1.老奶奶想:金盏花,除了金色,就是棕色从来没有白色的金盏花。不过,我为什么不试试呢?
敢于挑战专家,你有什么想对老奶奶说的?
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2.老奶奶对着听筒小声说:“我只想问一问,你们还要黑色的金盏花吗?我也能种出来……”
你觉得老奶奶能培植出黑色的金盏花吗?
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同类型试题
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
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