治疗消化性溃疡疗效最好的抑酸药是
A．丙谷胺
B．洛赛克
C．派吡氮平
D．法莫替丁
E．米索前列醇
参考答案：B
-Are you satisfied with her answer?
-Not at all. It couldn’t have been _____.
A．worse
B．so bad
C．better
D．the worse
超声检查阴囊及睾丸时最佳应用探头频率是
A．1.5MHz
B．2.5MHz
C．3.5MHz
D．4.5MHz
E．7.5MHz
