take the children home. If the police see a fight，people will ask the police how to get to a place in town. The police can always tell the people which way to go. They know all the streets and roads well.

Some police stand at crossings. They tell the cars when to go and when to stop. They make sure that the cars do not go too fast. They help children cross the street. They also help people who can't walk too well.

Without the police，our streets would not be safe. Cars might go too fast and hurt people. Lost people might never be found. The police do a good job. We need them. And we should thank them for a job well done.

9.The police do many things for us. They help keep our things and us _____. A. warm B. clean C. quiet D. safe 10. How do some of the police get around in some big cities? A. By taxi. B. On horses. C. By bus. 11. In the text，“put an end to” means “____”. A. stop B. cut C. kill D. fly 12. The text is mainly talking about the _____ of the police. A. life B. road C. job D. day

D

Big Ben is not the name of a man. It is the name of a huge（庞大的）clock in London. London is the capital of England. This clock has four faces. So，no matter where you stand，you can read the time on the face of Big Ben. Each face is the size of a double decker（层）bus. The hands are about four metres long. It is about the size of two people standing on top of each other. If you go to London，you may want to visit the Houses of Parliament（国会大厦）. There you will find Big Ben sits at the top of the clock tower（塔）in the Houses of Parliament. Maybe you will hear it as well as see it. The huge clock makes such a loud noise. “Ding dong，ding dong，”it goes every quarter of an hour.

The clock was named after a big man. He was Sir Benjamin Hall. This man did much building

D. On bikes.