4 . 根据文中首字母提示,填写正确的答案。
Tu Youyou, a c 1 and patient scientist, was born in Ningbo, China, on 30 December 1930, and graduated from Peking University Medical School in1955. After she graduated, she worked at the China Academy of Traditional Chinese Medicine in Beijing. In 1967, the Chinese government f 2 a team of scientists with the o 3 of discovering a new treatment for malaria, and Tu Youyou was among the first researchers c 4 . In the b 5 , Tu Youyou went to Hainan, where malaria was more c 6 , to study malaria patients. In 1969, she became the head of the p 7 in Beijing, and decided to review ancient Chinese medical texts to find traditional b 8 treatments for the disease. Her team examined over 2,000 old medical texts, and evaluated 280,000 plants for their medical properties. From their research, they discovered and tested 380 d 9 ancient Chinese medical treatments that showed p 10 in the fight against malaria.