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Sherry: Yes. I want to buy books about Australia for my dad.
Shopkeeper:
Sherry: No, he is going for a work.
Shopkeeper: Wow, what does he do?
Sherry:
Shopkeeper: You’re a good girl. There are some magazines and books about Australia.
Sherry: That’s great.
Shopkeeper: They’re 98 yuan.
Sherry: Here you are. Thank you.
| A．Have a look, please. |
| B．How much are they? |
| C．Is he going on a trip to Australia? |
| D．Can I help you? |
| E．He’s a businessman. |
| F．How can I 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
