单项选择题

Questions 6 to 8 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question.
Now listen to the news. Apple was the first to make popular ______.

A．Windows operating system
B．a graphical user interface
C．the use of icons
D．the use of personal computer

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单项选择题

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Questions 6 to 8 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. Apple was the first to make popular ______. 您的浏览器不支持 audio 元素。