According to Shanghai Education News Network, we know the policies of 3+ 1 and 3+3 in Shanghai College Entrance Examination. First of all, 3+ 1 is the number of words plus one (physical chemistry, biology, politics, geographical history). The difference between 3+3 and 3+3 is that three more subjects are added. All subjects of 3+ 1 are recorded in the system of 150, and 3 +3 is still the number of words divided.

Shanghai generally refers to Shanghai. Shanghai, referred to as Shanghai or Shen for short, is a provincial administrative region, municipality directly under the Central Government, national central city, megacity and the core city of Shanghai metropolitan area in People's Republic of China (PRC) (China).