病毒性心肌炎在下列哪种情况下可选用糖皮质激素
A．发热、血沉加快
B．窦性心动过速
C．病理性Q波
D．高度房室传导阻滞
参考答案：D
进行胰胆管造影时应采取的体位是（）
A.俯卧位
B.头低脚高位
C.头高脚低位
D.侧卧住
E.仰卧屈膝位
There is _____ in his words. We should have a try.[ ]
A. something
B. anything
C. nothing
D. everything
