麻杏石甘汤主治的病证是（）
A.风寒咳嗽
B.风热咳嗽
C.寒痰咳嗽
D.热痰咳嗽
E.上实下虚的咳喘证
参考答案：D
— do you go to the Swimming Club?
—Twice a week. [ ]
A. How often
B. How many times
C. How long
D. How much
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