“纸上得来终觉浅,绝知此事要躬行。”在学习地图的相关知识后,小天和小才约好假期一起去景山公园游览实践。读图,完成下面小题。
1.小天从南门进入,向北登山抵达万春亭,发现万春亭所处的地形部位是( )
A.山顶 | B.山脊 | C.鞍部 | D.山谷 |
A.5m | B.20m | C.45m | D.90m |
A.沿着山谷行进 | B.路程较短 | C.先向南再向东 | D.坡度较缓 |
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