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| Lunch A ￥10.00 | Lunch B ￥13.00 | Lunch C ￥15.00 | Lunch D ￥18.00 |
  |   |   |   |
Assistant(售货员): Can I help you?
Lily: Yes. I’d like Lunch C.
Assistant: What about you?
Jack: I don’t like juice. I choose Lunch B.
Assistant: OK.
Lily & Jack: How much are they?
Assistant: Lunch C is fifteen yuan and Lunch B is thirteen yuan.
Jack: All right. Here you are.
1．They are in a clothes shop(服装店).
2．Lunch C is fifty yuan.
3．Jack chooses Lunch B. Maybe(可能) he likes milk.
4．Lunch A is ten yuan.
5．If(如果) Lily has(有) sixteen yuan, she can choose(选择) Lunch D.
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
