Paleontologists’ assumptions about the equable nature of the climate on the primeval island of Pangaea are( )computer simulations indicating that the island’s temperatures tended to fluctuate during the course of a year.
问题1选项
A.undermined by
B.bolstered by
C.confirmed by
D.challenged by
【选项释义】 A. undermined by破坏 B. bolstered by由于 C. confirmed by证实 D. challenged by挑战 【考查点】词组辨析。 【解题思路】空格处与are构成被动语态,根据the equable nature of the climate(气候的可平衡性)以及temperatures tended to fluctuate(温度会产生波动)可知此处表示气候的可平衡性遭到了计算机模拟的破坏,所以温度会发生波动,undermined by“破坏”,因此A选项正确。 【干扰项排除】 B、C、D选项均与句意不符。 【句意】古生物学家假设在古大陆的原始岛屿上,气候的可平衡性被计算机模拟破坏,这表明在一年中岛上的温度往往会波动。