1.雅鲁藏布江上游的“V”字形河谷形成的主要内、外力作用是( )
①板块张裂②板块挤压
③风力侵蚀④流水侵蚀
A.①③ | B.①④ |
C.②③ | D.②④ |
A.夏季受印度低压控制 |
B.常年受盛行西风影响 |
C.夏季受西南季风影响 |
D.常年受副热带高压控制 |
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