在风险性上，相对来说( )要大一些。
A．公司债券
B．政府债券
C．政府保证债券
D．金融债券
参考答案：A
Tom described his father, who _______ a brave boy many years ago, as a strong-willed man. [ ]
A. would be
B. could be
C. must be
D. must have been
资源税纳税环节应是( )。
A．生产销售环节 B．批发环节C．运输环节 D．最终消费环节
