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Peter: I want a pair of trousers, please.
Salesman: How about this pair?
Peter:
Salesman: Sure.
Peter: Oh, they are too big for me.
Salesman: Sure. Here you are.
Peter: They are good
Salesman: They’re sixty-five yuan.
Peter:
Salesman: Thank you.
| A．I’ll take them. |
| B．Can I help you? |
| C．Would you please show me that pair of trousers? |
| D．How much are they? |
| E．Can I try them on? |
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
