Mary: Hello, Lucy! Let's go to the Post Office. I want to send a letter.
Lucy: OK. Let's go. I want to send some postcards.
Mary: Where do you send your postcards?
Lucy: I'll send them to America. And where do you send it?
Mary: I'll send it to Canada.
Lucy: How much are the stamps?
Mary: I think ten yuan or more.
Lucy: That's too expensive.
Mary: I think so.
Lucy: Why not send an e-mail on the computer?
Mary: That's a good idea. Let's go and find a computer.
Lucy: Can you write an e-mail?
Mary: Yes, I can.
1.Where do Mary and Lucy want to go?
_______________________________________
2.What do they want to do?
_______________________________________
3.Where will Mary send the letter?
_______________________________________
4.What do they send at last?
_______________________________________
5.Is it too expensive to send the letter to America?
_______________________________________
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