全口义齿戴用一段时间后,引起髁突明显后移并出现关节症状,其原因是
A.垂直距离过低
B.垂直距离过高
C.咬合力过大
D.咬合不平衡
E.义齿固位不良
参考答案:A
After the president made an official announcement, she expressed her ________ opinion.
A.personal
B.private
C.single
D.individual
协议存款不得以()存入.