The world's first headphones appeared more than a century ago. Quite an impressive period of existence, isn't it? Although it would seem that such a small thing, not so important in our lives detail. But if you think about it, no man lives without music, and some headphones even help to go with music through life. It turns out that the subject firmly settled in our daily routines. The appearance of the first headphones. Invented the first in the history of headphones Nathaniel Baldwin, and at home in the kitchen. He collected them from different parts of the phone, and the invention dates back to 1910. Early in his "career" headphones were used only in military activity: the radio operators, divers, etc. To the masses headphones come only after two decades after the invention. They immediately won enormous popularity among ordinary people, and with the advent of portable players their importance was overestimated. Still, after have the opportunity to enjoy their favorite music anywhere: in the transport, on the street, in cafes, etc are not disturbing other people.It is difficult to find an area of human activity where and would not use headphones. The most important role in the recording process. (изобрел Натаниэль Болдуин)
Dmitrii836
13.04.2021
1.May I come in? 2. Let me look at your exercises. I may be able to help you. 3. I cann't swim, because until this year the doctor did not allow me to be more than two minutes in the water. But this year he says I can stay in for fifteen minutes if I like, so I am go¬ing to learn to swim. 4. Libraries are quite free, and any one who likes can get books there. 5. I can come and see you tomorrow if I have time. 6. Take your raincoat with you: it may rain today. 7. Do you think you can do that? 8. I can finish the work tomorrow if no one bothers me any more. 9.May we come and see you next Sunday at three o'clock in the afternoon?
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Read these sentences and write do/does in the gaps:1. Paul like horseriding?2. Mike run a company?3. Jack play cards?
1. Does Paul like horse riding?
2. Does Mike run a company?
3. Does Jack play cards?