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1. What did Li Ming make to help his classroom be more comfortable?
2. Why did Li Ming choose solar energy for his fan?
3. What problem did Li Ming face with his first design?
4. How did Li Ming fix the problem?
5. If you could use Li Ming's fan in another place, where would you use it? Why? (请自拟一句话作答)
A solar-powered desk fan.
2. Why did Li Ming choose solar energy for his fan?
Because it is energy-saving and eco-friendly.
3. What problem did Li Ming face with his first design?
The plastic fan blades were too heavy, making the motor spin slowly.
4. How did Li Ming fix the problem?
He used lighter cardboard blades and added a speed control switch.
5. If you could use Li Ming's fan in another place, where would you use it? Why? (请自拟一句话作答)
I would use it in a park to help people stay cool outdoors without needing electricity.
答案
1. A solar-powered desk fan. 2. Because it is energy-saving and eco-friendly. 3. The plastic fan blades were too heavy, making the motor spin slowly. 4. He used lighter cardboard blades and added a speed control switch. 5. I would use it in a park to help people stay cool outdoors without needing electricity. (言之有理即可)
