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《Lesson 3 Clean Machines》集体备课PPT课件优质课下载
Last American president
UN secretary-general Ban Ki-Moon
solar car
Scientists have been making solar cars for over twenty years.
They have made solar cars that go up to 80 k.p.h. !
Lead in
solar cars
reach
kilometers per-hour
Solar Car Racing
Unit 9 lesson3 Clean Machines
Objectives
By the end of this period, you will be able to:
1. Get to know a solar car racer, the safe and clean solar cars, as well as their races.
2. Build the sense of using clean energy efficiently.
Pre-reading
Discussion: why do people invent solar cars?
1.use the power of sunlight
2.do not use petrol,
gas or any other
fuel, no pollution
3.clean and safe
Read quickly How many things did the interviewer want to know about? What are they?
1 about a solar racer --- Marie Logan
2 about solar cars