Playing It Safe | On Wheels You need to be careful when you are on wheels（玩轮式运动）. Stop for stop signs or red lights. If you have to cross the street, always look left, right, and left again. 
① | Your head is very important. Wearing a helmet will protect （保护）your head from getting hurt. 
② | When you fall down, your wrists, knees and elbows may get hurt. Wrist, knee, and elbow pads can protect you. 
③ |
In the Water Lots of people love swimming, boating, and water sports. But every year, many people get hurt in the water. ④ | Always swim with your parents. And there should be a lifeguard（救生员） on duty. 
⑤ | Always follow safety signs and rules. Don't swim in the river or in the lake. 
⑥ | Conclusion Playing can be lots of fun. But playing can also be dangerous. Playing safely can. keep you from getting hurt. Make sure you and your friends. always play safely. ⑦ |
