搜索
Man: Good morning. Can I help you?
Boy: Yes, please. I want to b________ a walkman. I like listening to m________ very much.
Man: Oh, I see. Look, this is an________ one, I think. It's 200 yuan. It's a Japanese walkman. It's very good.
Boy: Oh, but I d________ like it. Do you have c________ walkmans?
Man: Yes, we do.
Boy: Can you s________ me that walkman?
Man: Yes, h________ you are.
Boy: Well, this walkman looks good. H________ m________ is it?
Man: 100 yuan.
Boy: Oh, sorry. I'm a s________ and I don’t have much money.
Man: How about this one? Only 50 yuan.
Boy: That's OK. I'll take 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
