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【题目】读中国四大地理区域图,回答下列问题.

(1)从四大区域来看,B是 地区:D是 地区.

(2)B地区与C地区的分界线大致与1月份0℃等温线相吻合,也大致与 mm等降水量线接近.

(3)写出图中数字所代表的山脉名称:①: ②:

(4)③是 (地形区名称),作物熟制是

【答案】(1)北方地区,青藏地区 (2)800 (3)昆仑山脉,秦岭 (4)东北平原,一年一熟

【解析】(1)我国幅员辽阔,自然环境复杂多样,形成了各具特色的地理区域。在我国地图上,把秦岭﹣淮河线、400毫米年等降水量线和青藏高原边缘线这三条重要的地理界线结合起来,并根据实际情况作一定的调整,就把我国划分为北方地区、南方地区、西北地区和青藏地区四大地理区域。据图可知:图中A为西北地区,B为北方地区,C为南方地区,D为青藏地区。

(2)秦岭-淮河一线是我国东部地区重要的地理界线,在它的南北两侧,自然环境、地理景观和居民的生产生活习惯有明显的差异。是我国南方地区与北方地区的分界线;一月份0℃等温线通过的地方;800mm等降水线通过的地方;暖温带与亚热带分界线;湿润区与半湿润区分界线;温带季风气候与亚热带季风气候分界线;水稻、小麦的分界线等。

(3)我国面积辽阔,地形复杂,山脉构成了我国地形的基本骨架。据图中山脉位置可知:图中①为昆仑山山脉,②为秦岭。

(4)据图可知:图中③是东北平原,东北平原主要位于中温带,作物熟制是一年一熟.

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