2019年,我国除港、澳、台外,快递量排名前五位的省级行政单位依次是粤、浙、苏、沪、鲁,排名后五位的省级行政单位依次是藏、青、宁、琼、新。
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(1)将图中缺失图例符号的两个省级行政单位用“
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(2)据图推测,我国快递量大致具有“______多______少”的空间分布特征。
(3)小华网购的优盘来自我国四大工业基地中______。
A.辽中南工业基地 |
B.京津唐工业基地 |
C.沪宁杭工业基地 |
D.珠江三角洲工业基地 |
(5)海南省快递量相对较少的可能原因是______。
(6)快递业迅速发展的同时,也带来了一些问题。请你举出一例______。
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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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