Read the passage carefully and choose the correct answer.

 Today, there is a TV set in nearly every home. People watch television every day, and some people watch it from morning until night. Americans watch television about 35 hours a week. But is television good or bad for you? People have different answers. Some say that there is a lot of violence on TV today, the programs are terrible and people don't get any exercise because they only sit and watch TV. Others think that TV programs bring news from around the world, help you learn many useful things, especially children. Thanks to television, people learn about life in other countries, and it helps people relax after a long day of hard work.

What is there in nearly every home?

 Television first appeared some fifty years ago in the 1950s. Since then, it has been one of the most popular sources of entertainment for both the old and the young. Television offers cartoons for children, world news, music and many other programs. If someone is interested in sports, for example, he can just choose the right sports channel. There he can enjoy a broadcast of an international football match while it is actually happening. Television is also a very useful way for companies to advertise their products. It is not too hard for us to see why there is a TV set in almost every home today. And, engineers are developing interactive TV which allows communication between viewers and producers.

When did TV first appear?

What are the disadvantages of watching TV too much?

TV has been one of the most _____ sources of entertainment for both the old and the young.

How often do people watch TV?

Sports channel is for people who are ______in sports.

What can TV help people?

What does TV offer?