1.图中甲、乙对应的地形分别是()
A.天山、塔里木盆地 | B.昆仑山、准噶尔盆地 |
C.阿尔泰山、准噶尔盆地 | D.天山、柴达木盆地 |
①有我国最大的内流河 ②气候湿润,降水丰富
③油气资源丰富 ④地势平坦,水稻种植广
A.①② | B.①③ | C.②③ | D.③④ |
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