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Sally: Hello. John.
John: Great!
Sally: We went there by plane.
John: Can you tell me more about it?
Sally: Yes, it’s beautiful.
John: Were there many people there?
Sally:
John: Did you have a good time?
Sally: Yes. I won’t forget it.
John:
Sally: Yes, I did. I can show you some tomorrow.
John: That’s great!
| A．Yes, there were. |
| B．The mountains are wonderful. And the sky is magic. |
| C．I went on a trip with my parents. |
| D．Did you take any photos? |
| E．How did you get there? |
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
