Every school day, we use schoolbags to carry all of our things to school. They are a big 1 of our lives. But have you 2 thought about the history of the schoolbag?
In the Han Dynasty (汉朝), students in old-style schools used bamboo boxes to 3 books to school. People think the bamboo boxes to be the 4 schoolbags. There were usually two or three layers (层) in the box. Kids put different things 5 books, brushes, ink stones and paper in the boxes.
Hundreds of years later, people developed a new kind of schoolbag 6 the budai. The budai was lighter than the bamboo box. People can carry it 7 . With the founding (成立) of the People's Republic of China, military rucksacks (军用帆布包) became popular. Many people carried them 8 they were in school. Ask your grandparents or parents 9 these bags. Maybe they can tell you about their 10 of carrying them when they were in school.
A new style of school bags 11 in recent years. Many of them have colorful and fashionable designs on them, such as pictures of cartoons or pop stars. And they are 12 comfortable to use. Some students pull wheeled bags filled with heavy textbooks and 13 carry backpacks.
Electronic (电子的) schoolbag are being used in many places now. Students don't 14 carry heavy schoolbag to school anymore.
Do you know what future schoolbags will be like? Let's 15 it.
