下列哪种检查不适合于口腔颌面部深部脓肿的诊断
A．波动试验
B．压痛点检查
C．穿刺法
D．B型超声波
E．CT
参考答案：A
()不宜采用集水井降水法来降低地下水位。
A.粉质黏土
B.粉砂
C.黏土
D.人工填土
The Browns sent lots of invitations for their party. But because of the improper time, few people _____ it.
A．attended
B．accepted
C．received
D．enjoyed
