1.徐霞客在考察了广西、贵州、云南后,对这一代的地貌作了总结:“峭峰离立,分行竞颖”。说明当地地形特点是
A.远看成山,近看成川 | B.地形破碎,山道崎岖 |
C.地势低平,河网密布 | D.千沟万壑,支离破碎 |
A.降水较多 | B.干燥少雨 | C.四季分明 | D.长冬无夏 |
A.开斋节 | B.那达慕大会 | C.泼水节 | D.元宵节 |
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