The reform should be notified three years in advance, so Tianjin implemented it on 20 17. According to the implementation opinions, in Shanghai, Zhejiang and other provinces that implement the comprehensive reform of college entrance examination, the scores of college entrance examination will include the scores of national unified examination subjects such as Chinese, mathematics and foreign languages, as well as the scores of three subjects selected from ideological and political subjects, history, geography, physics, chemistry and biology.