黄芩苷遇醋酸铅生成橙红色沉淀是因为
A.295~300nmB.217~220nmC.1700~1800cmˉ1D.420nmE.低40cmˉ1
参考答案:E
The cost of renting a house in central Xi'an is higher than ____ in any other area of the city. [ ]
A. that
B. this
C. it
D. one
张某,男,16岁。煤气中毒后一个月,突发昏仆,肢体抽搐,口吐涎沫,约5分钟后神志转清,自述疲乏,舌苔白腻,脉象弦滑。
该病例中医病机为()
A.痰气交阻
B.风痰扰动
C.风阳扰动
D.痰蒙神窍
E.痰饮内停