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Lucy: Hello, Robot Ai. Summer holiday is coming. I want to go traveling. Can you help me plan for it?
Ai: Sure.
Lucy: I went to Japan and France.
Ai:
Lucy: Great! Which country?
Ai: Maybe Australia is a good place to go.
Lucy: Sounds great!
Ai:
Lucy:
Ai: Two weeks would be nice.
Lucy:
Ai: My pleasure.
| A．How long will I stay there? |
| B．Where did you go before? |
| C．Thank you for helping. |
| D．I want to be a traveler. |
| E．You can visit Sydney and Melbourne. |
| F．Are you going to another country for traveling? |
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
