★ 名词：
1. 影响：influence= impact
2. 危险：dangerous = perils =hazardous
3. 污染：pollution = contamination
4. 人类：human beings= mankind = humane race
5. 老人： old people= the old = the elderly = the aged = senior citizens
6. 幸福：happiness = cheerfulness = well-being
7. 老师：teachers = instructors = educators = lecturers
8. 教育：education = schooling = family parenting = upbringing
9. 青少年：young people = youngsters = youths = adolescents
10. 优点：advantage = merits = superiority = virtue
11. 责任： responsibility = obligation = duty = liability
12. 能力： ability = capacity = power = skill
13. 职业： job = career = employment = profession
14. 娱乐： enjoyment = pastimes = recreation= entertainment
15. 孩子： children = offspring = descendant= kid
★ 短语：
1. 充满了：be filled with = be awash with = be inundate with = be saturated with
2. 努力：struggle for = aspire after = strive for = spare no efforts for
3. 从事： embark on = take up = set about = go in for
4. 在当代: in contemporary society = in present-day society= in this day and age
5. 大量的: a host of = a multitude of = a vast number of = a vast amount of
