
A.昆明老城. jpg、民族特色. mp3、春城简介. txt、魅力之城. swf |
B.昆明老城. jpg、魅力之城. swf、民族特色. mp3、春城简介. txt |
C.民族特色. mp3、昆明老城. jpg、春城简介. txt、魅力之城. swf |
D.民族特色. mp3、春城简介. txt、昆明老城. jpg、魅力之城. swf |

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

