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Paper-cutting is a famous folk art with a long history in China. It was used during festivals to decorate gates and windows. After hundreds of years’ development, it has become a very popular way of decoration. The main cutting tools aren’t complex(复杂的): paper and scissors or a knife, but clever and skilled paper-cutting artists. can make very beautiful artworks. Chinese paper-cutting works have these features—“Flower in flower, theme in theme.” This means smaller pictures and stories are hidden in the works. You will be amazed by the wonderful designs when you look at their paper-cutting works carefully. Through Chinese paper-cutting, people express their best wishes.
| Paper-cutting |
| 1. Paper-cutting was used during |
| 2. After hundreds of yeas’ |
| 3.The main cutting tools are |
| 4.This means smaller pictures and stories are |
| 5.If you look at their paper-cutting works |
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
