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（1）A.Yes, please. B. They’re fifteen. C. It’s thirteen yuan.
（2）A.Yes, she can B. Yes, she does. C. Yes, she is.
（3）A.They’re nine yuan. B. How nice! C. I’d like these socks.
（4）A.It’s three yuan. B. I have three. C. They’re three yuan.
（5）A.It’s red and blue. B. Here you are. C. They’re pink.
（6）A.Here you are. B. I’m tall. C. Over there.
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
