新疆是全国优质棉生产基地,每年4月初棉花持续开播,无人驾驶播种机可一次性完成铺膜,铺滴灌带、播种、覆土等作业。下图为新疆棉花主要产地分布示意图和棉花机械化采摘景观图。
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(1)读上图,新疆的地形特征可以形象地概括为
(2)新疆是中国最大的
(3)“全球棉花看中国,中国棉花看新疆”。简要分析新疆棉花种植的有利自然条件。
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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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