名词：

1.影响：influence= impact

2.危险：danger = perils =hazards

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 = 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