为了表征和研究体温控制系统的特征性和规律性，人们利用现有的关

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问题单项选择题

为了表征和研究体温控制系统的特征性和规律性，人们利用现有的关于这一系统的生理知识，建立了一个高度简化的（）模型。

A.黑箱

B.白箱

C.图解

D.方程

答案

参考答案：A

填空题

根据首字母提示填单词

1. Probably your boy threw it away, thinking it was w _ paper.

2. This had a great e __ on the future of both mother and son.

3. The police formed a h _ wall around the building.

4. The new law will reduce p of the air.

5. There was less o at t.he top of mountain.

6. Most of c was carried out of Shanxi Province in China.

7. Some plants is probably p _ ,but they can be made into meclicine.

8. N _ children are much healthier.

填空题

隐蔽工程是工程质量控制的重点和难点，目前局下文要求全局在建工程严格执行（）制度，实现对隐蔽工程施工全过程监控。