求Apioneerforallpeople第一段原文!英语必-查字典问答网
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  求Apioneerforallpeople第一段原文!英语必修4unit2的课文英语书忘带..

  求Apioneerforallpeople第一段原文!

  英语必修4unit2的课文英语书忘带..

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2020-04-2420:38
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潘慧艳

  AlthoughheisoneofChina'smostfamousscientists,YuanLongpingconsidershimselfafarmer,forheworksthelandtodohisresearch.Indeed,hissunburntfaceandarmsandhisslim,strongbodyarejustlikethoseofmillionsofChinesefarmers,forwhomhehasstruggledforthepastfivedecades.DrYuanLongpinggrowswhatiscalledsuperhybridrice.In1974,hebecamethefirstagriculturalpioneerintheworldtogrowricethathasahighoutput.Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.Nowmorethan60%ofthericeproducedinChinaeachyearisfromthishybridstrain.

2020-04-24 20:39:40
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