单项选择题
In which year the world's population lived in urban areas is more than 50% for the first time in history?
A．2007
B．2000
C．2010
D．2005
In which year the world's population lived in urban areas is more than 50% for the first time in history?
A．2007
B．2000
C．2010
D．2005
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单项选择题
急性肾小球肾炎并发严重循环充血和肺水肿时，不当的治疗是：
急性肾小球肾炎并发严重循环充血和肺水肿时，不当的治疗是：
A．严格限制水、钠摄入
B．可静脉注射作用快而强的利尿剂
C．可静脉注射作用快而强的利尿剂
D．积极使用洋地黄制剂，加强心肌收缩力
E．血管扩张药