12、Internet has been playing an increasingly important role in our day-to-day life. It has brought a lot of benefits but has created some serious problems as well.
互联网已在我们的生活中扮演着越来越重要的角色。它给我们带来了许多好处，但也产生了一些严重的问题。
13、Nowadays，(overpopulation) has become a problem we have to face.
如今，(人口过剩)已成为我们不得不面对的问题了。
14、With the development of science and technology， more and more people believe that…
随着科技的发展，越来越多的人认为…
2 中间过渡篇
引出不同观点：
1、People’s views on… vary from person to person. Some hold that… 。 However， others believe that…。
人们对…的观点因人而异。有些人认为…。 然而其他人却认为...
2、People may have different opinions on…
人们对…可能会有不同的见解。
3、Attitudes towards (drugs) vary from person to person.
人们对待吸毒的态度因人而异。
4、There are different opinions among people as to…
关于… 人们的观点大不相同。
5、Different people hold different attitudes toward (failure)。
对(失败)人们的态度各不相同。
6、A lot of people seem to think that…
很多人似乎认为…
7、It is commonly believed that… / It is a common belief that…
人们一般认为…
8、Many people insist that…
很多人坚持认为…
9、 我认为，…… / 我认为……不 I think / I don't think that …
我想知道是否…… I wonder whether …
例：He doesn't think I should stop him joining the club.
他认为我不应该阻止他参加这个俱乐部。
10、 Since + 主语+ 过去式， 主语 + 现在完成式。
例：Since he went to senior high school, he has worked very hard.自从他上高中，他就一直很用功。
3 结尾句型
1、Taking all these factors into consideration， we naturally come to the conclusion that…
把所有这些因素加以考虑，我们自然会得出结论…
2、Taking into account all these factors， we may reasonably come to the conclusion that…