搜索
A: Hey, Joe! How are you?
B:
A: I’m fine, too. Can I ask you some questions?
B: Yes, you can ask anything (任何事) you like.
A: You are so kind.
B: My favorite subject is math.
A: Oh, really? But I don’t like it.
B: Because it’s very interesting.
A:
B: Mr. Martin is my math teacher. He is great fun.
A: Wow! He is a very great teacher! When do you have it?
A: Thank you very much. Bye!
B: Bye!
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
