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英语课堂展示--潮汐

这是科学主题的英语课上用的展示prezi,以潮汐为主题。在网站上看可能效果不太好,但值得下载

pez这是科学主题的英语课上用的展示prezi,以潮汐为主题。在网站上看可能效果不太好,但值得下载TIDE What is tide? The real mystery in the    universe  What causes tide? the wind? The earth's  crust movement ? the god? How can we use the tide? Science class TIDE tide power station military Thank you hypothesis  Tides are the rise and fall of sea levels under caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of the Earth. the nearest place the furthest place influence universal gravitation F moon F earth F moon F earth I want to   jump! tide