問題詳情
【題組】47.What made the passenger pigeon unique?
(A) Its decreased population
(B) Its custom of traveling in large groups
(C) Its winter migration habits
(D) Its sudden appearance before a storm
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
用户評論
【Chih-sheng】評論
The passenger pigeons were social birds, traveling in amazingly large numbers