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【题目】将下列的界线与其相应划分区域连接起来。

①回归线 东西经度的界线

②30°纬线 热带和温带的界线

③60°纬线 中纬度地区和高纬度地区的界线

④北极圈 低纬度地区和中纬度地区分界线

⑤0°经线 寒带和温带的分界线

【答案】①回归线--热带和温带的界线

②30°纬线--低纬度地区和中纬度地区分界线

③60°纬线-- 中纬度地区和高纬度地区的界线

④北极圈 --寒带和温带的分界线

⑤0°经线--东西经度的界线

【解析】在地球仪上,有一些特殊的纬线和经线,回归线--热带和温带的界线,是南北纬23.5°的纬线,30°纬线--低纬度地区和中纬度地区分界线,60°纬线-- 中纬度地区和高纬度地区的界线,北极圈 --寒带和温带的分界线,是南北纬66.5°的纬线,0°经线--东西经度的界线,也叫本初子午线。

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