国家药品不良反应监测中心报告，某省药品生产企业生产的某药品疗效不确、不良反应大。根据

---Have you read this book？

---Yes．I _______ it two weeks ago．

A．am reading

B．have read

C．will read

D．read

用所给词的适当形式填空。

1. I hear you _____ (go) to Tibet for working next year. Can I go with you?

2. She was _____ (interest) in the places of _____ (interest) in China.

3. It _____ (take) me half an hour _____ (take) the photos last vacation.

4. I planned _____ (take) walks with his lovely dog after supper.

5. On the morning of my birthday. I can't wait _____ (open) the presents.

6.  _____ (sleep) a lot is good for your health.

7. I can't stand _____ (go) camping or _____ (hike) alone. It's too dangerous.

8. I _____ (be) a professional doctor after graduation from college.

9. How often _____ your parents _____ (exercise) on weekends?

10. Hurry up! Your sister _____ (wait) for you to go surfing.

下列哪一项属于业主的合同管理任务( )。

A．对施工单位进行考察、资格预审及确定施工

B．收集、整理、分类归档各种项目管理信息

C．参加评标及合同谈判

D．合理划分子项目，明确各子项目的管理

目前生产中最常用的两种刀具材料是（）和（），制造形状复杂的刀具时常用（）。

矿物受外力打击时，沿一定方向裂开而成光滑平面的现象称（）。

A.节理

B.裂理

C.劈理

D.解理