老师：Hello boys and girls. Welcome to Miss Fan's English class. It's nice to see you again. In this class, let's continue to learn. Unit 550. In the previous lessons, we've Learned how to be safe at home, in the street, at school and when we play. You've got firm medals. Congratulations. Now here is a surprise box for you. Let's open it together. There are many safety science here. What do they mean? Let's say together. What does it mean, right? Don't run. When we see this sign, please don't run. How about this one? Yes, you got it. Don't play football.
老师：When we see this sign, remember, don't play football there. It is not a good place for playing football spot. What about this one? You're right, don't swim. When we see this sign near the rivers and lakes, remember, don't swim there. It is dangerous. Okay, and this one, yes, be careful of the white floor. When we see this sign, that means the floor there might be white and slippery. You might fall down and get hurt. So boys and girls, be careful.
老师：How about this? Yes, you're right. Please take the crosswalk. When we see this sign in the street, please walk on the crosswalk. It is safe for you. Okay, and the last one, right, don't touch it.
老师：When we see this sign, remember, keep yourself away from it. It can be very dangerous for us. Okay, what else in the box? Let's have a look. A ribbon. Safety Helper ribbon. Now. im a safety helper do you want to be a safety helper like me lets start lesson five be a safety helper。
老师：同学们，在本节课，让我们大家一起变身安全小帮手，去户外看一看，对户外的危险行为进行劝阻和建议。
老师：are you ready lets go。
学生：First, let's look at the talk. Look, what place is it, right? It is a busy street. Near the street there is a park. There are many people and they are doing different things.
学生：Look, what are the boys doing, right? They are running in the street. Is it safe? No, it is dangerous. Running in the street is very dangerous. Here comes the girl. She's riding a bike while talking on the phone. Is that safe? No, it is very dangerous. Riding a bike while talking on the phone is very dangerous.
学生：The man is standing there. Why? Look, the traffic light is red. He is waiting for the green light. It is safe, right? Light stop. Green light, green light. Go, go, go. Remember, it is safe to wait for the green light.
学生：Look, there is a park near the street. The boys are playing football. Is it safe or dangerous? Yes, it is dangerous because it is near the street. They might get hurt and hurt others.
学生：Look, the girls are jumping rope near the lake. Can they jump rope there? No, because the ground near the lake is wet and slippery. They should stay away from it. Oh, the boys are swimming in the lake. Is it a good place to swim? No. You'd better go swimming in a swimming pool that is safe. All of
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