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Alan: Good afternoon, Mary.
Mary: Look, what's near the chair?
Alan: There is a coat near it.
Mary: What color is it?
Alan: It's yellow.
Mary: Whose coat is this? Alan, is this your coat?
Alan: No, it isn't. My coat is blue.
Mary: Is it Helen's coat?
Alan: Oh, yes. Helen's coat is yellow.
2．It is in the morning now.
3．There is a cap near the chair.
4．The coat near the chair is yellow.
5．Alan's coat is blue.
6．The yellow coat is Helen's.
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
