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Mary: Yes.
Jack: Sure. There was no library or gym in my old school then. There was only a small building.
Mary:
Jack: It was near a forest.
Mary:
Jack: Yes. There were many birds in the forest.
Mary:
Jack: I went to school on foot then.
Mary:
Jack: Yes. Haha!
| A．Where was it? |
| B．Could you see any birds? |
| C．How did you go to school? |
| D．That’s good exercise. |
| E．Can you tell me something about your school? |
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
