【題目】“三江源”地區(qū)被譽為“中華水塔”，對我國生態(tài)環(huán)境有重大影響，因此，我國設立了三江源自然保護區(qū)。據(jù)此回答以下問題。

（1）“三江源”地區(qū)位于 省 部，是黃河、 江和 江的發(fā)源地。

（2）“三江源”所在區(qū)域是 高原，突出的自然特征是 。

（3）青藏高原氣候獨特，太陽輻射 ，晝夜溫差 ，氣溫年較差 ，農(nóng)業(yè)上以畜牧業(yè)為主，種植業(yè)主要分布在熱量相對較充足，水源豐富的 地帶。

【答案】（1）青海 南 長 瀾滄 （2）青藏 高寒 （3）強 大 小 河谷

【解析】（1）三江源地區(qū)位于青海省南部，是黃河、長江和瀾滄江的發(fā)源地。

（2）“三江源”所在區(qū)域是青藏高原，突出的自然特征是高寒。

（3）青藏高原氣候獨特，太陽輻射強，晝夜溫差大，氣溫年較差小，農(nóng)業(yè)上以畜牧業(yè)為主，種植業(yè)主要分布在熱量相對較充足，水源豐富的河谷地帶。

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