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Waiter：1____________
Xiaoli：Yes, please.
Waiter：2._____________
Xiaoli：I want some rice and fish.
Waiter：3._______________
Xiaoli：I want a cola.
Xiaoli：4.__________
Waiter：They’re twenty yuan.
Xiaoli：5._______________
Waiter：Thank you.
| A．Can I help you? |
| B．What do you want to drink? |
| C．Here you are. |
| D．How much is it? |
| E．What do you want to eat? |
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
