問題詳情

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)

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