下列（）情况应当减轻或者免除处罚。A、防卫过当 B、紧急避险过当 C、中止犯 D、教唆犯

填入动词的适当形式。

1. Knives are used for _________ (cut) things.

2. Can you finish __________ (read) the book in three days?

3. The doctor was busy __________ (operate) on the boy at that time.

4. Stop _________ (talk) and listen to me carefully.

5. Thank you very much for _________ (help) us.

6. Granny is very ill and she doesn't feel like _________ (eat) anything.

7. The girl enjoys _________ (listen) to light music.

8. Do you remember _________ (buy) me a beautiful skirt on my 13th birthday?

9. We couldn't help _________ (laugh) after we heard the funny story.

10. What about __________ (go) out for a walk?

参与核小体形成的组蛋白有（）。

A.1种

B.2种

C.3种

D.4种

E.5种

时分复用是利用各路信号在信道上占用不同的时间间隔的特征来分开各路信号的。

购买别墅能否办理个人住房公积金贷款？如果可以，如何办理 

飞机气密座舱空调系统的基本组成是：（）.

A.气源、增压两个部分

B.气源、温度调节两个部分

C.气源、温度调节和增压三个部分

D.温度调节、引气制冷两个部分