利多卡因降低心肌自律性的机制主要是()
A.抑制Na+内流
B.促进Na+内流
C.抑制K+外流
D.抑制Ca2+内流
E.促进Ca2+内流
参考答案:A
— I told him not to play football in the street.
— ________. But he turned a deaf ear to me.
A.Neither did I
B.So did I
C.No, he didn’t
D.So I did
金朝被南宋与蒙军所灭后,女真族重新返回东北,到明朝时,女真满族诸部依照居住地区分为三部,是哪三部?