行政管理机制主要表现为（）。
A.运行机制
B.动力机制
C.约束机制
D.绩效机制
E.激励机制
参考答案：A, B, C
单句改错（4分）
小题1:I look forward to visit my friends.
小题2:Could I use your pen?Yes ,you could.
小题3:What was happened yesterday?
小题4:I had read the book three times since I bought it .
棚车装用木质板材者，更换面积大于（）时须换装为竹质板材。
A.40%
B.50%
C.60%
D.70%
