You may be surprised to discover that not everyone wants to hear your music. Fortunately, there is a very useful invention that can help - headphones. (1)_____They change an electrical signal into a sound in the user's ear. Of course, you will be familiar with headphones but do you know how long they have been around?

Тест на тему "Inventions and Inventors. Reading"

Варіанти відповідей:

People liked the feeling that they were at the theatre.
People could pay and listen to shows from theatres.
He made them in his kitchen and then he sold them to the American navy.
Headphones are small loudspeakers that are designed to fit over the ears.
The latest fashion is for really big headphones.
From the 1980s, earphones became very popular.

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- People liked the feeling that they were at the theatre.
- People could pay and listen to shows from theatres.
- He made them in his kitchen and then he sold them to the American navy.
- Headphones are small loudspeakers that are designed to fit over the ears.
- The latest fashion is for really big headphones.
- From the 1980s, earphones became very popular.

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