题目内容

【题目】读两大不同地形区中甲、乙两地相关资料，回答下列各题。

地区

经纬度

海拔（米）

一月平均气温（℃）

七月平均气温（℃）

甲

102°E，25°N

1891

7．7

19．8

乙

113°E，28°N

68

4

32

7．【1】甲、乙两地所在的地形区分别是

A．云贵高原、成都平原

B．黄土高原、华北平原

C．青藏高原、四川盆地

D．云贵高原、洞庭湖平原

【2】甲地夏季气温明显低于乙地，其主要原因是

A．所处地形类型不同

B．所处气候类型不同

C．所处海陆位置不同

D．所处纬度位置不同

【答案】

【1】D

【2】A

【解析】

试题分析：

【1】根据表格中的经纬度，结合海拔高度判断，甲所在地形区是云贵高原，乙地所在的地形区是洞庭湖平原，D对。 成都平原在110°E以西，A错。黄土高原、华北平原纬度在35°N以北，B错。青藏高原平均海拔在3000米以上，C错。

【2】甲地夏季气温明显低于乙地，其主要原因是所处地形类型不同，甲地是高原，海拔高，气温低。乙地是平原，气温高，A对。所处气候类型相同，B对。海陆位置、纬度位置差异不大，不是主要原因，C、D错。

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