题型:填空题 I think grammar is a great way learn a language.[ ]A. study, for B. learns, of C. studying, to 查看答案
题型:填空题 患者经常头晕、心悸,血压150/70mmHg,胸骨左缘第三、四肋间听到舒张期叹息样杂音,诊断首先考虑的是()A.主动脉粥样硬化B.二尖瓣狭窄C.二尖瓣关闭不全D.主动脉瓣狭窄E.主动脉瓣关闭不全 查看答案