問題詳情

51. What does “that” in the third paragraph refer to?
(A) Some malaria parasites escaping from the ecosystems.
(B) Malaria parasites becoming immune to the engineered bacterium.
(C) Modified mosquitoes becoming more competitive than the wild ones.
(D) Transmission of malaria being blocked from mosquitoes to humans.

參考答案

答案:B
難度:適中0.409091
統計:A(9),B(18),C(11),D(5),E(0)

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