常见的全颌覆盖种植体义齿采用的固位体不包括（）
A.杆卡固位装置
B.球帽固位装置
C.磁性固位体
D.套筒冠
E.卡环类固位体
参考答案：E
She was _____ happy _____ say a word when she heard the news. [ ]
A. so; that
B. so; as
C. too; to
D. to; too
胸膜斑是指限局性胸膜增厚超过（）
A.1mm
B.3mm
C.5mm
D.7mm
E.10mm
