1.江南采莲,莲叶荷。鱼戏莲叶间。鱼戏莲叶,鱼戏莲叶,鱼戏莲叶南,鱼戏莲叶北。
2.弯弯的小小的船,小小的船两尖。
3.一群大雁往南飞,一会儿排成个“”字,一会儿排成个“”字。
4.雪人肚 挺,他顽皮地说:“我就冬天。”
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