There______ a coat and three shirts on the chair. [ ]
A. be
B. am
C. is
D. are
答案:C
用治肺虚久咳、痰少咽燥之证,宜选 ( )
A.浙贝母
B.川贝母
C.陈皮
D.黄芩
E.牛蒡子