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（A：assistant S：Sarah）
A：Can I help you?
S：Yes，please. I want a shirt.
A：En. How about the red shirt? Is it nice?
S：Yes, it is.But I like the white one.How much is it?
A：Thirty-five yuan.
S：OK! I’ll take it.
（1）Sarah wants to buy(买) a shirt.
（2）The red shirt are not nice.
（3）Sarah like red.
（4）Sarah buys(买) a white shirt.
（5）The shirt is forty-five yuan.
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
