試題詳解

60. What can be inferred from the last two paragraphs about the world’s temperature?
(A)It has risen nearly 0.2℃ since 1979.
(B) Its change will lead to weather extremes.
(C) It is 0.8℃ higher in 1979 than that of 1990.
(D)It needs to be controlled within 2℃ in this century.