Tu Youyou, ____ 84-year-old scientist,  became the first female (女性)Chinese to ____ (win) a Nobel Prize in science on Oct, 5. She ____ (share) the 2015 Nobel Prize for medicine because ____ the new medicine for malaria(疟疾). Tu was awarded （授予奖项）for "three firsts". She was the first to bring artemisinin(青蒿素) to her team,  the first to extract(提取) artemisinin that can stop malaria,  ____ the first to finish the experiment.

    She first tried the medicine on ____ (she), because she wanted to make sure that it was safe (安全). "As the head of the group, I had the responsibility(责任)." The scientist spoke to CCTV about her work. Artemisinin is a gift for the world people. It has saved many people's ____ (life). It comes from Chinese traditional medicine and now is a good way to treat malaria. Tu Youyou expects Chinese medicine to help ____ (many) people all over the world. 

    We can learn a lot from Tu Youyou. We should do something useful for people. If we want to be ____ (success), we should keep on ____ (work) hard with our group and never give up.