单项选择题

We are told that he will come tonight, and if so, our meeting will be held tomorrow.该句中的替代形式是_______？

A．分句性替代
B．动词性替代
C．名词性替代
D．代词性替代

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单项选择题

在两样本均数比较的假设检验中，若α=0.05，P＞0.05，则

A．尚不能认为两总体均数不等
B．可认为两总体均数不等
C．尚不能认为两样本均数不等
D．可认为两样本均数不等

Blockchain ID is a digital form of ID designed to supplement all these forms of physical identification.

答案：错误