1. Overfishing is reaching ____ levels. According to a recent study, stocks of the biggest predatory species, such as tuna and swordfish, may have fallen by 90% since the 1950s.
(A) egalitarian
(B) concluding
(C) catastrophic
(D) soothing
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料