广告效果的特征包括()。
A.复合性
B.即时性
C.积累性
D.迁延性
E.间接性
参考答案:A, C, D, E
By no means true that all native speakers of English know their own language very well.[ ]
A. is that
B. that is
C. is it
D. it is
社会体育指导员培训教育分为技术等级培训和()。
A.技能培训
B.理论培训
C.实践培训
D.继续培训