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Sam: I’m going to visit the China Pavilion(中国馆). Would you like to go with me?
Jim:
Sam:
Jim: Let’s go.
(At the entrance. 入口)
Jim: Here are our tickets.
Volunteer(志愿者):
Jim: Okay. Can you tell me theme of the World Expo (世博会主题)？
Volunteer: Better city, better life.
Jim: Thank you very much.
Volunteer:
| A．By bus. |
| B．Yes, I’d love to. |
| C．You’re welcome. |
| D．Where are you going? |
| E．Come in, please. |
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
