在使用电磁打点计时器时[ ] A．每打完一列点就要切断电源

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问题不定项选择

在使用电磁打点计时器时[ ]

A．每打完一列点就要切断电源

B．不要移动圆形复写纸片的位置

C．纸带一定要从两限位孔穿过，并且压在复写纸下面

D．侧向移动限位孔，在一条纸带上可以打出两列点，提高纸带的利用率

答案

ACD

填空题

用括号里单词的适当形式填空。

1. He is (real) a good teacher in our school.

2. He made faces (make) us laugh.

3. He was the one who did the (little) of the work and got the most of the money.

4. - you (be) to the hospital yet?

-Yes，I (go)to see him this morning and he (give) me some medicine.

5. What can you do (show) courage and strength?

6. It'll be much (easy) if you think of it in another way.

7. It’s better to give than (receive).

8. Would you mind (not play) balls here?

单项选择题 A1/A2型题

自安瓿内抽吸药液，下列操作错误的是（）。

A.将安瓿尖端药液弹至体部

B.用酒精棉签消毒安瓿颈部及砂轮

C.将注射器针尖斜面向下，放在安瓿内液面下

D.手握活塞，进行吸药

E.用砂轮在安瓿颈部划一锯痕，重新消毒再折断安瓿