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【题目】根据已学知识,完成下列问题。

(1)三江源地区是世界上海拔最高,面积 _____的高原_______,有“__________”的称号,位于____________部,是黄河、______江和________江的发源地。

(2)三江源地区居住的少数民族是____族,是畜牧业为主的区域,主要牲畜品种有_____牛等,当地生态环境脆弱,过渡______、乱采滥挖等不合理的人类活动,加速了生态环境的恶化。为此,国家设立了三江源自然保护区。

(3)三江源地区属于青藏高原地区,该地区突出的自然环境特征是______,该区域夏季气温_____,昼夜温差______,丰富的资源有_____________________。(至少答两种)

【答案】最大 湿地 中华水塔 青海 澜沧 放牧 高寒 太阳能 地热能

【解析】

本题考查三江源地区的水源、环境保护以及青藏地区的自然地理特征、农业开发与利用。

(1)三江源地区是世界上海拔最高,面积最大的高原湿地,位于青海省南部,由于是黄河、长江、澜沧江等大江大河的发源地,因此被誉为“中华水塔”。

(2)三江源地区居住的少数民族是藏族,主要牲畜品种有牦牛、藏绵羊、藏山羊等,当地生态环境脆弱,过渡放牧、乱采滥挖等不合理的人类活动,加速了生态环境的恶化。为此,国家设立了三江源自然保护区。

(3)青藏高原地区突出的自然环境特征是高寒,该区域由于海拔高,夏季气温较低,昼夜温差大,丰富的资源有太阳能资源、地热资源、水能资源、生物资源和矿产资源等。(至少答两种)

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