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Amy: Yes.
Saleswoman: Of course. We have many pretty skirts.
Amy: This skirt is nice.
Saleswoman: Sure. Here you are.
Two minutes later. (两分钟后)
Saleswoman:
Amy: It’s pretty.
Saleswoman: It’s cheap. It’s 30 yuan.
Amy: OK. I’ll take.
Saleswoman: Thank you.
| A．How much is it? |
| B．Can I help you? |
| C．Can I try it on? |
| D．How do you like this skirt? |
| E．Do you have skirts? |
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
