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　　①When you are in English you must be very careful in the street because the traffic drives on the left. Before you cross a street, you must look to the right first and then the left.

　　②When you go by bus in English, you have to be careful, too.

　　Always remember the traffic moves on the left, so you must be careful.③Have a look first, or you will go the wrong way.

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There is one language, and people, young and old , men and women, use it very often, in every country in the world. It is everyone’s second language . You can’t hear it, but it is very easy to understand . It is sign （手勢 ）language.
When you wave（招手）to a friend in the street, you are using sign language. When you put up your hand in class, you are saying “Please ask me, I think I know the right answer”. When a police officer wants to stop cars or buses, he puts up his hand. He’s using sign language. Churchill’s famous “V  for Victory（勝利）”is also sign language. Sign language is useful（有用的）in quite places full of noise (吵鬧聲). Even when you are swimming with your friends , you can have a talk under water.
【小題1】      in the world use sign language.

Do you often ride a bike to school? Here’s some advice for you.

Try not to use busy roads. In some cities there are special pains for bikes only. Use them when you can, but watch out—people often walk along them. Check the road before starting and look all around. Also, when you’re with friends on bikes, it’s much safer to ride behind, not next to, each other. Where one road meets another, you should take even more care. Slow down and check both roads. Use your eyes and be careful.

Check your bike often. Do all the parts work properly? Is there enough air in your tyres(輪胎)?

If you have an accident or fall off your bike, a helmet will protect your head. It must be the right
Size, so ask for help when you buy it.

You must use lights at night, so keep them clean and check the batteries. Don’t wear dark colours; yellow and white are the easiest colours for drivers to see.

A bike isn’t a toy and there should be only one person on it. Many children have accidents when
they play still games on their bike.

Red traffic lights aren’t only for cars and buses.They’re for you too if you’re on a bike.You’re also breaking the law if you go the wrong way up a one-way street.
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