心肌梗死后心肌缺血坏死而形成的室壁瘤在局部室壁运动(RWM)的特异性征象是()
A.运动正常
B.轻度运动低下
C.重度运动低下
D.反向运动(或矛盾运动)
E.无运动
参考答案:D
33. He waited until it was dark ____ nobody could see him clearly.
A.so that
B.in order to
C.although
D.However
当鼠标移动到文字链接上时显示一个隐藏层,这个动作的触发事件应该是()。
A.onClick
B.onDblClick
C.onMouseOver
D.onMouseOut