【題目】亞馬孫河流城氣候濕熱,森林茂密,擁有世界上面積最大的熱帶雨林,產(chǎn)生的氧氣占地球總氧量的1/3,被稱為“地球之肺”:該地區(qū)人煙稀少。結(jié)合所學(xué)知識(shí)回答下列小題。

1亞馬孫熱帶雨林被稱為“地球之肺”主要是指

A. 保持水土B. 釋放氧氣C. 物種豐富D. 涵養(yǎng)水源

2亞馬孫河流域入煙稀少的主要原因是

A. 氣候濕熱,不利于人類生存B. 地形崎嶇,交通不便

C. 早澇頻繁,農(nóng)業(yè)落后D. 資源不足,工業(yè)欠發(fā)達(dá)

3合理開(kāi)發(fā)和保護(hù)亞馬孫熱帶雨林措施符得當(dāng)?shù)氖?/span>

A. 毀林開(kāi)荒,發(fā)展農(nóng)業(yè)B. 采育結(jié)合,多種經(jīng)營(yíng)

C. 封山有林,禁止開(kāi)發(fā)D. 招商引資,大力采伐

【答案】

1B

2A

3B

【解析】

1亞馬孫熱帶雨林具有巨大的環(huán)境效益,因?yàn)槟軌蛭斩趸,釋放氧氣,凈化空氣的作用,被稱為“地球之肺”。故選B。

2世界人口的分布與自然環(huán)境的關(guān)系密切,在氣候溫暖濕潤(rùn),交通便利,地形平坦的地區(qū),人口稠密;在氣候濕熱,炎熱干燥、過(guò)于寒冷和地勢(shì)高峻的地區(qū)人口稀少。亞馬孫河流域人煙稀少的主要原因是氣候濕熱,不利于人類生存,故選A。

3熱帶雨林的開(kāi)發(fā)既要考慮經(jīng)濟(jì)效益,又要兼顧環(huán)境效益,才能實(shí)現(xiàn)可持續(xù)發(fā)展。毀林開(kāi)荒,發(fā)展農(nóng)業(yè)、封山有林,禁止開(kāi)發(fā)、招商引資,大力采伐,都不是可取的。采育結(jié)合,多種經(jīng)營(yíng)是可以實(shí)現(xiàn)可持續(xù)發(fā)展的措施。所以選B。

該題考查亞馬孫熱帶雨林的開(kāi)發(fā)和保護(hù),分析解答即可。

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