观察小鱼尾鲜血液流动时，血流速度最慢的血管是（ ） A．小动脉 B．小静脉 C．

用动词的适当形式填空。

1. Hearing the bell, he rushed out of the classroom, _______ (leave ) his book open on the desk.

2. With the guide _______ (lead) the way tomorrow, we'll find the village easily.

3. _______ (not see) the film, I am afraid I can't say anything about it.

4. The flood may spell disaster for people in this area if _______ (leave) unsolved.

5. Don't tell me you always escape _______ (fine) because you have a fast sports car.

6. The big earthquake, which hit several countries in Sichuan Province, _______ (kill) over 80,000 people.

7. She raised her arm _______ (protect) her face from the blow.

8. The clothes _______ (make) of this cloth is sure to sell well in the countryside.

9. Who did the manager have _______ (write) the report?

10. The doctor suggested Tom _______ (exercise) regularly.

（十八）城市化与产业结构升级在区域发展中相伴而行，城市化率、产业结构式城市与区域发展的重要标志。读图文资料，回答问题。（18分）

材料一：2012年崇明农业总产值中传统种植业占51.88%，种植业以农户家庭经营为主。工业以传统工业为主，主要部门为黑色金属、机械和纺织，占重点骨干企业的70%，且主要分布于各个乡镇，布局零散。

材料二：2012年，崇明县GDP仅占上海全市GDP的1.2%。

据表中数据，分别归纳2012年崇明三大产业的特点。

TDZlA一200／25型空气主断路器非线性电阻的阻值随着加在它两端的电压不同而（）。

A、不变

B、改变

C、下降

D、上升

出现CL7的云说明了怎样的天气？

服务行业文明用语有哪些种类？