Tongtong: Wait, Brian. The light is yellow. The cars and buses must wait. We must wait, too.
Brian: OK. Now the light is red. Can we go now?
Tongtong: No. Don't go yet, Brian. When the light is red, the cars and buses must stop and we must stop, too.
Brian: Look, the light is green now. And we can go now. It's the same (同样的) way in the UK.
Tongtong: Yes, let's go! But first look to the left. Then look to the right.
Brian: That is different. In the UK, we look to the right first, and then we look to the left.
Tongtong: Why?
Brian: Because English people drive on the left side of the road.
Tongtong: Oh, I see.
1.Brian is from the countryside near London.
2.Today Tongtong and Brian are going to the post office on foot.
3.When the traffic light is red, the cars and buses must stop.
4.Go at a green light in China and the UK.
5.In China, people look to the right first, and then look to the left when they cross the street.
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