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Mark Twain is an American. He lives in New York.
One day, Mark Twain went to England. He was on a train. He put his ticket (票) in his pocket, and then sat down and read a book. The steward (乘务员) came to him and wanted to see his ticket. Mark Twain looked for the ticket here and there, but he couldn’t find it. So he said to the steward, “I’m sorry. I bought a ticket, but I can’t find it now.” The steward knew Mark Twain. So he said, “Don’t worry. If you can’t find it, it doesn’t matter.”
“Oh, but I must find it. If I can’t find it, I don’t know where I’m going.”
1．Mark Twain comes from America.2．One day, Mark Twain went to the US.
3．Mark Twain bought a ticket before he got on the train.
4．The steward didn’t know Mark Twain.
5．Mark Twain thought he didn’t have to find the ticket.
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
