代表心室除极和复极总时间的是
A．P波B．QRS波群C．S-T段D．T波E．Q-T间期
参考答案：E
对结核性腹膜炎腹部症状的描述，错误的是（）
A.早期腹痛明显
B.腹痛多在脐周、下腹
C.多为持续性隐痛或钝痛
D.可有阵发性绞痛
E.偶可表现为急腹症
He was thirsty, so he poured some water_______ his glass. [ ]
A. into
B. over
C. in
D. out of the
