精选优质文档-倾情为你奉上(M1) Unit 1 School life 1. on (the ) average平均 2 used to do sth 过去常做某事 3. be happy with sth/ sb对某事满意;和某人一起开心 4. for free 免费 5. such as例如 6. encourage sb to do sth 鼓励某人做某事 7. introduce A to B 把A 介绍给B 8. pass sth on(to) sb 把某物传递给某人 9. be available for 对有用 10. far (away) from 远离;离开很远 11. make sure that确保;确信 12. graduate from university从大学毕业 13. upon/ on doing一就 14. surf the internet 上网 15. donate sth