A Were you afraid?
B What did you see?
C How old are you?
D When did you see the accident?
E What did you do then?
A: Thank you for your coming first. ?
B: I’m fourteen.
A: You’re so young, but you’re very helpful. .
B: On the eleventh of May.
A: ?
B: When the man was crossing the street, a car hit him and I was just there.
A: ?
B: Of course not.
A: ?
B: I called the police and the police car arrived quickly. We sent the man to hospital at once. He was saved at last.
A: You’re brave enough. We’ll reward you.
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