浙江专用2018_2019学年高中地理第一章环境与环境问题章末归纳提升课件湘教版选修620190121351.pptx

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章末归纳提升,专题 当前人类面临的主要环境问题,【例】 读下图,完成下列问题。,(1)图中、反映的环境问题分别是_、_、_。 (2)图中所示环境问题的污染源主要来自_。在我国,这类环境问题主要出现在_地区。 (3)图中所反映的环境问题在西欧和日本影响表现不明显。试分析其原因。,解析 根据各种环境问题的地域性特征,可以判断依次是沙漠化、酸雨、原始森林破坏、水土流失和海洋污染。在欧洲形成酸雨的酸性气体随西南风飘散,源自于欧洲大量的生产生活排放,我国则在南方有色金属冶炼地点较为突出。西欧降水较为均匀、地形平坦,以及土地压力不大、畜牧业为主要农业产业,所以水土流失不明显;在日本是极高的森林覆盖率为土石提供了庇护。,答案 (1)沙漠化 原始森林破坏 海洋污染 (2)工业废气、汽车排放废气、家庭炉灶废气(答其中2个即可) 南方 (3)西欧:地势平坦,降水均匀(植被覆盖率高);日本:植被覆盖率高。,

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