A. Don't play on the street! You must watch out for the cars and buses!
B. You must wear a life jacket.
C. Pay attention to the traffic lights, please. Don't go on the red light.
D. Don't eat too much. You must do sports. That's good for your body.
E. You must drive slowly.
In Iceland, it always snows. And the houses in villages are very far from the school. So the children go to school by sled. If it snows heavily, they will study at home on the Internet（互联网）.
In Britain, some children go to school by subway. It's fast and convenient. They must get on the subway one by one. They can't fight（打架）on the subway.
Some children in Germany go to school by bike every day. That's good exercise. And they must wear the helmet.
In foreign countries, we can see many different traffic signs on the road. If you want to be safe, you must pay attention to these signs.
Crosswalk-This sign means that people can cross the street first. So drivers must stop when they see someone waiting at the crosswalk.
No Right Turn-This sign means you can't turn right, so you have to be careful.
Stop-When you see this sign, your car or bike must stop and cannot go forward（前进）.
Yield-The sign means you need toslow down, but you don't have to stop.
Parking-The letter P on the sign means parking, and you can park here.
Deer-If you see this sign, you need to watch out for wildlife（野生动物）.
Playground（游乐园）-The sign tells drivers that there is a playground nearby and that they should slow down and watch out for children.
