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It’s six o’clock in the evening. Liu Tao and his family are in the kitchen.
Lin Tao: Mum!
Mrs Liu: I’m cooking some vegetable soup.
Liu Tac: I like that.
Mr Liu: I’m cooking chicken with potatoes.
Liu Tao: Great!
Mr Liu: Sure.
Liu Tao: OK.
Mr Liu: Four, please.
| A．What about you, Dad? |
| B．Can you wash any potatoes? |
| C．What are you cooking? |
| D．Are you cooking chicken with potatoes? |
| E．How many potatoes do you want? |
| F．Is there anything I can do? |
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
