传染病最主要的特征是
A.有病原体B.有传染性C.有流行性D.有季节性E.有免疫性
参考答案:A
The academic report was _____ a failure; it was a great success.[ ]
A. far from being
B. nothing but
C. in fact
D. as a result
论述行政沟通的理论基础。