2. There is also writing. I recommend reading Wu Guanle's Case Analysis of Writing Patent Application Documents for Invention and Utility Model (3rd Edition). I suggest buying it and learning slowly.
3. Look at the exam outline according to relevant laws.
For example, the 20 1 1 annual national patent agent qualification examination implements a national unified proposition, and the scope of the proposition is subject to the 201/national patent agent qualification examination outline. The applicant can operate according to the National Patent Agent Qualification Examination Guide 20 1 1 compiled by the Office of the Patent Agent Examination Committee.