直接对抗由于强心苷中毒引起心动过缓的药物为

A．氯化钾

B．利多卡因

C．氨茶碱

D．阿托晶

E．苯妥英钠

A good speaker is supposed to manage to ________ the listeners what he means.

A．make sense to

B．get across to

C．appeal to

D．attach to