42.Animals capable of producing their own body heat by way of metabolism and of retaining it are said to be
(A) metabolic;
(B) thermogenic;
(C) thermodynamic;
(D) endothermic.
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統計: A(2), B(0), C(2), D(4), E(0) #3577771
統計: A(2), B(0), C(2), D(4), E(0) #3577771