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【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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