Inventions and Inventors. Reading
Read the article about headphones. Six sentences have been removed from the article. Choose from the sentences A-Fthe one which fits each gap.
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?
The first commercially successful set was designed by Nathaniel Baldwin in 1910 in the United States. (2) ______But letters written by Baldwin show that they probably weren't the first.
It is possible that the first headphones were created in the 1880s and worn by telephone operators. As the telephone moved into more people's homes, the telephone companies started to offer a new service. (3)______
They phoned a special number, then the operator connected them to the theatre. They put on their headset, which was worn under the head, not over, and listened to the opera or a play from their homes. (4)____
Headphones continued to develop during the 20th century and the quality of the sound got better and better. (5) ________They were small and lignt and worn in the ear. But they can fall out.
Also, wearers can often near other noises, so they increase the volume and that can be bad for the ear. (6)________Small is out - designer headphones are in. But whatever type you wear - under, over, in your ear, big or small - headphones are something most of us can't live without.
Read the article again and choose the best answers, A, B or C
1. Nathaniel Baldwin designed ...
2. The earliest headphones were probably used by
3. When people first got telephones they
4. In the 1980s, people liked using earphones because...
5. Earphones can create problems because users
6. Big headphones are popular now because of their
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома
