問題詳情

【題組】6. Spreading of bird flu viruses is much more likely caused by both legal and illegalpoultry trades than _____ through wild bird migrations.
(A) dispersing
(B) contracting
(C) soaring
(D) injecting

參考答案

答案：A
難度：適中0.5
統計：A(1),B(0),C(1),D(0),E(0)