問題詳情
47. In the face of the threat posed by the H7N9 bird flu virus, the Department of Health has _______necessary prevention measures and designated the virus as a category 5 notifiable disease.
(A) enclosed
(B) implemented
(C) implanted
(D) impacted
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