阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Yuan Longping was born【小题1】1930. He graduated from college in 1953. Then he worked as a【小题2】(teach) at an agricultural school. From then on, he tried his best to find ways to grow more rice. After years of research, he【小题3】(final) made it. In 1973, he became the first person in the world to grow rice with a high output (产量). Thanks to his research, farmers are producing harvests twice【小题4】(large) than before. Although he is one of China's most famous scientists, Yuan Longping considers himself as【小题5】farmer, for he works the land to do his research.
Yuan Longping feels that being famous gives him less freedom to do【小题6】(he)research. So he doesn't care about it. He prefers keeping time for his hobbies. He enjoys【小题7】(listen) to music, swimming and reading in his spare time. Now he is more than eighty【小题8】(year) old and he【小题9】(be) satisfied with his life.
Such is Yuan Longping, a simple man【小题10】has great achievements.