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Pb03 Posted 17 years ago
Vocabulary

Witness

Hi guys,

I don't know where the part colored in red below link to in the sentence?

If anyone could guess, would you explain a little bit for me?

It would be a big help for me.

Thanks a lot in advance~

pb

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Despite the widespread belief that the world has be come too complex for comprehension by
the human brain, modern societies have often responded effectively to critical situations.

The decrease in birth rates, the partial banning of pesticides, the rethinking of technologies for the production and use of energy are but a few examples illustrating a sudden reversal of trends caused not by political upsets or scientific breakthroughs, but by public awareness of consequences.

Even more striking are the situations in which social attitudes concerning future diffi culties undergo rapid changes before the problems have come to pass—witness the heated controversies about the ethics of behavior control and of genetic engineering even though there is as yet no proof that effective methods can be developed to manipulate behavior and genes on a population scale.
  

Top answer

Hi, Even more striking are the situations in which social attitudes concerning future diffi culties undergo rapid changes before the problems have come to pass— witness the heated controversies about the ethics of behavior control and of genetic engineering even though there is as yet no proof that effective methods can be developed to manipulate behavior and genes on a population scale. I'd writte it as a separate sentence. Even more striking are the situations in which social attitudes concerning future difficulties undergo rapid changes before the problems have come to pass .

  • Hi, Even more striking are the situations in which social attitudes concerning future diffi culties undergo rapid changes before the problems have come to pass— witness the heated controversies about the ethics of behavior control and of genetic engineering even though there is as yet no proof that effective methods can be developed to manipulate behavior and genes on a population scale.
  • I'd writte it as a separate sentence.
  • Even more striking are the situations in which social attitudes concerning future difficulties undergo rapid changes before the problems have come to pass .
  • W itness the heated controversies about the ethics of behavior control and of genetic engineering , even though there is as yet no proof that effective methods can be developed to manipulate behavior and genes on a population scale.
  • 'Witness .
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1 Answers
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Hi,

Even more striking are the situations in which social attitudes concerning future diffi culties undergo rapid changes before the problems have come to pass—witness the heated controversies about the ethics of behavior control and of genetic engineering even though there is as yet no proof that effective methods can be developed to manipulate behavior and genes on a population

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