Friday, the twelfth of February. Inventions around us. Necessity is the mother of inventions.
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Inventions around us
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How do we use them? is used for\ helps usclean our rooms \ houses
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a person who invented a phone a person who designed the first practical 4-weeled car a person who invented the first antibiotica person who invented jeansa person who discovered America. Columbus Alexander Bell. Aleksander Fleming. Levi Strauss. Karl Benz
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Ex. 5 a p. 139 What is this text about?When the telephone was invented?What people did Bell work with?How did he invented the telephone?When the first telephone exchange was happen?
New vocabulary wire – дріт bulky – громіздкий available – доступнийаdvanced - просунутий
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According to legend, the invention of the telephone was really an accident. In the 1870s, Alexander Graham Bell was trying to discover how to send more than one message at a time over a telegraph wire. In the process, he realized that he could use an electrical wire to send the sound of the human voice from one place to another. The earliest telephones were large boxes that attached to the wall. It was impossible to make calls through them without speaking to an operator first. A new type of telephone became available.
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Touch-tone phones first became available in 1963, but they were not common in households and businesses These telephones were expensive. In fact, telephone companies only made a small number of touch-tone phones at first because they did not think that most people would want to pay such high prices for them. The first cellular phones appeared in the early 1980s, but they were so bulky that most people either carried them in their briefcases or kept them in their cars. At first, people mostly used their cell phones for business or emergency calls.
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Now, cell phones are even more advanced. Many people own smartphones that allow them to connect to the Internet, check and write emails, find directions to places, and scan their tickets for concerts and sporting events. Some people even download programs that allow them to start their cars and open their garage doors from their phones!
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Say if statements are True or False. Bell invented the telephone by the accident . A. Bell wanted to write the massage. The first telephones were very small. Touch-tone phones were vey expensive. The first cellular phones were used for business or emergency calls. Modern smartphones has a large variety of opportunities.
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Transform the sentences in Passive Voice. The invention of the telephone was really an accident. The first cellular phones appeared in the early 1980s. In fact, telephone companies only made a small number of touch-tone phones. At first, people mostly used their cell phones for business or emergency calls. Some people even download special programs.