题目内容

每个神经元可以有多个轴突。()

A. 对
B. 错

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______ the time Brian arrives at the airport, Tony has already been waiting there.

Combine the following pair of sentences , using “it” for a subject clause.

外毛细胞会改变内毛细胞的敏感性。()

A. 对
B. 错

等他到机场时,飞机已经起飞了。( by the time)

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