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A: Good afternoon. Can I help you?
B:
A: What colour do you like?
B: Blue.
A: Here is a blue skirt.
B: It’s OK. But it’s too long for me.
A: Yes. What about this short blue skirt?
B: I like it very much.
A: It’s 199 yuan.
B: OK.
A: Thank you.
| A．That’s my favourite colour. |
| B．How much is it? |
| C．Do you have a short one? |
| D．Yes, please. |
| E．I’ll take it. |
| F．Do you like 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
