名词：
1.影响：influence= impact
2.危险：dangerous = perils =hazardous
3.污染：pollution = contamination4. 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