27.What does the passage mainly discuss?
(A) The effects of human activities on prehistoric wildlife.
(B) The origins of the hunter-gatherer way of life.
(C) The evolution of predators during the Pleistocene Epoch.
(D) Why humans were the most effective Pleistocene predators.

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統計: A(24), B(5), C(4), D(2), E(0) #777402

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【題組】27. What does t...
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