Unit 5. According to the relevant data of the history of grade one and grade six of Jinan People's Education Press, we can know that the history midterm exam of grade one and grade six of Jinan People's Education Press got the fifth unit. Generally speaking, the history exam of the mid-term exam will take the first five units of a book, and make an all-round investigation of the multiple-choice questions and fill-in-the-blank comprehension questions of the five units, and comprehensively examine the children.