题目内容

The family unit is generally considered the extended family, and it is typically big in America.

A. 对
B. 错

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The Beatles who helped to secure a major place for its country in the development of pop and rock music, is an American band.

A. 对
B. 错

二阶差商是一阶差商的差商。

A. 对
B. 错

差商与插值节点的排列顺序无关。

A. 对
B. 错

差商不能表示成对应插值节点处函数值的线性组合。

A. 对
B. 错