According to Paragraph 3 why are there cracks in rocks?A.Because the rocks are fragile un

外语类 公共英语 已帮助 人

According to Paragraph 3, why are there cracks in rocks?

A.Because the rocks are fragile under sunlight.

B.Because the rocks are eroded by wind.

C.Because the liquid and solid water eroded rocks.

D.Because the rocks are broken by flood.

请帮忙给出正确答案和分析,谢谢!

热搜:medline数据库中to字段是表示非英文文献的原文题名

答案解析

难度★★☆ 搜索
  • 正确答案:C
    本题也是事实信息题。题目问:根据第三段,为什么岩石有裂缝?根据原文“…waterseepsintocracksbetweenrocks”,即水滴侵入到岩石里,岩石不断地浸湿或变干,如果结冰会导致裂缝变大,故选C。选项A(日晒)、B(风蚀)、D(洪水)这些原因都不符合原文。