强震过后,xī( )日的楼房变成了废xū( )瓦lì( ),到处一片hùn( )乱,救援组织临时安zhì( )点向难民发放蛋gāo( )、方便面等食品。大地在余震中chàn( )抖,偶尔传来bào( )裂声和物品zá( )毁声,cí xiáng( )的父母jǐn shèn( )地lǒu( )着受到惊吓的孩子。
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