心火上炎证的治法（）。
A.清肝泻火
B.清心泻火
C.清胃泻火
D.滋阴降火
E.滋阴清热
参考答案：B
—____ you stay at home last week?
—Because l was ill. [ ]
A. What did
B. Why did
C. Why were
D. Where did
近距离治疗的重建方法与模拟定位机定位无关的是()
A．正交法
B．不完整正交法
C．变角投影法
D．立体平移法
E．优化法
