能与利尿剂联用，增加其利尿作用的是（）
A．真武汤
B．小柴胡汤
C．芍药甘草汤
D．茵陈藁汤
E．黄连解毒汤
参考答案：A
If you try to understand _____ that prevents so many Americans from being as happy as one might expect,
it seems that there are two causes. [ ]
A. what it does
B. why it is
C. why it does
D. what it is
由于使用PDC钻头而使钻屑细小，对观察槽面油气显示来说有弊而无利。（）
