1.澳大利亚年降水量空间分布的特点是( )
A.南多北少 | B.呈半环状向东递减 | C.西多东少 | D.呈半环状向西递减 |
A.降水充足 | B.地形崎岖 | C.人口密集 | D.草场广阔 |
A.四川盆地高温多雨 | B.东南沿海台风登陆 |
C.长白山区大雪纷飞 | D.华北平原绿树成荫 |
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