Book4 Unit 2 Working the land
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Book4 Unit 2 Working the land. 新快报 2000 年十大新闻人物 之一. 袁隆平. Yuan Longping is doing his research. Yuan Longping is working the land. Yuan Longping works the land to do his research. He struggled for the past five decades to help the farmers. Super Hybrid Rice. the rice that has a high output. - PowerPoint PPT Presentation
