問題詳情
【題組】47. Which statement about coral reefs is NOT true?
(A)Blast fishing is harmful to coral reefs.
(B)They are an important source of fish.
(C)Fishing with cyanide is acceptable to reef ecosystems.
(D)Water pollution has a negative effect on coral reefs.
參考答案
答案：C
難度：簡單0.75
統計：A(1),B(3),C(18),D(1),E(0)