Jack: Hi, John. How was your weekend?
John:
Jack: Huh?
John: I planned to go camping with my friend.
But it was rainy.
Jack: What a pity!
John: My parents wanted to make me happy.
So we had a picnic at home!
Jack:
John: Maybe we can go camping this weekend.
Jack: Yes, I’d love to. How about next Sunday?
John: OK, see you then.
A.Are you coming with me? |
B.What happened? |
C.It was bad but also good. |
D.What did you do then? |
E.Sounds great! |
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