B: Yes, I’d like a birthday card.
A:
B: No, I’d like one for my mother.
A: What a good daughter!
B: It looks nice. But my mother doesn’t like red.
A:
B: She likes blue and green.
A: Of course. Here you are.
B: It’s nice. It’s my mother’s favourite.
A: Two yuan, please.
A.Do you want it for your teacher. |
B.How much is it? |
C.Can I help you? |
D.What is her favourite colour? |
E.Can I look at that green one? |
F.What about this one? |
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