Examination items: Candidates should bring the admission ticket, ID card and apply for "Su Kang code" at least/0/4 days before the examination, and make health declaration in time. On the day of the exam, the "Su Kang code" or "Sukangbao local code" is a green code, and there is no abnormality in travel itinerary, and both can provide negative proof of COVID-19 virus nucleic acid detection within 48 hours before the exam (based on the sampling time) (paper report, electronic report or Su Kang code can be displayed on the APP. The written test takes the form of closed test. Candidates are required to wear masks all the time, and they are not allowed to hand in their papers or leave early during the exam.