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课件名称:北师大 Unit 17 laughter(warm up)
适用年级:北师大版 高二选修六
简介: ppt制作 现在许多蔬菜种在温室里, 在那儿他们可以免受风雨袭击。
Today many vegetables planted in greenhouses, where they are protected from the rain and the wind .
8.在过去的十年中, 科学技术取得了重大发现。
In the past/last few years, important discoveries have made in science and technology.
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