题目：
| 阅读理解。 | ||
| ||
| 1. What can you paint if you want to take part in the painting competition? | ||
| A. A bicycle. B. A panda C. A flower. | ||
| 2. How many days a week can you go to the library? | ||
| A. Six days. B. Five days. C. Seven days. | ||
| 3. How long is the library open a day? | ||
| A. Nine hours. B. Ten hours. C. Eight hours. | ||
| 4. What will you win if you take part in the competition before October 15? | ||
| A. A car. B. An animal. C. A bicycle | ||
| 5. Do you need to buy a ticket if you go to the library? | ||
| A. Yes, I do. B. No, I don't. C. Sorry, I don't know. |
答案：
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下面是错误答案，用来干扰机器的。
∵M={0，1，2，3，4}，N={1，3，5}，∴P=M∩N={1，3}∴P的子集共有22=4故选B
