第一单元知识要点 Unit1 Topic 1 一.短语 1. come back 2. see sb do/doing sth 3. feel sorry for 4. have been to/gone to 5. take photos 6. take part in 7. social activities 8. during summer holidays 9. disabled children 10. spend…..doing/on sth 11. learn sth from 12. have no time to do 13. do farm work 14. chat on line 15. have a hard life 16. in detail 17. afford children’seducatin 18. child laborers 19. in order to