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Ireland，Japan，Chinascientists share the 2015 Nobel Prize for medicine.William Campbell，Satoshi Omura and Tu Youyou jointlywon the prize ____ their work against diseases，theaward­giving body said on Monday.

Campbell____(bear)in Ireland and Japanese Omura won half of the prize for a new drug，____ has helped the battle againstriver blindness，aswell as showing ____(power)effect against other diseases.

TheChinese scientist Tu Youyou also discovered artemisinin(青蒿素)，adrug that has ____(sharp)reduced the death rates for patients ____(suffer)frommalaria(疟疾)．She is also the first Chinese citizen____(win)the Nobel Prize for medicine.The prize winning is ____ honor forChina's science cause and traditional Chinese medicine.

“Thesetwo ____(discover)provide humankind with a new way to fight these diseases thataffect hundreds of millions of people annually.The award for Tu Youyou is theresult of a major change in the way China performs scientific research.China____(spend)a lot of money on such research over the past years，”a member of the Nobel committee said.