Mike, Helen and Tim are at a s c .
Mike: Be c , Tim!
Helen: Can you see that s ?
Tim: What does it m ?
Helen: It m the floor is w . Then, they see a juice s .
Helen: Do you want s j ?
Mike & Tim: Yes, p .
Tim: Here’s a s . What does it mean, Mike?
Mike: It means you can’t l here. There is a b . Helen w to go in. Now they are eating some n in a restaurant.
Mike: You can’t take your juice i the shop, Helen.
Tim: Can you see that sign? It means you can’t eat o drink there.
Helen: I’m sorry.
Helen: Is someone s ? I can s it.
Tim: Please don’t s here. Can you see that sign? It means you can’t smoke here.
Man: OK. Sorry!
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