判断无症状心肌缺血如属不能作心电图运动试验者,最常用的方法为()
A.二维超声心动图
B.核素左心室造影
C.运动201铊心肌显像
D.常规静息心电图
E.动态心电图
参考答案:E
现代电网有哪些特点?
Hearing the bad news, ___.
A.tears came to his eyes
B.and he couldn’t help back his tears
C.she burst into tears
D.she had begun to cry