A: Hello, Amy. I want to buy a gift for my father.
B:
A: A hat.
B: Look at this red hat. It’s nice.
A:
B: What about this blue one?
A:
B: Does your father like black?
A:
B: Take this black one. It has got a star on it.
A:
A.Oh, yes. But it’s too big. |
B.Yes, he likes black best. |
C.Good idea. I’ll take it. |
D.What do you want to buy? |
E.My father doesn’t like this colour. |
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