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Salesgirl: Can I help you?
Lucy: Yes, please. I’d like a sweater for my mother.
Salesgirl: What colour does your mother like?
Lucy: Blue.
Salesgirl: What about this one. It’s pretty.
Lucy: Yes, it’s nice. How much is it?
Salesgirl: It’s 89 yuan. What size does she wear?
Lucy: Size 36.
Salesgirl: Oh, this one is all right.
Lucy: OK. I’ll take it.
1．Lucy wants to buy a sweater. （______）
2．Lucy’s mother likes black. （______）
3．The size of Lucy’s mother is 36. （______）
4．The sweater is 89 yuan. （______）
5．Lucy doesn’t want to buy 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
