图一： 商品供过于求 →价格下跌→ 无利可图→ 缩小生产↓

 ↑扩大生产 ←有利可图 ←价格上涨 ←商品供不应求

图二：

（1）图一和图二分别反映了什么经济现象？

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（2）两图表明商品生产和交换受什么规律支配？简述这一规律的基本内容和表现形式？

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1.Our headmaster stepped onto the platform, closely following by his secretary.

2.The building intended to be a museum. Now it’s a school.

3.Anji County is famous for a green tea producing place.

4.Travel can help us get closed to parts of the world we have never experienced.

5.It’s certain that patient teachers are more popular than dispatient ones.

6.Three years has passed since the couple met last time, and for them, three years is really a long time.

7.A cook will be immediately fired (解雇) if he is found smoke in the kitchen.

8.It’s very kind for you to help me.

9.Doctor Yuan Longping has devoted himself to increase rice harvests.

10.Seen from the top of the hill, we can see a small village under it.