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Mary: Good morning, Kitty.Where’s my ruler?
Kitty: What colour is your ruler?
Mary: It’s blue.
Kitty: Is the blue ruler on the desk yours（你的）?
Mary: No,it isn’t.It’s Sam’s.
Kitty: Look at the ruler under the chair.Is it your ruler?
Mary: Yes,it is.Thank you.
Kitty: Not at all（不用谢）.
[[QOrDeR]]It’s afternoon now. （
【小题2】Mary’s ruler is blue. （
【小题3】The ruler on the desk is Kitty’s. （
【小题4】Mary’s ruler is under the chair. （
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
