切换参数中测量报告上报准则不正确的是（）
A.周期上报
B.事件上报
C.不上报
D.混合上报
参考答案：A, C, D
If the economy is in short-run disequilibrium below full employment, the most likely explanation is that: （）
A. aggregate demand has decreased.
B. long-run aggregate supply has decreased.
C. resource prices have decreased.
环境污染对遗传影响的典型事例是（）
A.四日市哮喘
B.光化学烟雾事件
C.水俣病事件
D.痛痛病事件
E.伦敦烟雾事件
