寒假期间,小明从杭州出发到哈尔滨观看冰灯展览。完成下面小题。
1.小明越过秦淮线后,所见景观真实的是( )A.河流封冻 | B.稻浪翻滚 | C.树木苍翠 | D.草长莺飞 |
A. | B. | C. | D. |
A.墙体厚、窗户小、屋顶坡度小 | B.墙体薄,窗户小,屋顶坡度大 |
C.墙体厚、窗户小、屋顶坡度大 | D.墙体薄,窗户大,屋顶坡度小 |
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