tailieunhanh - Ebook The telephone how it works

Young children acquire language naturally. Unlike the adults, the children receive language without realizing that they are learning the language. They have the ability to imitate the pronunciation and himself discovered the rules. Reference book "The telephone how it works" for additional documents for the process of teaching English to the children. | fiHr How it works THE CHANGING SHAPE OF SOUND 1879 1880 1880 1905 This device required the user to speak into the box with the An Edison receiver 1879 The Gower-Bell telephone of the early 1880 s with two listening tubes 1 _________