(1).粉碎粒径可达5μm左右(2).可用于粉碎粘性物料(3).可用于无菌

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问题比较题

(1).粉碎粒径可达5μm左右
(2).可用于粉碎粘性物料
(3).可用于无菌粉碎
(4).可用于粉碎硬的矿物药料

A.流能磨

B.超微粉碎机

C.二者均是

D.二者均不是

答案

参考答案：C,B,A,C

填空题

用所给动词的适当形式填空。

1. They________(not have) any classes next week.

2. We needn't________(go) to school, and we will study on computers.

3. This land of robots will be fun________(watch).

4. He thought that computers would never________(use) by most people.

5. We are able_________(have) our own robots.

6. Scientists are now trying to make robots________(look) like people.

7.It will be difficult for a robot________(do) the same things as a person.

8.Would you like________(do) such jobs?

9. In the future, there________(be) more robots everywhere.

10. After an efuthquake, a snake robot could help_________(look) for people under buildings.

单项选择题

斜线里的字体大小在哪里定义（）

A.单元属性中

B.报表属性中

C.行列属性中

D.定义斜线中