题目

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。Tu Youyou, a committed and patient scientist, was born in Ningbo, China, on December 1930, and graduated from Peking University Medical School in 1955. In 1967, Chinese government formed a team of scientists 【1】the objective of discovering a new treatment for malaria and Tu Youyou was among the first researcher 【2】 (choose). In 1969, she became the head of the project in Beijing and decided 【3】 (review) ancient Chinese medical texts to find traditional botanical treatments for the