下图为我国某地聚落景观,当地居民以茶树种植为主业。读下图,完成下面小题。
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1.该景观的聚落形式及判断理由是( )
①城市 ②乡村
③从事农业生产 ④从事非农业生产
A.①③ | B.①④ | C.②③ | D.②④ |
A.宁夏平原 | B.内蒙古高原 | C.东南丘陵 | D.塔里木盆地 |
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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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