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注：SA: shop assistant (商店售货员)
SA: Hello.
Lily: Yes. I want to buy a dress for a party.
SA: Yes. Come and have a look at the pink one. Do you like it?
Lily: It’s nice. But I don’t like pink.
SA:
Lily: I like blue.
SA: What about this one?
Lily: It’s nice.
SA: It’s 380 yuan.
Lily: Oh, it’s too expensive.
SA: Yes. That blue one is 100 yuan.
Lily: It’s cheap (便宜的) and nice. I’ll take that one. Here is the money.
SA: Thank you.
| A．What colour do you like |
| B．Can I help you |
| C．How much is it |
| D．Do you have any dresses |
| E．Do you have a cheaper (更便宜的) one |
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
