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Billy and his Mum are on the train.
Mum: What are you doing, Billy?
Billy:
Mum: What do you see?
Billy: I see many cars. Mum, I’m hungry.
Mum:
Billy: Yes, please. I’d like an apple.
Mrs. Jones: Would you like some bread?
Jane:
Mum: Okay.
| A．Would you like some fruit? |
| B．Here you are. |
| C．I’m looking out of the window. |
| D．No, thanks, 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
