受全球经济停滞不前和国内物价波动的影响，黄金成了一些市民保值增值的首选。市民之所以购买黄金，从根本上说是因为（）
A.黄金作为商品，具有保值增值的功能
B.黄金作为货币，其本质是一般等价物
C.黄金作为商品，始终处于供不应求状态
D.黄金作为货币，可以当做社会财富被保存起来
参考答案：B
解析：市民之所以购买黄金，是因为质变贬值，黄金作为货币形式，其本质是一般等价物，可以和一切商品相交换，并表现其价值。选B。A错误，黄金作为商品，其价格有涨有落；C错误，黄金也不一定都是出于供不应求状态；D错误，不是根本原因。
| 阅读理解. | ||
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| his feet and a sign that read, "I am blind. Please help me." A creative publicist (广告员) named Tom was walking by the blind man and stopped to see that the man only had a few coins in his hat. He put a few of his own corns in the hat. Without asking for permission, took the sign, turned it around and wrote a new message. Then he put the sign by the feet of the blind man, and left. Later that afternoon the publicist returned to the blind man and noticed that his hat was almost full of bills and coins. The blind man recognized(识别)his footsteps and asked if it was he who had changed his sign. He also wanted to know what the man wrote on it. The publicist said, "I just wrote the message a little differently." He smiled and went on his way. The new sign read, "Spring has come, but I can't see anything." | ||
| 1. What's the blind man's name? | ||
| A. Tom. B. John. C. Tony. D. Sorry, I don't know. | ||
| 2. Who wrote a new message? | ||
| A. The blind man. B. The teacher. C. The publicist. D. The farmer. | ||
| 3. How did the blind man recognize the publicist? | ||
| A. By his sign. B. By his footsteps. C. By his voice. D. By his corns. | ||
| 4. When did the story happen? | ||
| A. In spring. B. In summer. C. In autumn. D. In winter. | ||
| 5. What can we learn from the passage? | ||
| A. Publicists are always friendly and helpful. B. We can get more money by changing a sign. C. The blind man is very stupid, so he has little money. D. The power (力量) of language is great. |
