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Taotao:
Cashier: Good morning.
Taotao: I want a hot dog, please.
Cashier: And to drink?
Taotao:
Cashier: That’s a hot dog and some milk.
Taotao: Yes.
Cashier: It’s thirteen yuan.
Taotao: Here is the money(钱).
Cashier:
Taotao:
| A．Milk, please. |
| B．Thank you. |
| C．Can I help you? |
| D．Good morning. |
| E．You’re welcome. |
| F．How much is 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
