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【简答题】
(22分)阅读图文材料,回答问题。 材料一 图甲为非洲局部区域图,图乙为图甲中①、②两地的降水量统计图,图丙为坦桑尼亚主要矿产资源分布图。
材料二 过去,矿产只是坦桑尼亚的次要出口货物。近年来,中国投资帮助坦桑尼亚建设基础设施,使达累斯萨拉姆港的吞吐量和陆路交通得到极大改善,同时坦桑尼亚与中国和西方发达国家加强合作使矿业产值每年以20%以上速度发展,成为国民经济和出口的支柱产业。 (1)比较R 1、R 2两河入海口河段水文特征的主要差异。(8分) (2)简述①地与②地的降水的最主要差异并分析原因。(8分) (3)简析矿业成为坦桑尼亚国民经济和出口的支柱产业的原因。(6分)
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加强合作
基础设施
达累斯萨拉姆
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