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Amy:
Ms Smart: Yes.
Amy: Can I watch TV, please?
Ms Smart: Yes, you can.
Amy: Can I have an ice cream, please?
Ms Smart: No, you can’t.
Amy:
Ms Smart: No, you can’t go out! You’re ill.
Amy: Thanks, mum.
| A．Here you are. |
| B．But you can have a cake! |
| C．Mum, can I have a drink, please? |
| D．I can go to the shop for an ice cream! |
| E．No ice cream. |
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
