問題詳情
【題組】50. What is the main idea of the last paragraph?
(A)Coral reefs are in little danger and don’t really need our help.
(B)It is important to remember that coral reefs are very old.
(C)Coral reefs will continue to survive with our help.
(D)Human beings have made greater damage to the reefs than natural threats.
參考答案
答案：C
難度：適中0.576923
統計：A(1),B(1),C(15),D(9),E(0)