阅读理解

　　A sign is another kind of language．Here are some of them that you see on the roads．

　　Number 1 is a sign with the number thirty on it．When drivers see this sign, they must not go at more than thirty kilometers an hour．We see this sign when we are getting near a town．

　　Number 2 is a sign that we're near a crossing．We must drive carefully．

　　Number 3 is a sign that there is a bend(拐弯)in the road．Again, we must drive slowly and carefully．It is not safe to go around a bend very fast．

　　Number 4 is a sign that there is another road coming in from the right．There is a junction(交叉)at this place．

　　Number 5 is a sign that there is a hill．

　　Number 6 is a sign that the road gets narrow．Drivers must go slowly and carefully．

　　Number 7 has the word “SCHOOL” on it．This is a sign that there is a school at the side of the street or the road．Perhaps there are children going to or leaving school．So drivers must look carefully and go slowly．

　　Number 8 is a sign with the letter “P” on it．The letter “P” means “Parking”．At some places, there are the signs “No parking” or “No waiting”．If a driver leaves his car near one of these signs, a policeman may come and write down the number of his car．

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