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Sweet wormwood （青蒿）is a common plant in China,     it has the power to cure the deadly disease called malaria （疟疾）. Tu Youyou    （be）the woman who uses the plant’s special power to save millions of lives. The Chinese scientist won a Nobel Prize because of her great contribution.
On October 5, Tu was awarded the 2015 Nobel Prize in Physiology or Medicine. She shared the prize with two other scientists from the US and Japan. Tu is the first native Chinese person   __（receive）a Nobel Prize in natural sciences.
Tu was modest about receiving the award: “It’s a success for the whole research team.” She also thinks       is scientists’ duty to fight for the health of all humans.
When Tu joined the national research team to find the medicine     could fight against malaria in the 1960s and 1970s, things were hard. The team didn’t have advanced equipment back then. Tu used to test      （medicine） by eating them herself. Her team searched old Chinese medicine books     hand and tested over 2,000 traditional recipes.
Once Tu      （return）home after traveling for six months. Her little daughter didn’t recognize her and hid from the “strange woman”. To do research, Tu also had to move around a lot.
Finally, Tu found artemisinin （青蒿素）in sweet wormwood in 1971. She spent the next decades      （try） to improve the medicine. According to World Health Organization, about 200 million people suffer   malaria around the world, and about haft a million die each year. Artemisinin is stir the most effective treatment against malaria known today.
Tu never complains about how hard she works. “I feel more rewarded when I see so many cured patients,” she said.