Tu Yoyo was honored with the Nobel Prize in Physiology or Medicine  ____Oct. 5. She was the first Chinese citizen ____(win) a Nobel Prize in science. Tu ____(share) the prize with the Irish-born William Campbell and Satoshi Omura of Japan.

    Tu is a researcher at the China Academy of Traditional Chinese Medicine now. She  ____(give) the prize for  ____ (develop) artemisinin (青蒿素) , a new drug therapy against malaria( 疟疾)， ____ has saved millions of lives worldwide, especially in developing countries.

    Tu and her colleagues joined a government project to find a new malaria drug in the late 1960s. They made 380 herbal extracts from two thousand recipes from traditional Chinese medical books. In 1971, after nearly two hundred  ____ (fail), Tu's team  ____(final) found an extract that was 100% effective against the malaria parasites-atremisinin. In 2001, the World Health Organization made artemisinin ____ (it) first choice in the treatment of malaria.

    “The discovery of artemisinin is a gift to mankind from traditional Chinese medicine. It's the achievement of the research team. Winning the prize is  ____ honor for Chinese science and traditional Chinese medicine,” Tu said.