Daming: Yes, Sam! This is Daming speaking.
Sam: Did you go to the supermarket yesterday?
Daming: No, I didn't. I watched TV. Lucy and Lingling went to the supermarket yesterday.
Sam: Oh! Did Lucy buy a pen?
Daming: No, she bought some pencils.
Sam: What did Lingling buy?
Daming: Let me see! Lingling bought a storybook.
1.Daming went to the supermarket yesterday.
2.Daming watched TV yesterday.
3.Lucy and Lily went to the supermarket yesterday.
4.Lingling bought a pen.
5.Lingling bought a storybook.

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

