布什意否决过度开支(2)
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绝望的主妇:一样的世界
An odd thing happens when we die. Our senses vanish. Taste, touch, smell and sound become a distant memory. But our sight -- ah, our sight expands, and we can suddenly see the world we've lef...
北美殖民时期的妇女
北殖民时期的妇女Women in Colonial North America The status of women in colonial North America has been well studied and described and can be briefly summarized. Throughout the colonial period t
肺结核研究的新进展 (2)
Ajit Lalvani ELISpot Daniel Hoft MissouriAjit Lalvani from Imperial College London led an international team in developing the blood test, called ELISpot. A study showed that the ELISpot blood te...
幼儿死亡率创新低(2)
联合国儿童基金会最近的调查显示幼儿的死亡率创了历史新低UNICEF says progress in Asia, especially in China and India, has helped drive the worldwide reduction since nineteen ninety. Death rates have...