41.不可推卸的义务

unshakable duty

42.满足需求

satisfy/meet the needs of…

43.可靠的信息源

a reliable source of information

44.珍贵的自然资源

valuable natural resources

45.因特网

the Internet(一定要由冠词，字母I大写)

46.方便快捷

convenient and efficient

47.在人类生活的方方面面

in all aspects of human life

48.环保(的)

environmental protection/environmentally friendly

49.社会进步的表达

a symbol of society progress

50.科技的飞速更新

the ever-accelerated updating of science and technology

51.对这一问题持有不同态度

hold different attitudes towards this issue

52.支持前/后种观点的人

people/those in fovor of the former/latter opinion

53.有/提供如下理由/证据

have/provide the following reasons/evidence

54.在一定程度上

to some extent/degree/in some way

55.理论和实践相结合

integrate theory with practice

56.…必然趋势

an irresistible trend of…

57.日益剧烈的社会竞争

the increasingly fierce social petition

58.眼前利益

immediate interest/short-term interest

59.长远利益

interest in the long run

60.…有其自身的优缺点

…has its merits and demerits/advantages and disadvantages