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B: Yes. Is there a train to Guangzhou?
A: Yes, there is.
B: I want to leave at about 4:30 this afternoon.
A: OK.
B: Four, please.
A: It will arrive at seven o'clock tomorrow morning.
B: Great.
A: 900 yuan, please.
B: Here you are.
A: Thank you. Have a nice trip.
| A．When will the train arrive in Guangzhou? |
| B．How much are the tickets? |
| C．May I help you? |
| D．How many tickets do you need? |
| E．When do you want to leave? |
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
