From 56 earlyagehewasinterestedinplants.He 57 (st...
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问题详情:
From 56 early age he was interested in plants. He 57 (study) agriculture in college and as a young teacher he began experiments in crop breeding. He thought that the key to 58 (feed) people was to have more rice and to produce it more quickly. He thought there was only one way 59 do this-by crossing different species of rice plant, and then he could produce a new plant which could give a 60 (high) yield than either of the original plants.
【回答】
ied ing do er
知识点:语法填空
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