Ⅲ度房室传导阻滞的心电图不可能出现为()。
A.心房率快于心室律
B.QRS波外形正常
C.R-R间期相等
D.P-R延长
E.P-P间期相等
参考答案:D
Would you like to go swimming with me? Yes, I'd love ____.[ ]
A. go
B. with you
C. to
淀粉具有降低血糖水平、改善血糖能量的作用。( )