46 What is the best topic of this passage?
(A)The Foundation of Chronobiology.
(B)The Feature of Life Cycle.
(C)The Internal and External Environments.
(D)The Overview of Biological Mechanism.
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統計: A(47), B(41), C(34), D(156), E(0) #2052977
統計: A(47), B(41), C(34), D(156), E(0) #2052977