Many people like flying kites.Long ago, the first kites were made by people in China. Then people around the world began flying kites. 1. 如今,人们在春季放风筝是一件极其普遍的事情。
One tale(传说)is that a man’s hat got lifted off by wind suddenly. 2. He had fun running after it, so he did it again! His hat became the first kite. Other tales say that people liked watching leaves on windy days. They tied leaves to strings(线)and watched them fly.
3. 在中国一般用纸和竹子制风筝。Kites can be painted with colors. A kite might be shaped like a dragon, a fish, or a box. Kites can send messages in the sky. 4. A kite may mean a new baby or a new couple. A kite can be used to wish you luck. The Japanese who make kites with lucky signs fly kites at the New Year.
Many countries set up days to fly kites. In Italy, they make whale kites(鲸鱼形状的风筝) with white eyes on black cloth. 5. China has a Kite Day Festival on September ninth.
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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