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| A．But can I have some water? | B．You're welcome. |
| C．Good afternoon, Jill. | |
| D．Do you want some biscuits? | E．Are you tired? |
Lily: (1)
Jill: You don't look well. (2)
Lily: Yes, I'm tired and hungry.
Jill: (3)
Lily: Yes, I like biscuits very much.
Jill: Here are the biscuits.
Lily: Thank you. (4)
Jill: Sure. Here it is.
Lily: Thanks so much.
Jill: (5)
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
