谈话中的交流途径包括()
A.面部表情
B.言语信息
C.学习成绩
D.沉默
参考答案:A, B
_______ you ________ Huangshi since 10 years ago?
A.Have ; gone to
B.Have ; been to
C.Have ; been in
D.Do, live in
心脏瓣膜病最常见受累部位是()
A.主动脉瓣
B.室间隔
C.二尖瓣
D.肺动脉瓣
E.三尖瓣