题型:选择题 He is very popular among his students as he always tries to make them __________ in his lectures.A.interestedB.interestingC.interestD.to interest 查看答案
题型:单项选择题 有关触发活动的描述,不正确的是().A.触发活动是指动作电位后产生的除极活动,也称为后除极B.若后除极的振幅增高并抵达阈值,便可引起反复激动C.触发活动多发生于动作电位的2相D.触发活动亦可导致持续性快速性心律失常E.可见于局部出现儿茶酚胺浓度增高、心肌缺血再灌注、低血钾、高血钙及洋地黄中毒时 查看答案