以下属于资本主义国家财政收入来源的是（）。
A.税收
B.国有财产收入
C.行政收入
D.国债
E.丁口税
参考答案：A, B, C, D
The uncertainty of an event is measured by its probability of occurrence and is inversely proportional to that. The more uncertain an event is. The more information is required to resolve uncertainty of that event. The amount of information is measured in （）
A、possibility
B、bits
C、bps
D、probability
病原物从寄主植物获得营养物质的两种方式是什么？
