下列选项中（）是lC卡具有的良好性能。
A、机器读写
B、携带方便
C、安全防范和数据存储
D、以上都对
参考答案：D
27．Don’t you think it essential that every resident of Nanjing___________spare no effort to make contributions to Nanjing 2014 Youth Olympic Games?
A．should
B．will
C．shall
D．Would
税收程序法是税法的核心部分。( )
