【題目】影響撒哈拉以南非洲發(fā)展的三大問(wèn)題①、②、③依次是( 。

A.環(huán)境問(wèn)題、人口問(wèn)題、糧食問(wèn)題B.糧食問(wèn)題、環(huán)境問(wèn)題、人口問(wèn)題

C.人口問(wèn)題、糧食問(wèn)題、環(huán)境問(wèn)題D.糧食問(wèn)題、人口問(wèn)題、環(huán)境問(wèn)題

【答案】C

【解析】

撒哈拉以南非洲俗稱“黑非洲”,意為“黑色人種的故鄉(xiāng)”,泛指撒哈拉大沙漠中部以南的非洲。該地區(qū)主要位于熱帶地區(qū),氣候具有以赤道為街南北對(duì)稱分布的特點(diǎn),農(nóng)業(yè) 發(fā)展慢,糧食不能自給,熱帶經(jīng)濟(jì)作物、畜牧業(yè)、森林有優(yōu)勢(shì)。人口、糧食和環(huán)境是本地區(qū)目前面臨的主要問(wèn)題,應(yīng)采取的措施:保護(hù)環(huán)境,提高農(nóng)牧業(yè)生產(chǎn)水平;控制人口增長(zhǎng)、提高人口素質(zhì);加強(qiáng)民族團(tuán)結(jié)等。

非洲人口自然增長(zhǎng)率為2.3%,撒哈拉以南非洲人口自然增長(zhǎng)率更高,快速增長(zhǎng)的人口問(wèn)題,造成了糧食的極度短缺,為了滿足糧食需要,不斷以破壞生存的環(huán)境為代價(jià)增加糧食產(chǎn)量,但由于生態(tài)環(huán)境的惡化加劇,糧食產(chǎn)量低,糧食短缺。據(jù)此判斷,影響撒哈拉以南非洲發(fā)展的三大問(wèn)題依次是,①人口問(wèn)題、②糧食問(wèn)題、③環(huán)境問(wèn)題。故選:C。

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