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2011年12月英语六级复合式听写原文答案(昂立版)

2012-01-06 21:38来源:汕头新闻网 点击:

2011年12月大学英语六级考试已结束,新浪网教育(微博)频道第一时间收集整理试题及参考答案,供考生参考,以下为昂立版英语六级复合式听写原文。

In the past, one of the biggest disadvantages of the machines has been their inability to work on the micro scale .For example, doctors did not have devices allowing them to go inside the human body to detect health problems or to perform. delicate surgery. Repair crews did not have a way of identifying broken pipes ,located deep within the highrise of apartment building .however ,that’s about to change .Advances in computers and biophysics have started a micro-miniature revolution that allows scientists to invasion and in some cases actually build microscopic machines .this devices promise to dramatically change the way we live and work .Micro machines already are making an impact . An case Western Reserve University in Cleveland, Ohio , research scientists have designed a 4-inch Silicon chip that hold 700 tiny primitive motors at Lucas..M sensor Center California .Scientists have perfected the world first microscope blood pressure sensor。

threaded through a persons’ blood vessels. the sensor can provide blood pressure readings at the wow of the heart itself .Although simple versions of miniature devices have had an impact . advanced versions had still several years away . Auto manufactures ,for example ,are trying to use tiny devices that can sense when to release an air bag and how to keep the engines and brakes operating efficiently; so futurists envision nanotechnology also being used to explore the deep sea and small submarines or even launch finger-sized rockets packed with micro miniature instruments . There is an explosion of new ideas and applications .so when scientists now think about new future machines ,doing large and complex tasks .they are thinking smaller than ever before

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