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【题目】城市是人类活动对地理环境影响最深刻的地方,优越的地理环境更有利于城市的发展。下表为某中学地理研究性学习小组收集的某城市建设发展过程中水量的百分比变化情况。结合所学知识, 回答下列问题。

年份

降水量%

蒸发量%

地表径流 %

地下径流 %

1960

100

40

12

48

2013

100

27

41

32

1分析该城市水量百分比变化的原因。

2随着城市经济的迅速发展,汽车数量急剧增加,城市交通拥堵现象日益严重。请你为该市治理交通拥堵献策。

【答案】1城市的发展使越来越多的地表被硬化,被建筑物覆盖;地表径流量增大,地表水和雨水下渗减少使地下径流减少;植被减少,蓄水量减少,导致蒸发量减少。

2合理规划城市道路;加强和完善交通管理;优先发展公共交通;限制私家车的数量和出行等。

【解析】

试题分析:1结合表中水量的百分比变化情况,从城市发展导致建筑物增多、地表硬化、植被减少等方面思考即可。

2治理该城市交通拥堵需从优先发展公交、限制私家车数量、合理规划城市道路、加强交通管理等方面进行。

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