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（1）A. It’s on the chair.
B. It’s yellow.
C. It’s a sweater.
（2）A. It’s on the floor.
B. It’s on the second floor.
C. It’s on second floor.
（3）A. No, you aren’t. It’s cold.
B. No, you can. It’s cold.
C. No, you can’t. It’s cold.
（4）A. Yes, there are.
B. Yes, they are.
C. Yes, they aren’t.
（5）A. Yes. I want 5 tomatoes.
B. Yes, here you are.
C. Thank you.
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
