—Did you visit Shanghai World Expo?                           

—      But we visited the Great Wall.[ ]

A. Yes,we do.                  

B. No,we didn't.                  

C. Yes,we did.                  

D. No,we don't.

甘寒，归肺肾肝，为清凉益阴之品，既能退虚热、凉血热、泄肺热，又略兼阴而生津

A．青蒿
B．地骨皮
C．鱼腥草
D．牛黄
E．大青叶