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B: Yes, I’d like a hamburger, please.
A:
B: No, thanks. I don’t like pies.
A:
B: A glass of orange juice, please.
A:
B: Hot, please.
A: So a hamburger and a glass of hot orange juice.
B: Yes.
A: Twenty-two yuan, please.
B: OK. Here you are.
A: Thank you.
| A．What about a pie? |
| B．How much are they? |
| C．Can I help you? |
| D．Hot or cold (冷的)? |
| E．Anything else? |
| F．How much is it? |
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
