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Li Ming: Look, there is an umbrella, a mirror and a schoolbag over there.
Li Yan: Whose umbrella is that, Li Ming?
Li Ming: 1
Li Yan: Red. Is it yours?
Li Ming: Yes, 2 Thank you.
Li Yan: You're welcome. But you must put your things away.
Li Ming: 3
Gao Wei: 4
Li Ming: No, I think it's Lisa's.
Gao Wei: Lisa, is this your schoolbag?
Lisa: 5 Oh, yes, it's mine.
Gao Wei: 6
Lisa: Which book? 7
Gao Wei: Yes, it is.
Lisa: 8 I can give it to her.
Gao Wei: OK. Here you are.
Lisa: Thank you.
| A．Is this schoolbag yours? |
| B．it's mine. |
| C．What about this book? |
| D．It's Mary's. |
| E．Is it about animals' tails? |
| F．OK, I will. |
| G．What colour is it? |
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
