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必修4《Warming up、Pre-reading、Reading、Comprehending》优质课PPT课件下载
你挥霍的， 正是攸关他们生命的。 浪费不只是道德层面的背弃与残忍， 更是对穷人的冷漠。
Cherish the food,
refuse to waste
Dr yuan longping is a father of hybrid rice
The first agricultural pioneer for all people
Super hybrid rice
This special strain of rice makes it possible to produce 20% of the crop in the same fields
Personal information
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Yuan Longping
Chinese
1930
Sunburnt, slim, strong
Southwest Agriculture College
Scientist of farming
Care little about money and fame