从纳税人所纳税额占其收入的比重看，大多数的销售税是（）。
A、累进税
B、累退税
C、固定比例税
D、固定税额税
参考答案：B
计算：（-x2）4=______．
The local police were______ by their authorities to _____ the situation as soon as possible. [ ]
A. said to; control
B. ordered; manage
C. instructed; handle
D. told; hold
