lǎo lao( )一手拄着guǎi zhàng( ),一手牵着孙女的手往家走。此时,家家户户chuī yān( )袅袅,她们才huǎng rán( )xǐng wù( ),做晚饭的时间到了。她们走了一会儿累了,便坐在一块大石头上xiē jiǎo( )。小女孩的嘴里不住地niàn dao( )着:“我想要一些隔壁妮妮那样的漂亮糖纸……”
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