55. 理论和实践相结合 integrate theory with practice

54.在一定程度上 to some extent/ degree / in some way

53.有/ 提供如下理由/ 证据 have/ provide the following reasons/ evidence

52.支持前/后种观点的人 people / those in fovor of the former/ latteropinion

51.对这一问题持有不同态度 hold different attitudes towards this issue

50.科技的飞速更新 the ever-accelerated updating of science and technology

49.社会进步的体现 a symbol of society progress

48.环保(的) environmental protection / environmentally friendly

47.在人类生活的方方面面 in all aspects of human life

46.方便快捷 convenient and efficient