問題詳情
【題組】46.According to the passage, what is TRUE about bleaching?
(A).It is caused by a steady rise of sea temperature.
(B).It is caused by natural deterioration of coral reefs.
(C).It is caused by a dramatic rise of sea temperature, to which coral reefs respond by ejecting the coral polyps.
(D).It is caused by a dramatic rise of sea temperature, to which coral reefs respond by ejecting the algae that co-exist with them.
參考答案
答案：[無官方正解]
難度：非常困難0
統計：A(0),B(0),C(0),D(1),E(0)