单项选择题

用OLS估计经典线性模型,则样本回归直线通过的点是( )。 A. B. C. D.

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单项选择题

在定义int n[5][6]后第10个元素是( )。

A.A、n[2][5]
B.B、n[2][4]
C.C、n[1][3]
D.D、n[1][4]

单项选择题

The most remarkable bronze statue in the tomb of Liu Sheng, King Jing of the Western Han dynasty, is ().

A.Boshan Censer inlayed with gold and silver
B.Gold and silver inlaying copper teapot with bird zhuan characters
C.Changxin Palace Lamp
D.White jade carved with double dragons