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One day, Mr. White came home very late. He looked for the key to the door, but he couldn’t find it. He lost his key. He rang the bell; nothing happened. He did it again. Nobody moved inside the room. Mr. White knocked at the bedroom window, he spoke to his wife, he shouted, but she didn’t wake up. At last he stopped and thought for a moment. Then he began to speak like a small child. He said, “Mother, I want to go to the toilet.” He spoke quite quietly, but at once Mrs. White woke up. Then he spoke to her, and she opened the door for him.
1．One day, Mr. White couldn’t find the key to the door.2．Mr. White rang the bell and knocked at the bedroom window.
3．Mr. White wanted to go to the toilet.
4．His wife didn’t open the door for him.
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
