3条或3条以上的发育沟相交所形成的凹陷称为
A．窝B．点隙C．外展隙D．楔状隙E．邻间隙
参考答案：B
The first time he had a dinner with some high officials, he felt _____ uneasy.
A．a sort of
B．sort of
C．of a sort
D．all sorts of
该病最可能的诊断是
A．溃疡性结肠炎
B．克罗恩病
C．肠结核
D．结肠癌
E．慢性阑尾炎
