题型:阅读选择 题类: 难易度:困难
广东省湛江市2023-2024学年六年级上学期英语期末试卷
This is a street crossing.There are traffic lights at each corner(拐角).Drivers must watch the lights carefully.
When there is a green light, the cars may go on.When there is a red light, the cars must stop. They must wait until the red light changes into green. Then they can go on.
Some people are colour-blind(色盲), and they can't see the differences between red and green. These people mustn't drive, or there will be an accident(事故). We must keep our streets safe.
试题篮