收缩时可使声带内收、声门关闭的肌肉有
A．环杓后肌
B．环杓侧肌
C．杓肌
D．甲杓肌
E．环甲肌
参考答案：B, C, D
The 18-storeyed building, when _____, will shut out the sun _____ up the rooms in my house.
A．completed; lighted
B．completing; lighting
C．completing; lighted
D．completed; lighting
诊断玻璃体后脱离可采用以下哪些方法（）
A.直接眼底镜
B.裂隙灯三面镜
C.VEP
D.间接眼底镜
E.B超
