問題詳情

28.
(A)It collapsed at least once in the past 1.3 million years.  
(B) It sits firmly on solid rock at the bottom of the ocean.  
(C) It melted at temperatures a bit higher than those of today.  
(D)It will have little impact on sea level when it breaks up.

參考答案

答案:A
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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