清虚热药的适用证是（）
A.火热证
B.毒热证
C.湿热证
D.血热证
E.虚热证
参考答案：E
When it comes to a foreign language, he is not ________ quick a learner as his brother.
A．very
B．too
C．so
D．rather
表中Ⅲ的数值是（）。
A．1.9
B．2.5
C．2.0
D．2.2
