Unit 3 Inventors and inventions
Why are they famous?
Issac Newton艾萨克·牛顿
gravity
discovered
Ben Franklin
Lightning is electricity
discovered
Why are they famous?
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楼主: 打了个飞的
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[课件与资料] Book8Unit3Warmingup-Pre-reading&Reading市公开课一等奖省赛课微 |
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