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【题目】 坚持“绿水青山就是金山银山”的发展理念,走可持续发展的道路,是长江流域今后发展的必由之路。据此完成下面小题。

1关于长江水文特征及原因,下列叙述正确的是( )

A.流域内气候干旱,水量较小B.冬春季节气候寒冷,结冰期长

C.流域内植被稀少,含沙量大D.夏秋季节降水集中,形成汛期

2促进长江流域可持续发展,一定要重点保护流域内的( )

A.山林湿地B.水利工程

C.工矿企业D.建筑用地

【答案】

1D

2A

【解析】

1

长江流域内气候湿润,降水丰富,河流水量较大,故A错误。冬春季节气候温和,河流无结冰期,故B错误。流域内植被茂盛,含沙量小,故C错误。流域内以亚热带季风气候为主,夏秋季节降水集中,形成汛期,故D正确。故选D。

2

要促进长江流域的可持续发展,一定要保护流域内的山林湿地,起到涵养水源、减少含沙量、保持水土的作用,其他三项是错误的,故选A。

本题考查长江流域的保护与发展。

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