A
When it’s hot outside and we have to go out, surely we want to keep cool. We can put on hats, wear light clothing, or stay at a cool place. But a good fan is better. Now I’ll show you how to make a good DIY paper fan.

What to prepare
Please prepare two pieces of paper. All paper will be OK, but with quality paper, you will use your DIY fan for a long time.
Then get glue, two sticks, etc.
How to make a DIY fan
The first step is to draw pictures on the paper. Just draw anything you like. The next step is to fold (折叠) up the paper. Then glue the two pieces of paper together. After that, paint the sticks. The final step is to glue the sticks onto the folded paper.
If you look at your watch, you will be surprised: it takes less than 15 minutes to make a good paper fan. Then you can fold it up and drop it in your bag. When you are out in summer next time, just take it out and enjoy the gentle wind.
21. Which is the best way to keep cool according to Paragraph 1?
A. Putting on hats.
B. Using a good fan.
C. Wearing light clothing.
D. Staying at a cool place.
22. Why is quality paper good for making a fan?
A. It is light.
B. It is colourful.
C. It can be used for a long time.
D. It looks beautiful.
23. From the last paragraph, we can tell that making a paper fan is .
A. quick
B. boring
C. strange
D. difficult

21~23 BCA

【解析】
21. 根据第一段“We can put on hats, wear light clothing, or stay at a cool place. But a good fan is better.”可知，使用好的风扇是降温的最佳方式，故选B。
22. 根据“What to prepare”部分中“but with quality paper, you will use your DIY fan for a long time.”可知，优质纸张做的风扇可以使用很长时间，故选C。
23. 根据最后一段“It takes less than 15 minutes to make a good paper fan.”可知，制作纸扇花费时间很短，说明制作起来很快，故选A。
【答案】
21~23 BCA
【知识点】
阅读理解细节查找，应用文阅读，信息提取
【点评】
本文是一篇DIY纸扇的制作教程，题目均为细节理解题，解题核心是准确定位原文对应内容，提取关键信息，题目难度较低，能帮助提升学生从文本中获取有效信息的能力。