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| 注：assistant 售货员 |
Mum: Yes, please. I want to buy a pair of shoes for my son.
Assistant: What size?
Mum: Size twenty-one.
Assistant: How about this pair?
Mum: I like those blue shoes.
Assistant: Here you are.
Mum: Thank you. Are they nice, John?
John: Yes, Mum. I like them.
Mum: How much are they?
Assistant: They’re thirty-five yuan.
Mum: They’re not expensive. OK. We’ll take them.
1．John’s mother wants to buy a pair of shoes for him.
2．John’s mother likes the red shoes.
3．John wears Size twenty.
4．The shoes are thirty-five yuan.
5．John likes the shoes.
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
