[题目]某地质勘探小组在我国江南丘陵地区自西向东水平距离各相差500米的A.B.C三处对我国某地某沉积岩层进行探测.数据如表.当地表层为潮湿.粘稠的红土土壤.其下为沉积岩层.其中的沉积岩埋藏深度是指岩层距离地面的垂直距离.回答下列各题.地点ABC海拔(m)400250460某沉积岩埋藏深度(m)21273221[1] 该区域可能属( )A．向斜谷 B．背斜谷题目和参考答案——青夏教育精英家教网—

题目内容

【题目】某地质勘探小组在我国江南丘陵地区自西向东水平距离各相差500米的A、B、C三处对我国某地某沉积岩层进行探测，数据如表。当地表层为潮湿、粘稠的红土土壤，其下为沉积岩层，其中的沉积岩埋藏深度是指岩层距离地面的垂直距离。回答下列各题。

地点	A	B	C
海拔（m）	400	250	460
某沉积岩埋藏深度（m）	212	73	221

【1】该区域可能属（）

A．向斜谷 B．背斜谷 C．向斜山 D．背斜山

【2】该区域适宜种植的农作物是（）

A．棉花 B．大豆 C．苹果 D．茶叶

【答案】

【1】A

【2】D

【解析】

试题分析：

【1】根据表格数据中三地的海拔高度，该区域地貌类型可能是山谷，C、D错。根据到达某沉积岩层的埋藏深度，分布该地地质构造应是岩层向下凹，是向斜构造。可能属于向斜谷，A对，B错。

【2】该区域位于我国，根据地貌海拔高度分析是丘陵地形，土壤潮湿、黏重的红壤，应是我国江南丘陵地区。该区域是亚热带季风气候，优势农作物最可能的是茶叶，D对。苹果、棉花、大豆生长在温带，是温带作物，A、B、C错。

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