The mock exam is the first mock exam before the middle school entrance exam. When you enter the third grade, you will enter the sprint stage. Generally, there will be many mock exams. The difficulty coefficient of test questions in different stages of simulation examination is different; The purpose of mock exams is also different; The means and skills of testing are also different.
Juniorhighschool is short for junior high school. Junior high school is the primary stage of middle school, which generally refers to the nine-year compulsory education stage. It is a process of transition to high school and belongs to the category of secondary education. In China, the academic year system of junior high school is three years: Grade Seven (Grade One), Grade Eight (Grade Two) and Grade Nine (Grade Three).