单词填空（共10小题，每小题1分，满分10分）

1.You’re not allowed to park here unless you have a ____     ___(许可证).

2. There used to be a ____    ____(混泥土) building.

3. I want to buy two second-class ____    ____(单程票) to Shanghai.

4. Most of us probably hope that we will never have to face major_______  __ (外科手术).

5. Indeed, your ____   ____(无意识的) mind is working out problems all the time.

6. Many of the earth’s plants and animals have already died out, and several other __    _____(物种)are endangered.

7. Winkles（皱纹）have crept onto my mother’s ______    ____(前额).

8. Chinese students usually start to study ______  ___(化学) in the third grade of junior middle school.

9. She was one of the _____   __(受害者) of the road accident.

10. When will the new book be _____     _____(出版)?

（）试验用于测定砂浆拌合物捣实后的单位体积质量，以确定每立方米砂浆拌合物中各组成材料的实际用量。