Mike: Good afternoon, Yang Ling.
Yang Ling: Good afternoon, Mike.
Mike: What’s that on the floor(地面)?
Yang Ling: Is it a pen?
Mike: Let me see(让我看看). Yes, it’s a blue pen. Is this your pen?
Yang Ling: No, it isn’t. My pen is red. It’s in my pencil case. Perhapas(也许) it’s Su Hai’s.
Mike: Su Hai, is this your pen?
Su Hai: Yes, it is. Thank you.
Mike: Not at all.
1.It is morning now.
2.Mike finds(发现) a pencil on the floor.
3.Yang Ling’s pen is blue.
4.Su Hai’s pen is red.
5.Yang Ling’s pen is in the pencil case.
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