阿胶的适应证是()
A.血虚诸证
B.热病伤阴之心烦失眠
C.出血证
D.阴虚风动
E.肺阴虚燥咳
参考答案:A, B, C, D, E
计算:
(1)2a2-a8÷a6
(2)(2-x)(2+x)-(x+4)(1-x)
.We agreed ______here but so far she hasn't turned up yet.
A.having met
B.meeting
C.to meet
D.to have met