诊断肾结核最可靠的依据是()
A．附睾扪及结节
B．晨尿结核杆菌检查阳性
C．尿呈酸性
D．尿中有大量脓细胞
E．膀胱镜检见到膀胱黏膜有溃疡
参考答案：B
治疗变异型心绞痛，疗效最好的是（）
A.抗氧化剂
B.β受体阻滞剂
C.血管紧张素转换酶抑制剂
D.钙通道阻滞剂
E.血小板抑制剂
Speaker A: I’d like to buy a copy of Professor Franklin’s book on shells. Speaker B: （）。
A. Are you one of Professor Franklin’s students
B. But I like his book on fish better than that on shells.
C. I’m sorry, sir. That book has been out of print for some time now.
D. Will you pay over there at the cashier
