問題詳情

45. According to the passage, what beneficial roles do microbes play?I. Some bacteria have genes that may help improve human health.II. Some bacteria may help the human body in fighting infections.III. Some bacteria may function to help fight against autoimmune disorder.
(A) I only
(B) III only
(C) I and II only
(D) II and III only
(E) I, II, and III

參考答案

答案:C
難度:適中0.571429
統計:A(1),B(1),C(4),D(0),E(1)

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