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Yang Ling: Is that your pen?
Mike: Where?
Yang Ling: Look! It's behind the chair.
Mike: It's a red pen. It's not my pen. My pen is blue.
Yang Ling: Oh, it's Lily's!
Mike: Where is my pen then?
Yang Ling: Is this your pen? It's in your book.
Mike: Oh, yes. Thank you.
1．What colour is Lily's pen? ( )
| A．Red. | B．Blue. | C．Black. |
| A．It's on the chair. | B．It's in your book. | C．It's behind the chair. |
| A．Red. | B．Blue. | C．Black. |
| A．It's on the chair. | B．It's in Mike's book. | C．It's behind 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
