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Mum: I'm making noodles.
Lingling: Can I help you?
Mum: I want some eggs.
Lingling: Of course.
Waitress (女服务员):
Lingling: I want some eggs.
Waitress: Six yuan for ten.
Lingling: Ten, please.
Waitress:
Lingling: Thank you.
| A．Can you go to buy some eggs? |
| B．Can I help you? |
| C．How much is it? |
| D．Here you are. |
| E．What are you doing, Mum? |
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
