Mary: Hello, Lucy! What are you doing?
Lucy: I am sending some postcards. How about you?
Mary: I’m sending a letter. Where are you sending your postcards?
Lucy: I’m sending them to America. And where are you sending your letter?
Mary: I’m sending it to Canada.
Lucy: How much are the stamps?
Mary: I think they are ten yuan or more.
Lucy: That’s too expensive (昂贵的).
Mary: I think so.
Lucy: Why not send an email on the computer?
Mary: That’s a good idea. Let’s go and find a computer.
Lucy: Can you write an email?
Mary: Yes, I can.
阅读对话并判断正(T)误(F)。
1.Lucy and Mary are at the Palace Museum. (
2.Lucy is sending her postcards to America. (
3.Mary is sending postcards, too. (
4.The stamps are cheap. (
5.Mary can’t write an email. (

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

