单个细菌在固体培养基上的生长现象是形成
A．菌苔B．菌团C．菌落D．菌膜E．菌丝
参考答案：C
They are taught by their superiors that a soldier who ______ his post in time of war is to be shot.
A．deserts
B．deflects
C．detains
D．threw
下述小肠Crohn病的影像，应除外（）
A.环肠壁对称性侵犯
B.小肠多发狭窄
C.鹅卵石征
D.肠壁增厚
E.口疮样小溃疡
