To learn, you should learn high numbers and linear algebra at ordinary times; Politics: Hughes, Ma Yuan, Deng Xiaoping Theory, Mao Zong and Modern History.

It depends on the school syllabus.

On Polymer Materials and Engineering Postgraduate Entrance Examination

Generally, colleges and universities that are partial to engineering have to take exams: English, politics, advanced mathematics (compulsory exam)+a professional course.

For example: Zhejiang University, South China Institute of Technology, Donghua Institute of Technology. ...

Colleges that are partial to science should take the exam: English, politics+two specialized courses (materialization, organic, high quality, high quality ...)

For example: Nanda, Fudan, Jiaotong University, HKUST.