Language Points     Unit 2
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Read the text and find phrases耕种土地做研究为…而斗争 所谓的出生于 一个令人困扰的问题寻找做…的方法 传播知识欠发达的国家多亏，由于消除世界上的饥饿对…满意怀揣…希望
Father of Hybrid Rice
Yuan Longping
China’s most famous farmer