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2015年英语专八改错练习题及答案解析(11)

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2014-04-30 09:04  作者:  来源:可可英语  字号:T|T

  下面是2015年英语专八改错练习题及答案解析(11),希望考生认真训练,获得不错的复习效果。
  One important outcome of the work on the expression of genes in developing embryos
  is sure to be knowledge that can help preventing birth defects. Just as promising (26)
  is the possibility of unraveling the complicated writing (27) of the brain. A mechanic
  gets valuable insight how an (28) automobile works by rebuilding car engines;
  similarly, neuroscientists can learn how the brain functions from (29) the way it is
  put together. The next step pursuing the (30) goal is to find out how the blueprint
  genes, the home box genes, control the expression of other genes that create the valves
  and piston of the working cerebral engine.
  The protein encoded by the latter genes could change the (31) stickiness of the
  cell surface, the shape of the cell or its metabolism to create the characteristic
  peculiar to, say, neurons or neural-crest cell. Surface proteins may be the (32)
  mechanism, whereby similar programmed cells stick together to form specific structures;
  they might also sense (33)the local environment to help the cell decide what is to do.
  Clarifying those mechanisms will engage the best talents in (34) embryology and
  molecular biology for some times to come. (35) What is perhaps the most intriguing
  question of all is if the brain is powerful enough to solve the puzzle of its own creation.

  答案与解析:
  26.preventing改为prevent
  27.complicated改为complexion
  28.sight后加into
  29.neuroscientist改为a neuroscientist
  30.pursuing后加in
  31.later改为latter
  32.similar改为similarly
  33.去掉is
  34.times改为time
  35.if改为whether

  查看汇总:2015年英语专八改错练习题及答案解析汇总

  (实习编辑:何己派)

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