Last year Tom left school. He came to London to find a job. He went from one company to another, but no one wanted him. Now he had little money, so he came to the station. He was sad and tired. It was late at night and the station was full of people. They waited and bought tickets of the last train. He bought the last ticket and he felt very lucky.
At that time, a woman with a crying baby walked to him. She asked him to sell her the ticket. He gave it to her because he thought that they needed it more than him. After the train left, he sat on the bench and wondered, “Where can I go?” Just then,an old man came and said, '"Young man, I saw what you did to the woman. I have a big company. I need a good young man like you. Would you like to work for me?”
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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