题型:问答题 简答题 I ______ my aunt in Australia this winter vacation. I want to have an exciting vacation. [ ]A. visit B. am going to visit C. visited 查看答案
题型:问答题 简答题 男性,35岁,体检发现胸骨左缘第3、4肋间有收缩期喷射性3/6级杂音,在做屏气动作后杂音增强,下蹲后杂音减弱,其诊断应是()A.主动脉瓣狭窄B.肥厚型心肌病C.室壁瘤D.室间隔缺损E.相对性三尖瓣关闭不全 查看答案