治疗经断复来湿热下注证,应首选
A.安老汤
B.知柏地黄丸
C.易黄汤
D.萆薜胜湿汤
E.龙胆泻肝丸
参考答案:C
─ _____ you please play basketball with us?
─Sorry, I _____. [ ]
A. Could; can't
B. Could; didn't
C. Can; don't
D. Can; couldn't
简要论述技术价值的基本内容。