offered my________(祝贺) on his success.

8. What________(使……感兴趣) me is the way she teaches.

9. If you can spare some time,please read more________(杰作)．.

10. He is an________(男演员) who has played the part in thirty TV plays.

多项选择题

证券公司不应在报告发布前向研究对象和公司投资银行部门提供包括（）等内容的章节。

A.研究摘要

B.投资评级

C.研究结论

D.目标价格