2015年职称英语考试理工类完型填空训练(5)-查字典英语网
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2015年职称英语考试理工类完型填空训练(5)

发布时间:2016-03-01  编辑:查字典英语网小编

  An Intelligent Car

  Driving needs sharp eyes, keen ears, quick brain, and coordination between hands and the brain. Many human drivers have all ____1____ and can control a fast-moving car. But how does an intelligent car control itself?

  There is a virtual driver1 in the smart car. This virtual driver1 has eyes, brains, hands and feet, too. The minicameras ____2____ each side of the car are his eyes, which observe the road conditions ahead of it. They watch the ____3____ to the cars left and right. There is also a highly ____4____ driving system in the car. It is the built-in computer, which is the virtual drivers brain. His brain calculates the speeds of ____5____ moving cars near it and analyzes their positions. Basing on this information2, it chooses the right ____6____ for the intelligent car, and gives ____7____ to the hands and feet to act accordingly. In this way, the virtual driver controls his car.

  What is the virsual drivers best advantage3? He reacts ____8____. The minicameras are ____9____ images continuously to the brain. It ____10____ the processing of the images within 100 milliseconds. However. the worlds best driver ____11____ needs one second to react. ____12____, when he takes action, he needs one more second.

  The virtual driver is really wonderful. He can reduce the accident ____13____ considerably on expressways. In this case, can we let him have the wheel4 at any time and in any place? Experts ____14____ that we cannot do that5 just yet6. His ability to recognize things is still ____15____. He can now only drive an intelligent car on expressways.

  词汇:

  coordination / / n.协调,协同

  virtual /adj.虚拟的

  minicamera n.微型相机

  accordingly / adv.相应地

  millisecond // n.毫秒

  expressway / / n.高速公路

  注释:

  1.virtual driver:虚拟驾驶员

  2.Basing on this information:基于这些信息。Basing on this information是现在分词短语,用作状语。

  3.best advantage:最大的优点

  4.have the wheel:掌握方向盘,也就是驾驶汽车的意思。

  5.that:that替代上一句的let him have the wheel at any time and in any place。

  6.just yet:迄今还。yet意为迄今还,常用于否定句中。just修饰yet,起强调的作用。

  练习:

  1. A these B them C this D that

  2.A within B above C to D on

  3.A police B traffic C trucks D buses

  4.A mechanical B movable C automatic D electronic

  5.A another B other C each other D one another

  6.A line B lane C track D path

  7.A space B locations C instructions D time

  8.A quickly B cleverly C virtually D safely

  9.A bringing B taking C sending D carrying

  10.A selects B completes C uses D tests

  11.A at least B at most C at last D at best

  12.A So B However C Besides D Therefore

  13.A count B amount C digit D rate

  14.A warn B suggest C invite D check

  15.A unknown B few C untested D limited

  

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