[题目]古往今来.“桂林山水甲天下唤起了许多人的神往.结合所学知识.完成下列各题.[1]桂林山水形成的物质基础是A. 花岗岩 B. 石灰岩 C. 石英岩 D. 玄武岩[2]与桂林山水成因相似的是A. 云南石林 B. 长江三角洲 C. 华北平原 D. 新疆绿洲题目和参考答案——青夏教育精英家教网—

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【题目】古往今来，“桂林山水甲天下”唤起了许多人的神往。结合所学知识，完成下列各题。

【1】桂林山水形成的物质基础是

A. 花岗岩 B. 石灰岩 C. 石英岩 D. 玄武岩

【2】与桂林山水成因相似的是

A. 云南石林 B. 长江三角洲 C. 华北平原 D. 新疆绿洲

【答案】

【1】B

【2】B

【解析】试题分析：

【1】石灰岩经过水的侵蚀作用形成喀斯特地貌，例如溶洞、桂林山水等地貌，故桂林山水形成的物质基础是石灰岩，B项正确；花岗岩属于侵入岩，故A项错误；玄武岩属于喷出岩，故D项错误。

【2】桂林山水属于流水的侵蚀作用。长江三角洲属于流水的沉积作用，故A项错误；云南石林属于流水的侵蚀作用，故B项正确；华北平原属于河流的沉积作用，故C项错误；新疆的绿洲属于非地带性现象，故D项错误。

考点:外力作用及其地貌

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