桑杏汤主治证的病因病机是()
A.清宣温燥,润肺止咳
B.轻宣凉燥,理肺化痰
C.清燥润肺,养阴益气
D.养阴清肺,解毒利咽
E.清燥润肺,理肺化痰
参考答案:A
Let’s search the Internet for some information about famous people,______?
A.will you B.won’t you C.shall we
设备维护工作的重点包括哪些?