When you are in England, you must be careful in the street because people drive on the left.
Before you cross a street,you must look to the right and the left. If the traffic lights are red, the traffic must stop. Then the people on foot can cross the road carefully.If the traffic lights are green, the traffic can go. People on foot mustn't cross.
In the morning and in the evening, when people go to or come back from work,the streets are very busy. The traffic is the most dangerous (危险的)then.
[[QOrDeR]]The people drive on the right in England.
【小题2】If the traffic lights are red, the people on foot can cross.
【小题3】If the traffic lights are green,the traffic must wait.
【小题4】Before you cross a street in England,you must look to the right and the left
【小题5】When the streets are busy, the traffic is safe.
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