試題詳解

45. Which of the following statements is TRUE?
(A). The bleaching events of the coral reefs were more frequent in the 1980s than today.
(B). The interval between bleaching events of the coral reefs has come to a halt today.
(C). The interval between bleaching events of the coral reefs today has diminished almost by one-fourth to one-fifth in recent decades.
(D). The interval between bleaching events of coral reefs has been widening ever since the early 1980s.