材料一 图甲、乙图分别是东南亚局部图和南亚局部图
材料二 东南亚、南亚等“一带一路”沿线国是中国基础建设项目对外重点投资区域。该地区人口规模大,基础设施薄弱,与中国文化相近,为中国投资者提供了良好的投资机会。
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(1)图甲为
(2)图甲中山脉与河流的分布特点是
(3)图乙北部高大山脉的形成原因:由
(4)为什么东南亚、南亚是中国对外基础建设项目重点投资区域?
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同类型试题
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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