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1、最新【2017年英语专业八级考试改错模拟试题及答案1】英语专业八级词汇及音标专四专八网权威发布2017年英语专业八级考试改错模拟试题及答案1，更多2017年英语专业八级考试改错模拟试题及答案1相关信息请访问专业英语四级八级考试网。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 possibili
2、ty 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
3、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 characte
4、ristic 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 engag
5、e 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plicated改为complexion28.sight后加into29.neuroscientist改为a neuroscientist30.pursuing后加in31.later改为latter32.similar改为similarly33.去掉is34.times改为time35.if改为whether 点击免费试听 点击免费试听 推荐访问:2017年英语专业八级考试改错模拟试题及答案1英语专业八级改错真题英语专业八级改错ppt 第 2 页 共 2 页