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Long, long ago, there was a young man. People called him Lord Ye. He liked to draw dragons very much. He drew many dragons in his house. His house became a world of dragons. A real dragon heard of Lord Ye. The real dragon was deeply moved. He wanted to visit Lord Ye and made a friend with him. One day, the real dragon came to visit Lord Ye. “Hi! Mr. Ye! Nice to meet you! ” Lord Ye was afraid of real dragon. He ran away as fast as he could. “Oh! My God! Help! Help!” he ran and shouted.
1．Lord Ye liked to draw dragons in his house.2．The real dragon thought Lord Ye liked dragons very much.
3．One day, Lord Ye came to vist the real dragon.
4．The real dragon wanted to make friends with Lord Ye.
5．The real dragon was afraid of Lord Ye. The dragon ran away.
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
