第7题: [单项选择]What’s wrong with the man A. He overslept again. B. He can’t tell the woman the truth. C. He failed the exam again. 参考答案:C 答案解析:[听力原文]6-7 W: How about your exam M: I failed again. W: Why Did you oversleep again M:
第8题: [单项选择]AAI起搏器是指() A. 心室起搏+心房感知+感知后触发 B. 心房起搏+心室感知 C. 心室起搏+心室感知+感知后触发 D. 心室起搏+心室感知+感知后抑制 E. 心房起搏+心房感知+感知后抑制 参考答案:E