搜索
（1）A. When were you born?
B. I was at home.
C. Where were you born?
（2）A. What did you do yesterday?
B. Where were you yesterday?
C. It was wonderful.
（3）A. OK. Good idea!
B. Let's go.
C. Thank you. The same to you!
（4）A: Wow, he's cool!
B. Yes; he is and he enjoys farming.
C. He's seventy years old
（5）A. No, I don't.
B: Yes, please.
C. Sure. I'd love to.
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
