In 2022, the experimental operation examination office of physics and chemistry students in the whole province will do 24 test questions in its life, which are divided into 4 test questions units, each unit contains 6 experimental operation test questions, and each test question contains 1 physical and chemical students' experimental items.
The examination in our city takes junior high school as a unit, and every 12 examinee is a group. The examination room, examination number and question number shall be decided by drawing lots before the exam, and one-on-one invigilation shall be adopted to complete the exam within the specified time.