理想低通信道，带宽为3000Hz，不考虑热噪声及其它干扰，若1个码元携带4bit的信

请根据句子意思，选用适当词或用所给词的适当形式填空。

1. I wish to express my __________ (appreciate) for your kindness and thoughtfulness.

2. If you’re worried about your health, share your __________ (anxious) with your doctor.

3. He __________（prefer）being treated as an ordinary worker a few years ago.

4. He who is __________ (shame) of asking cannot learn well.

5. Shanghai has         (strong) the prevention and control of pollution in the upper reaches of the Suzhou

and Huangpu rivers and in major urban districts.

6. Sports clothes are          (appropriate) for a formal wedding.

7. __________ (give) his opinion about protecting the environment, she left the meeting.

8. If Jack __________ (listen) to Miss Zhang carefully in class yesterday, he would not have missed her instructions.

9. We thought __________ illegal to sell alcohol and cigarettes to adolescents.

10. It is the greenhouse effect __________ gives the earth’s surface the average temperature of 150C.

粘末端连接的优点是操作简便且（）

A.可产生新的酶切位点

B.载体易自身环化

C.易于回收片段

D.具有方向性

E.选时更简便

《公园设计规范》中，建筑内部和外缘，凡游人正常活动范围边缘临空高差大于（）M出，均设护栏设施，其高度应大于1.05米。

A、0.8

B、1.0

C、1.2

D、1.4

某省加快发展的核心战略是（）。

A.推进新型工业化

B.推进城镇化

C.推进农业现代化

D.推进科技产业化

叶片的型线部分应综合满足气动、（）的要求。