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Bob: A bottle of orange juice.
Ann: I want a bottle of cola.
Waiter:
Bob: Some noodles and two cakes.
Waiter: OK. A bottle of orange juice, a bottle of cola, some noodles and two cakes.
Bob: Thank you.
Waiter: Five pounds(英磅), please.
Bob: Here you are.
| A．Here you are. |
| B．What can I do for you? |
| C．How much? |
| D．Anything to eat? |
| E．What about you, Ann? |
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
