Xiaoxue:
Lily: I’m fine, thank you.
Xiaoxue: Where did you go last summer holiday?
Lily:
Xiaoxue: Where is Hainan?
Lily:
Xiaoxue: Did you go with your parents?
Lily: Yes, I did.
Xiaoxue: How did you go there?
Lily:
Xiaoxue: Did you swim in the sea?
Lily: Yes, we did. What about you, Xiaoxue?
Xiaoxue:
A.I went to Hainan. |
B.It’s in the south of China. |
C.How are you, Lily? |
D.I went there by plane. |
E.I visited my grandparents in Nanning. |
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