读等高线地形图(单位:米),完成下面小题。
1.图中AC间的山体部位是( )
A.山脊 | B.陡崖 | C.山谷 | D.山峰 |
A.C到A之间,等高线密集,坡度陡 |
B.C到A之间,等高线稀疏,坡度缓 |
C.B到A之间,等高线稀疏,坡度陡 |
D.B到A之间,等高线密集,坡度缓 |
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