题型:选择题 Used to TV shows, _____ everything is quick and entertaining, many people do not have the patience to read a book that requires thinking.A.whichB.whatC.whereD.when 查看答案
题型:单项选择题 患者男性,25岁,突发心悸就诊。心电图示宽QRS波群心动过速,P波显示不清楚,QRS波群形态一致,RR间距相等。如果V1~V5导联均无RS波,支持A.室性心动过速B.室上性心动过速伴室内差异性传导C.预激综合征合并心房颤动D.逆向型房室折返性心动过速E.以上都不是 查看答案