48. A torpor for animals to survive long period of high temperature and water scarcity.
(A) hibernation
(B) estivation
(C) adaptation
(D) thermoregulation
(E) acclimatization
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統計: A(7), B(20), C(4), D(14), E(1) #2973627
統計: A(7), B(20), C(4), D(14), E(1) #2973627