题目

Thanks to Dr Yuan’s research, the UN is trying to ___79______the world of _____80______. Using his hydrid rice farmers are producing harvests twice as large as before. You might guess that Dr Yuan is ____81_____with his life. However, he cares little about ____82____the money on himself or ___83____ a comfortable life. Indeed, he believes that a person with too much money has more troubles. So he gives millions of yuan to ___84____ others for their research. And he ____85_____(宁愿）keep time for his hobbies. Although he can no longer play his violin, he still listens to violin music. His other hobbies ____86___ playing mah-jong, swimming and reading. He ____87____to walk to his rice fields twice a day, but now he prefers to ride his ____88_____. 答案：

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