A.她轻轻地哼起“摇篮曲”:“月儿明,风儿静,树叶儿遮窗棂啊……” |
B.这些光都不是为我燃着的,可我也分到了它们一点点恩泽—— 一点光,一点热。 |
C.森林里有各种动物:虎、豹、象…… |
D.“快请进!”王阿姨笑眯眯地说,“谢谢你们来看我。” |
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