阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Dr. Yuan Longping was 【小题1】 pioneer of agriculture in China. He 【小题2】 (graduate) from Southwest Agricultural College in 1953. Since then he devoted his life to 【小题3】 (find) ways to grow more rice. The rice farmers are now 【小题4】 (produce) harvest twice as large as before by growing his kind of rice. 【小题5】 he was not satisfied with his work. 【小题6】 now he leads a rich life, he still goes on with his work to develop his rice. I think his work is 【小题7】 (real) important to the world. Because of his hard work, the production of food has been improved. And the problem of 【小题8】 (hungry) can be solved. Thanks to Yuan's great work, millions of people can benefit 【小题9】 his extraordinary work. Yuan’s remarkable 【小题10】 (achieve) in hybrid rice research have previously won him numerous honors.