体内钙磷最大的储库是:()
A.骨
B.心脏
C.肌肉
D.神经
参考答案:A
He took some money his pocket am paid for the work. [ ]
A. out
B. out of
C. from
D. outside of
心绞痛疼痛发作时的典型心电图表现是
A.ST段压低>0.1mV,T波低平或倒置
B.出现宽大畸形的病理性Q波
C.P-R间期延长
D.心肌缺血改变,ST段抬高
E.T波高尖