問題詳情

3. Most often, hay fever is an allergic __________ to the pollen of trees, grasses or weeds, or thespores of molds.
(A) reaction
(B) function
(C) injury
(D) treatment

參考答案

答案:A
難度:適中0.52381
統計:A(33),B(6),C(13),D(5),E(0)

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