注册商标有效期满，若要继续便用的，商标注册人应当按照规定办理续展手续。每次续展注册的

一、单词拼写（15分）

1. “Sorry, sir. Please show me your driving p____________,” the policeman said politely.

2. You need _________________( 耐心) if you want to get served in this shop.

3. It was not our _______________ ( 错误 ) that we were late.

4. It’s best to cook vebetables in a small a___________________ of water.

5. Do you mind his s_______________________ at you ?

6. Young people like to ___________________ (寻找 ) success in life.

7. He is so r_____________________ that nobody wants to play with him.

8. Hot is the c____________________ of cold.

9. At first we thought he was poor because he was in r__________________ .     

10.Thank you very much ________________________ ( 实在；真的 ) .

11. Ten years hard life made her poor ______________________ ( 外表 ) . 

12. It’s bad  _____________________ (礼貌 ) to talk with your mouth full.

13. Mark Twain became rich because of his _________________ ( 小说 ) .

14. The ___________________ ( 人行道 ) was covered with fallen leaves.

15. When Henry left the restaurant, the owner, hostess and waiter all ______ (鞠躬) together.

囊性纤维化病发病的根本原因是CF基因发生突变，导致运输Cl^-的膜蛋白的第508位氨基酸缺失。下列叙述错误的是[ ]

A．CF基因通过控制蛋白质分子的结构从而控制生物性状

B．CF基因突变的原因是mRNA缺失了一个密码子

C．该病体现了单个(对)基因对生物性状的控制

D．从分子水平上了解病因，有助于找到科学合理的治疗方法

不属于抑制胃酸分泌的抗消化性溃疡药物是（）

A.哌仑西平

B.丙谷胺

C.西咪替丁

D.铝碳酸镁

E.雷贝拉唑

接地螺栓的直径不小于（）mm。

A、8

B、12

C、10

D、15

安装预制楼梯应综合考虑塔吊主体结构施工间隙，一般（）层楼梯构件集中吊装。

A.2-4

B.2-5

C.3-5

D.3-6