题目

阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。 Chinese scientist Tu Youyou is one of the eight who were awarded the Medal of the People's Republic of China. She is the first Chinese citizen (win) a Nobel Prize in Physiology or Medicine. Born in 1930, in Ningbo, Zhejiang Province, Tu (study) medicine at university in Beijing. She acquired broad knowledge of both Chinese and Western medicine. In 1969, Tu became head of a team to find a cure for malaria. However, to produce enough qinghao extract for large trials was much (difficult) than we thought due to limited research resources. Even with large amounts of qinghao extract (produce), they still faced a lot of problems. To speed up the process and ensure its safety, Tu and her team volunteered to test the qinghao extract on (they) first. It was not until the 1970s that Tu succeeded in discovering qinghaosu, after many failed (experiment). In November 1972, they (successful) isolated the most effective part of the extract qinghaosu, is now a key part of many malaria medicines. Since the discovery of qinghaosu, the survival rate of malaria patients has increased by around 30%. Tu and her team finally made it, (save) millions of lives worldwide. 答案：【1】to win【2】studied【3】a【4】more difficult【5】produced【6】themselves【7】experiments【8】successfully【9】which【10】saving

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