尽管“启智计划”的毕业生往往会显示出智商的迅速提高，但这种提高并不会持续太久。
Although graduates of Head Start programs tend to show immediate IQ gains, these increases do not last.
从上世纪七十年代，在美国、新西兰、欧洲许多国家就开始实施婴幼儿启智教育计划。
Many countries such as the U. s. a, New Zealand, and countries in Europe have carried out enlightenment education programs for infants since 1970s.
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