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B: Yes?
A: I want to go to the train station, but I don’t know how to got the ticket from the TVM (自动售票机).
B:
A: How much is the ticket?
B:
A: All right. By the way, how often do the trains come?
B: About every six minutes.
A:
B: Let me see. At 1:00 p.m.
A: OK. Got it. Thanks for your help.
B:
A: Goodbye!
B: Bye-bye!
| A．This way, please. |
| B．What can I do for you? |
| C．5 yuan each. |
| D．It’s my pleasure. |
| E．What time is the last one? |
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
