【題目】根據(jù)已學(xué)知識(shí),完成下列問題。

(1)三江源地區(qū)是世界上海拔最高,面積 _____的高原_______,有“__________”的稱號(hào),位于____________部,是黃河、______江和________江的發(fā)源地。

(2)三江源地區(qū)居住的少數(shù)民族是____族,是畜牧業(yè)為主的區(qū)域,主要牲畜品種有_____牛等,當(dāng)?shù)厣鷳B(tài)環(huán)境脆弱,過渡______、亂采濫挖等不合理的人類活動(dòng),加速了生態(tài)環(huán)境的惡化。為此,國(guó)家設(shè)立了三江源自然保護(hù)區(qū)。

(3)三江源地區(qū)屬于青藏高原地區(qū),該地區(qū)突出的自然環(huán)境特征是______,該區(qū)域夏季氣溫_____,晝夜溫差______,豐富的資源有___________、__________。(至少答兩種)

【答案】最大 濕地 中華水塔 青海 長(zhǎng) 瀾滄 放牧 高寒 太陽能 地?zé)崮?/span>

【解析】

本題考查三江源地區(qū)的水源、環(huán)境保護(hù)以及青藏地區(qū)的自然地理特征、農(nóng)業(yè)開發(fā)與利用。

(1)三江源地區(qū)是世界上海拔最高,面積最大的高原濕地,位于青海省南部,由于是黃河、長(zhǎng)江、瀾滄江等大江大河的發(fā)源地,因此被譽(yù)為“中華水塔”。

(2)三江源地區(qū)居住的少數(shù)民族是藏族,主要牲畜品種有牦牛、藏綿羊、藏山羊等,當(dāng)?shù)厣鷳B(tài)環(huán)境脆弱,過渡放牧、亂采濫挖等不合理的人類活動(dòng),加速了生態(tài)環(huán)境的惡化。為此,國(guó)家設(shè)立了三江源自然保護(hù)區(qū)。

(3)青藏高原地區(qū)突出的自然環(huán)境特征是高寒,該區(qū)域由于海拔高,夏季氣溫較低,晝夜溫差大,豐富的資源有太陽能資源、地?zé)豳Y源、水能資源、生物資源和礦產(chǎn)資源等。(至少答兩種)

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