【題目】 堅持“綠水青山就是金山銀山”的發(fā)展理念,走可持續(xù)發(fā)展的道路,是長江流域今后發(fā)展的必由之路。據(jù)此完成下面小題。

1關于長江水文特征及原因,下列敘述正確的是( )

A.流域內氣候干旱,水量較小B.冬春季節(jié)氣候寒冷,結冰期長

C.流域內植被稀少,含沙量大D.夏秋季節(jié)降水集中,形成汛期

2促進長江流域可持續(xù)發(fā)展,一定要重點保護流域內的( )

A.山林濕地B.水利工程

C.工礦企業(yè)D.建筑用地

【答案】

1D

2A

【解析】

1

長江流域內氣候濕潤,降水豐富,河流水量較大,故A錯誤。冬春季節(jié)氣候溫和,河流無結冰期,故B錯誤。流域內植被茂盛,含沙量小,故C錯誤。流域內以亞熱帶季風氣候為主,夏秋季節(jié)降水集中,形成汛期,故D正確。故選D。

2

要促進長江流域的可持續(xù)發(fā)展,一定要保護流域內的山林濕地,起到涵養(yǎng)水源、減少含沙量、保持水土的作用,其他三項是錯誤的,故選A。

本題考查長江流域的保護與發(fā)展。

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