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《Lesson 3 Clean Machines》公开课PPT课件优质课下载
Buick (America)
大众
Where do they get their power from?
——petrol, gas or any other fuel
What’re they?
Where do solar cars get their power from?
—sunlight
Xenith, which was designed by Stanford Solar Car Project, is the fastest solar car ever built.
Xenith
World Solar Car Challenge
--世界太阳能汽车挑战赛
World Solar Car Challenge is held every two years in Australia and challenges teams to build ultra-efficient solar car in a 3000-kilometer car race from Darwin to Adelaide.
video
video
The Challenge held in 2015,the
fatest speed can reach 120k.p.h
Word Review
kindergarten
racer
sunlight
Petrol (BE)
Gas (AE)
impression
reliable
operator