The SEC as a kind of "consistency" quantitative analysis method, has many advantages, thefederal government and city ten several places are using this method to test proposition and curriculum standard consistency evaluation research. By adopting the SEC quantitative analysis method, research from two aspects of content elements, the cognitive level (new standard) 2010, 2011 and 2012 the national college entrance examination principle of chemical test and curriculum standards, between them there is no statistically significant consistency o...