对大环内酯类抗生素不敏感的微生物是（）。
A.链球菌
B.军团菌
C.变形杆菌
D.厌氧菌
E.支原体
参考答案：C
Last Sunday he promised ________ today, but he hasn't appeared yet.
A．that he would come
B．that he will come
C．he will come to see me
D．whether he would come
以下属于网络操作系统的是（）。
A.微软公司的WindowsNTServer
B.微软公司的Windows2000Pressional
C.IBM公司的LANServer
D.Novell公司的NetWare
