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自考《英语(一)》真题练习:概括大意(4.07)

2015年04月07日    来源:自考365   字体:   打印

  单选题

  1.【概括大意】Radar is now a familiar tool. Like many others it was an unexpected discovery. It was first observed by two researchers,who were studying sound communication. They were sending signals from a station on one side of a river in Washington D to a vehicle across the river. They discovered that their signals were stopped by passing ships. They recognized the importance of this discovery at once.

  The main idea of this paragraph is__________.

  A.Study of Radar

  B.Radar is now a familiar tool

  C.Radar Working Principles

  D.Radar was Discovered by Chance

  
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