【題目】 廣西壯族自治區(qū)大化瑤族自治縣喀斯特地貌廣布，降水豐沛但多滲漏到地下流失。地質(zhì)專家曾鉆探至地下300米深，仍然找不到水，當(dāng)?shù)厝诵箫嬎щy。據(jù)此完成下面小題。

【1】喀斯特地貌主要分布于我國(guó)的（ ）

A.北方地區(qū)B.南方地區(qū)C.青藏地區(qū)D.西北地區(qū)

【2】當(dāng)?shù)仫嬎щy的主要原因是（ ）

A.全年高溫，蒸發(fā)旺盛B.工農(nóng)業(yè)用水量大

C.特殊的地質(zhì)條件不利于儲(chǔ)水D.水體污染嚴(yán)重

【3】解決當(dāng)?shù)仫嬎щy，可以采取的措施是（ ）

A.海水淡化B.開采地下水C.人工降雨D.修建蓄水池

【答案】

【1】B

【2】C

【3】D

【解析】

【1】喀斯特地貌主要分布在我國(guó)的云貴高原和廣西壯族自治區(qū)，位于我國(guó)的南方地區(qū)。故選B。

【2】讀材料可知，當(dāng)?shù)亟邓S沛，但是由于是喀斯特地地貌，特殊的地質(zhì)條件不利于儲(chǔ)水，所以當(dāng)?shù)仫嬎щy。故選C。

【3】海水淡化距離遠(yuǎn)，成本高，開采地下水非常困難，人工降雨需要特殊的條件，所以最好的方法就是修建蓄水池，把降水通過(guò)蓄水池儲(chǔ)存起來(lái)。故選D。

該題考查我國(guó)廣西的缺水的原因及解絕措施。分析材料結(jié)合所學(xué)知識(shí)解答即可。

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