信访受理程序一般分为（）四个步骤。
A.登记
B.初步审查
C.作出决定
D.受理
E.回访
参考答案：A, B, C, D
—Miss White, what's wrong with my mother?
—Don't be _ _ about her. She is better now. [ ]
A. worry
B. worrying
C. worried
鸡血石冻地的颜色主要取决于其中氧化铁的含量。
