无脉电活动所出现的心律如为宽QRS波时,可见于下列何种情形()
A.重度高钾血症
B.广泛性急性心肌梗死
C.重度低体温症
D.老年患者的心脏停搏前心电
E.以上皆是
参考答案:E
一般对肿瘤发展迅速,瘤体过大者,可先给予_______或________后再行________
Hurry up. I_____ for Korea to visit my uncle; The plane_____ at 10:00.
A.am leaving; will leave
B.leaves; is leaving
C.am leaving; leaves
D.will leave; is leaving