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Feifei: Yes. This skirt is nice.
Clerk: Of course. Here you are.
Feifei:
Clerk: It’s 200 yuan.
Feifei: Oh, that’s too expensive.
Clerk:
Feifei: It’s very pretty. How much is it?
Clerk: It’s 80 yuan.
Feifei:
| A．Can I try it on? |
| B．It’s very cheap. |
| C．Can I help you? |
| D．How much is it? |
| E．How do you like that skirt? |
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
