問題詳情
【題組】45. According to the passage, what is the most possible way to prevent pigs from being infected by particularswine flu?
(A) Keep pigs outside in winter days.
(B) Inject specific vaccines into pigs.
(C)Feed pigs on soft drink and bread.
(D) Invite vets to examine pigs every fall.
參考答案
答案：B
難度：簡單0.803279
統計：A(5),B(98),C(8),D(5),E(0)