問題詳情
50. Technically, the term swine flu refers to influenza in pigs. Occasionally, pigs transmit influenzaviruses to people, mainly to hog farmers and _________.
(A) veterinarians
(B) vegetarians
(C) petrologist
(D) veterans
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增