行政伦理的核心是（）
A.程序公正
B.效率
C.符合法律规范
D.效率与公平兼顾
参考答案：A
—Your bike is beautiful.
—_______ [ ]
A. I don't think so
B. I think so
C. Thank you
D. I don't know
2354－374+646－626的值是 ( )
A．2000
B．200
C．20000
D．1000
