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北师大版高中英语模块11--Unit33(3)-3

时间:2011-04-06 03:26来源:互联网 提供网友:hi6275   字体: [ ]
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[00:00.84]3 Your voice
[00:03.63]Cheaper and faster than a polygraph,
[00:06.18]the voice stress analyser,
[00:08.31]or VSA is based on the premise1
[00:10.85]that our voice changes when we are under stress
[00:13.90]-when we're lying for example.
[00:15.91]The VSA detects the changes,
[00:18.49]and will work on a telephone,
[00:20.29]tape recording2 or from the next room via
[00:23.30]a wireless3 mic or bug4.
[00:25.35]The analyser monitors the subject's
[00:27.56]voice patterns and inflections,
[00:29.99]and electronically evaluates their relative
[00:32.81]stress patterns to determine
[00:34.82]if they are lying or not.
[00:36.97]Now you can even buy a "Truth Phone",
[00:39.94]so when your friend rigns to say they're sick
[00:42.57]and can't do their share of your group project,
[00:45.52]you can immediately know
[00:47.29]if it's true or not!
[00:48.93]Research indicates this technology
[00:51.11]is not very precise at picking up
[00:53.46]deceitfulness however.
[00:56.26]4 Hesitation5
[00:58.39]The period of time between the last word
[01:00.71]of an investigator's question
[01:02.59]and the first word of the subject's
[01:05.13]response is know as "Response latency".
[01:07.82]Research tells us that the average  response
[01:10.44]latency for subjects who are telling the truth
[01:13.29]is 0.5 seconds...
[01:15.87]whereas the average latency for liars6
[01:18.60]is 1.5 seconds.
[01:18.60]


点击收听单词发音收听单词发音  

1 premise JtYyy     
n.前提;v.提论,预述
参考例句:
  • Let me premise my argument with a bit of history.让我引述一些史实作为我立论的前提。
  • We can deduce a conclusion from the premise.我们可以从这个前提推出结论。
2 recording UktzJj     
n.录音,记录
参考例句:
  • How long will the recording of the song take?录下这首歌得花多少时间?
  • I want to play you a recording of the rehearsal.我想给你放一下彩排的录像。
3 wireless Rfwww     
adj.无线的;n.无线电
参考例句:
  • There are a lot of wireless links in a radio.收音机里有许多无线电线路。
  • Wireless messages tell us that the ship was sinking.无线电报告知我们那艘船正在下沉。
4 bug 5skzf     
n.虫子;故障;窃听器;vt.纠缠;装窃听器
参考例句:
  • There is a bug in the system.系统出了故障。
  • The bird caught a bug on the fly.那鸟在飞行中捉住了一只昆虫。
5 hesitation tdsz5     
n.犹豫,踌躇
参考例句:
  • After a long hesitation, he told the truth at last.踌躇了半天,他终于直说了。
  • There was a certain hesitation in her manner.她的态度有些犹豫不决。
6 liars ba6a2311efe2dc9a6d844c9711cd0fff     
说谎者( liar的名词复数 )
参考例句:
  • The greatest liars talk most of themselves. 最爱自吹自擂的人是最大的说谎者。
  • Honest boys despise lies and liars. 诚实的孩子鄙视谎言和说谎者。
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