How do we explain this variation, and how do we explain the ______ of this adaptation from one generation to another?

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问题 How do we explain this variation, and how do we explain the ______ of this adaptation from one generation to another?

选项 A、transmission
B、transfer
C、transformation
D、transportation

答案A

解析 近形近义题。由题干中from one generation to another可以看出其传播性,所以答案选[A] transmission“传播,传送”。[B]transfer“迁移,传递”;[C]transformation“变化,转化”;[D]transportation“运输,运送”。
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