1、Unit 2 Book 41. 对感到满意2. 使摆脱3. 在意; 关心4. 为而斗争(努力)5. 传播知识6. 欠发达国家7. 有关系,有影响8. 喜欢，照顾9. 对造成损害10. 使免于/免遭11. 集中(注意力/精力)于12. 逐渐增强，建立13. 对感到困惑14. 一个恼人的问题15. 宁愿;宁可16. 导致;造成(后果);通向17. 每(隔)几年18. 转向;向求助19. 死于饥饿20. 装备着/配备着21. 怀有的希望22. 过去的五十年1. feel/be satisfied with 2. rid of 3. care about4. struggle for 5. circu
2、late knowledge6. less developed countries7. make a difference8. care for9. do/cause damage to10. keep sth. free from/of 11. focus on12. build up13. be confused about14. a disturbing problem15. would rather16. lead to17. every few years18. turn to19. die of hunger20. be equipped with 21. with the hope of doing22. the past five decades
