Kate: Hello, Bob. How are you?
Bob: Fine, thank you. And you?
Kate: I am OK. You look so happy. Why?
Bob: I went to Beijing last week.
Kate:
Bob: I visited the Great Wall.
Kate:
Bob: No, we didn't.
Kate:
Bob: I go there by train.
Kate:
Bob: My father went there with me.
Kate: Great! I want to go there.
A.How did you go there? |
B.Did you go there by plane? |
C.Who went there with you? |
D.What did you do 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