70 个单词? 那俺就随便写个：
(开头语,可要可不要）I’m a student of Yuying Middle School. I am very happy to introduce my school to you because I am so love my school, and it's more like our home. My school is large and nice, all teachers in school are kind, and love us so much that as they our parents. our school offer Chinese class, English Class, Math Class, science classes, and etc. we are all happy and welcome you to come to our school.