衡量不同税差别的最重要标志是( )。
A．纳税人
B．课税对象
C．计税依据
D．税率
参考答案：B
Of all the sports shoes, Peter bought pair. Then he had some money for socks.
A．a cheaper
B．the most wonderful
C．the least expensive
D．the dearest
送电线路额定电压是如何规定的？
