林线是山地森林上限连续不断的森林分布界线,下图为“我国75°E-102°E附近范围内高山林线高度随纬度变化图”。读图,完成下面小题。
1.图示说明( )
A.纬度越高,林线越高 | B.热量越高,林线越高 |
C.距海越近,林线越低 | D.降水越多,林线越低 |
A.全球气候变暖 | B.冰川扩张加剧 | C.山地雪线下降 | D.野生动物减少 |
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