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男性，46岁。3天来腹泻，无脓血，半天来烦躁不安、，意识模糊来急诊。查体：BP 120/80mmHg，昏睡，上胸部可见数个蜘蛛痣，巩膜黄染，心肺未见异常；腹软，肝未能及，脾肋下2cm，化验尿蛋白(-)、糖(-)，镜检未见异常，血Hb 102g/L， WBC 3.5×109/L，PLT 85×109/L。 该患者昏睡最可能的病因是
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男性，42岁。活动多时感右腰部钝痛，尿常规检查红细胞15～20个/HP，白细胞 3～5个/HP；B超右肾盂内可见2.5cm×2cm形状不规强回声；后伴声影。 还需要进行的检查是
While the world’s flu fighters have concentrated on countering the H1N1 swine flu, bird flu H5N1 has quietly continued to take its (62) on both poultry and humans. Last year, 17 countries, (63) from Germany to Japan, reported outbreaks of H5N1 in (64) poultry and wild birds; and the World Health Organization, which still says H5N1 causes a worldwide threat, recoded 72 human (65) , 32 of them fatal. The major outbreak, entering its (66) year, is still in the developing countries of Asia. Indonesia (67) accounted for 19 of the 32 H5N1 deaths; Vietnam, (68) 5. But there are signs of (69) . The number of human deaths has been (70) since peaking at 79 in 2006. And fewer countries reported outbreaks in 2009 than in 2008. Partnership researchers compared notes on the effectiveness of control measures. Scientists reported that carefully (71) killing can be just as effective as wide spread killing, and less (72) . Others reported that reducing risk among those (73) backyard poultry has to be a community-wide effort, since changing the practices of (74) farmers has proven difficult. In particular, Science Insider reported that a 3- year-old regional investigation network is making (75) in sorting out the role of wild birds. Some water birds (76) thought to be spreading the virus, such as the Asian open bill stork, are now known to quickly die of H5N1 infection, Wiriyarat says. But pas serine species , or perching birds, are apparently (77) the virus without ill effects, says an Asian zoologist. He also adds that there is a high (78) of outbreaks in poultry and passerine movements. Wiriyarat says it is still (79) what is causing the outbreak, whether there is a natural storage for H5N1, and how the virus is (80) between domestic and wild birds. But while that research continues, the most effective way to reduce the amount of virus in (81) is to control outbreaks in poultry, he says.
In the United States, average fuel efficiency of newly manufactured domestic cars, although remaining worse than that of newly manufactured imported cars, substantially improved between 1983 and 1988. Average fuel efficiency of new domestic cars has not improved since, but the difference in average fuel efficiencies of new domestic cars and new imported cars has steadily decreased. If the statements above are true, which of the following must also be true on the basis of them
男性，25岁。1周来牙龈及鼻出血伴皮肤紫癜，化验血Hb 95g/L，WBC 12×109/L， PLT20×109/L，骨髓增生明显活跃，胞浆内有大小不等颗粒和成堆Auer小体的细胞占85%，POX染色呈强阳性，红系明显受抑制，未见巨核细胞。 该患者的治疗宜首选
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