图1示意某地区海陆热力环流、图2示意气温变化特征。读图,完成下面小题。
1.关于图2所示海陆热力环流的说法,正确的是( )
A.白天、陆风 | B.白天、海风 | C.夜晚、陆风 | D.夜晚、海风 |
A.①和② | B.②和③ | C.③和④ | D.①和④ |
A.8时至16时 | B.6时至12时 | C.0时至6时 | D.12时至18时 |
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