問題詳情

24. According to the passage, rock breaks down into clay under all of the following conditionsEXCEPT when
(A) it is exposed to freezing and thawing
(B) roots of trees force their way into cracks
(C) it is combined with alkalies
(D) natural forces wear away the Earth's crust

參考答案

答案:C
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(0)

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