Yuan Longping is a great scientist _____ has developed hybrid rice.

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• ★☆帮忙看一下我这篇作文,有没有错误,有错误的帮忙修改一下（语法错误要分析） ☆★My IdolMy Idol is a scientist.His name is Yuan Longping.His date of birth is 1930,9.His birthplace is beijing.He is of medium build and he is of medium height.His hobbys are playing the wiolin and playing sports.He is wery good at swimming and playing volleyball.His why famous is "Father of Hybrid Rice".In 2001,he has China's State Supreme Science and Technology.In 2004,he has World Food Prize.I think he is a v
• 检查这篇英语作文有何语法拼写错误 急 Yuan long ping is a great scientist.He was born in September 7th 1930 in Beijing .he studied in Southwest Agricultural College when he was young.He worked very hard.When he was at school.In 1973,He has developed a new kind of rice.Then he becomes a famous scientist.Because of the new kind of rice,many countries grow more rice than before.In my opinion He is a hero of china!
• Yuan Longping is a great scientist _____ has developed hybrid rice.
• Yuan Long ping is a great scientist who has developed hybrid rice.能否说成Yuan Long pingwho has developed hybrid rice is a g
• Yuan Longping developed the world's first popular and widely grown hybrid rice.翻译
• 阅读理解,回答问题Professor Yuan Longping, the father of hybrid rice, expressed the hope that he would grow more crops on less farmland. The 77-year-old scientist is the pioneer of hybrid rice research and he has been carrying out his work since the 1960s. The scientist invented hybrid rice and was also the first to successfully change the self-pollinating (自花传粉) characteristics of rice. His hard work and devotion made large-scale farming of hybrid rice possib
• 有一个底面半径为5厘米的圆柱形储油器,油液中侵有钢珠.若从中捞出546π（派）g钢珠.液面下降了多少厘米?
• obviously 的用法?