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The meaning of BELL is a hollow metallic device that gives off a reverberating sound when struck. How to use bell in a sentence.
Alexander Graham Bell introduced his telephone to the world at the Centennial Exhibition in Philadelphia that year. Photo credit: Arnold, C. D. (Photographer). (1893). Bell telephone exhibit [Print Photo]. Retrieved from http://upload.wikimedia.org/wikipedia/commons/0/0c/Bell_Telephone_Exhibit...
Alexander Graham Bell And The TelephoneS. Crompton
从第二段"The photophone did not use electricity to carry sound over wires between two people. That's what a telephone does"可以推出telephone是靠电流来传播声音的。 3. D综合判断题。最后一段提到"Two much more recent developments made Bell, s dream come true", 而接下来介绍的两项发明是"the ...
Alexander Graham Bell, best known for his invention of the telephone, revolutionized communication as we know it. His interest in sound technology was deep-rooted and personal, as both his wife and mother were deaf. While there’s some controversy over whether Bell was the true pioneer of the...
Alexander Graham Bell ___ the telephone. A. found B. has found C. finds D. found out 相关知识点: 试题来源: 解析 A。本题考查一般过去时。亚历山大·格雷厄姆·贝尔发明电话是过去的事情,所以用一般过去时 found。has found 是现在完成时;finds 是一般现在时;found out 表示“查明、找出”,不符合语境...
Most people know Alexander Graham Bell invented the telephone. But not many know about another talking device he invented just four years later.in 1880. He called the device the photophone. Photophone comes form the Greek words for light and sound . The
Alexander__Graham__Bell___the__telephone__in__1876.A.discovered__ __B.invented__
Passive Voice: The telephone was invented (by Alexander Graham Bell). ewrite the sentences using the passive voice. 1. They sold the fridge at a low price. Fridge was sold at low price . 2. Somebody stole my camera from my hotel room.3...