风湿性心内膜炎常侵犯() A.二尖瓣 B.主动脉瓣 C.三尖瓣 D.肺动脉瓣 E.腱 发布时间:2019-02-05 15:41 │ 来源:www.tikuol.com 题型:单项选择题 A型题 问题: 风湿性心内膜炎常侵犯()A.二尖瓣B.主动脉瓣C.三尖瓣D.肺动脉瓣E.腱索
题型:单项选择题 A型题 There are many people in the park. Some are singing, ____ are exercising. [ ]A. other B. others C. the other D. the others 查看答案