“快乐的损人者”多见于（）。
A.3岁
B.4岁
C.5岁
D.6岁
参考答案：A, B, C, D
We tried to persuade him to change his mind, but he insisted that he had no ______ of doing so. [ ]
A. intention
B. preference
C. alternative
D. trend
既不能失职渎职、不作为，也不能滥用职权、乱作为是（）的体现。
A.职权由法定
B.有权必有责
C.用权受监督
D.违法受追究
