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Waitress: Can I help you?
Children: Yes.
Waitress: What do you want?
John: I want a hamburger, an icecream and a cola.
Waitress: OK! And what do you want, girl?
Amy: Er... I want two hot dogs, an icecream and a glass of orange juice.
Waitress: Yes. What do you want, kid?
Kate: I want the same as Amy, but I don’t want an icecream.
Waitress: I see! What do you want to eat?
Mike: I want to have a hamburger, chips and some milk...
John: I have 18 yuan.
Amy: Oh, my god! I haven’t enough money! I just have 15 yuan. Who can help me?
Kate: I have only 24 yuan.
Mike: I have 40 yuan.
| Menu Hamburger ￥10 Hot dog ￥8 Chips ￥15.5 Icecream ￥2 Cola ￥5 Orange juice ￥7 Milk ￥6 |
1．The children are at the restaurant.
2．John wants a hamburger, an icecream and a cola.
3．Kate wants two hot dogs, an icecream and a glass of orange juice.
4．Amy’s meal is 25 yuan.
5．Kate has enough money to help Amy.
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
