搜索
Lily: Hello, Lucy.
Lucy: Fine, thanks.
Lily: I'm fine, too. You are back from China!
Lucy: Yes, I am home.
Lily:
Lucy: I came back last Sunday.
Lily:
Lucy: I visited my cousin Daming.
Lily:
Lucy: Yes, I did.
| A．What did you do there? |
| B．How are you? |
| C．Did you have a good time there? |
| D．And you? |
| E．When did you come back? |
| F．How did you go 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
