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北师大2003课标版《Lesson 3 Clean Machines》PPT课件优质课下载
Made in China
Mercedes Benz
Made in Germany
Name B.M.W
Made in Germany
Made in Germany
Made in America
Buick
Honda
Made in Japan
Made in France
Citroen
Can you recognise the car brands?
1.The car is important to our life. Can you talk about both its advantages and disadvantages?
2.Most cars use energy for power and cause pollution.
In your opinion, how can we solve this problem and improve the cars?
What’s this?
Solar Car
solar panel
太阳电池板
Why do scientists make this kind of car?
Scientists have been making solar cars for over 20 years. They have made cars that go up to 80 k. p. h.!
Fuel used for cars:
gas, oil, petrol
Fuel used for solar cars: