假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号（^），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下画一横线，并在该词下面写出修改后的词。
注意：1．每处错误及其修改均仅限一词；
2．只允许修改10处，多者（从第11处起）不计分。
Our net-school is made of four parts. Multimedia Teaching System makes teaching and learning easy and much more interesting. Students could get the more information and knowledge in class. Information Center, that we can send e-mails to all parts of the world and get the late information from the Internet, is open to both teachers and students. Long-distance Teaching System is for the student who are not studying in our school. We can study on the Internet by home. School Management System helps to improving our school management and it also meets the needs of a modern school.