問題詳情

【題組】48. The word "both" in line 11 refers to
(A) Hazen and Brown
(B) penicillin and streptomycin
(C) the Department of Health laboratories at Albany and New York
(D) double effect

參考答案

答案:A
難度:適中0.564103
統計:A(22),B(7),C(4),D(4),E(0)