50 Which of the following statements can be inferred from the passage?
(A) Declining bee populations is expected to damage global food production.
(B) Controlling climate changes can resolve the problem of bees' habitat loss.
(C) Artificial selection has replaced natural selection for genetic diversity in bees.
(D) Group scientific efforts are key to keeping wild bees from becoming endangered.
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統計: A(13), B(5), C(4), D(2), E(0) #3517364
統計: A(13), B(5), C(4), D(2), E(0) #3517364