应用最广泛的时间系列模型是( )
A．回归趋势
B．移动平均
C．加权移动平均
D．指数平滑
参考答案：D
It was _____ weather that everyone wanted to go outing .
A．so fine
B．such fine
C．so a fine
D．such a fine
“三曹”中谁的辈分最高？
