下列职务必须由实行区域自治的民族公民担任的是：A．自治区人大常委会主任 B．自治州党

词汇

1. The children are making so much       (声音) outside. Please tell them to be quiet.

2. As we all have grown up, we should learn to look after       (自己).

3. Your mother is so tired that she falls       (睡着的) sitting in her chair .Don't wake her up.

4. I want to visit the Summer Palace. It's a pleasure to walk slowly around the big lake and feel the       (美丽) of the old park.

5. -Ann, I am worried I'm getting fatter. What shall I do?

    -I think you should eat       (少) food and do more exercise.

6. You'll feel much       if you do more exercise. (健康)

7. His sudden      (死亡) surprised his friends.

8. My office is just on the      (five) floor of the building, so I don't go up and down in a lift.

9. Our government has realized the       (important) of education and decided to spend more money on it year by year.

10. The baby stopped       (cry) at once and began to laugh when she saw her mother.

11. There are so many people in the centre of the city at weekends. I would rather stay at home than    (go) shopping.

12. It's pleasant to live in      houses near the sea.(wood)

13. Thank you for       (agree) to let me go on the trip.

14. Wolves are in danger because of the      (lose) of their living areas.

15. The children screamed with      (excite)when they saw their favourite characters.

从1至10十个整数中，选出5个数A，B，C，D，E满足下面6个条件；

（1）D比6大；

（2）D能被C整除；

（3）A与D的和等于B；

（4）A，C，E三数之和等于D；

（5）A与C的和比E小；

（6）A与E的和比C与5的和小．

找出所有解答．

为了书写方便，A=1，B=7，C=4，D=2，E=10（不是解答）可简写在（1，7，2，4，10）．

回忆

正常分蘖发生的规律是当主茎长出第7片叶时，主茎长出（）。

关于放射防护的目的与原则，说法错误的是（）。

A.防止有害的确定性效应

B.限制非随机性效应

C.个人剂量的限制

D.实践的正当化

E.放射防护的最优化