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2015年英语专业八级必威体育betwayAPP下载改错模拟题(1)

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  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:

  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

  相关推荐:

  2015年最新英语专业八级重点词汇

  2015年大学英语专业八级200高频词汇汇总

  名师指导:专八必威体育betwayAPP下载写作如何选择恰当词汇

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