Cellular Telephones

Please choose the most appropriate answer for each sentence.
  • 1

    All ..... the world, cellular telephones are being used more and more.

  • 2

    Cell phones are hand- ..... devices; they are also called wireless or mobile phones.

  • 3

    Cell phones are ..... with users because they are small, light and easily transported.

  • 4

    Cellular telephones are actually little different than two- ..... radios.

  • 5

    A caller speaks into a cell phone, and it picks ..... his or her voice, transforming the sound into radio waves.

  • 6

    Then these radio waves are transmitted through the atmosphere until they meet a ..... base station.

  • 7

    The station sends your phone call ..... the standard telephone network, where it eventually reaches the receiver.

  • 8

    Cell phones provide a vast array of ..... these days, and new ones are being added all the time.

  • 9

    When someone calls you, your cell phone receiver ..... radio waves sent out by the base station.

  • 10

    Inside your cell phone, these waves are converted ..... into the sound of the caller's voice.

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