读图，回答1-2题。
小题1:A、B、C分别代表
A．商业区、住宅区、工业区 B．工业区、商业区、住宅区
C．商业区、工业区、住宅区 D．住宅区、商业区、工业区
小题2:M处地租等值线明显向外凸出的原因是
A．交通干线经过
B．人口稠密
C．距离市中心近
D．地形平缓
小题1:C
小题1:A
小题1:从图中可以看出，图例A在市中心比重最高，距离市中心越远比重越低，因此A为商业区；图例C位于市中心和郊区之间，方便购物和上下班，因此C为住宅区；图例B在市中心比重最低，距离市中心越远比重越高，因此B为工业区。
小题1:M处不在市中心，但地租等值线明显向外凸出，表明地租较高，因此可能是有交通干线经过。
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| Kindness is the golden chain by which society is bound together. However, I was not thinking about the golden chain when I had to help people who__1__their way and parked in front of my house. I was growing tired of helping so many people. Almost every__2__I was awaken during a sound night's sleep and had to__3__someone out. Many times I was__4__by some penniless motorists who did not even thank me for the helps that they received and some even complained that I could have done 5 . One day, a young man with a weekold beard climbed out of a__6__automobile.He had no money and no food.He asked if I could give him some__7__, and offer him gasoline and a meal. I told him that if he wanted to work for me, he could cut the grass, but__8__the work wasn't necessary. Though sweaty and hungry, he worked hard.After working all day, he sat__9__to cool himself. I thanked him for his work and gave him the money he 10 . I then offered him some 11 money for a task particularly well done, but he shook his head, 12 . I never saw him again.He probably thinks I helped him out that day, but that is not 13 it was. I didn't help him. He helped me to 14 people again. He helped me to once again want to do something for those who are 15 . I wish I could thank him for 16 some of my belief in the basic 17 of others and for giving me back a little of the 18 I had lost. Because of him, I once again felt part of a golden chain of kindness that 19 us to others. I may have fed his body that day, but he fed my 20 . | ||||
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