8 ） There is absolutely no reason for us to believe that....
9 ） To assume that...is far from being proved.
10 ） A close inspection of this argument would reveal how flimsy （ groundless ） it is.
11 ） On the surface （ At first thought ） , it may seem an attractive idea, but on second thought, we find that....
12 ） Too much emphasis placed on...may obscure other facts....
13 ） The problem / fact are that....
14 ） However logical this argument may be, it only skims the surface of the problem.
15 ） As far as I am concerned, I believe that....
16 ） Although I appreciate that..., I cannot agree with....
17 ） Those who object to ... argue that.... But people who favor..., on the other hand, argue that....
18 ） Currently, there is a general concern over....
19 ） Now it is widely acknowledged that.... But I wonder whether....
20 ） These days we often hear about ..., but is this really the case?
2 、中间段的常用核心句型
1 ） The change in...Mainly results from....
2 ） The increase in...Is due to the fact that....
3 ） Many people would claim that....
4 ） One of the reasons given for...is that.... What is also worth noticing is that....
5 ） There are a variety of reasons for this dramatic growth in.... First ... Second ... Finally...
6 ） There is no evidence to suggest that....
7 ） Why are （ is / do / did ） ...? For one thing ... For another...
8 ） There are numerous reasons why..., and I shall here explore only a few of the most important ones.
9 ） It will exert remarkable effect on....
10 ） A multitude of factors could account for （ contribute to ） the change in....
11 ） With the development of..., vast changes awaits this country society.
12 ） History is filled with the examples of....
13 ） The story is not rare （ isolated / unique ） , it is one of many examples.
14 ） As is shown in the table released by the government, it can be learned that....
15 ） There is （ no ） good evidence to....
16 ） We must admit the undeniable fact that....
17 ） No one can deny （ brush aside ） the fact that....
18 ） Experience （ Evidence ） suggests that....
19 ） The same is true of....
20 ） As the saying goes, “....
3 、结尾段的常用核心句型
1 ） Taking into account of all these factors, we may reach the conclusion that....
2 ） Judging from all evidence offered ， we may safely come to the conclusion that
3 ） It is high time that we place great emphasis on the improvement of....
4 ） It is high time that we put an end to the unhealthy situation （ tendency / phenomenon ） of....
5 ） There is no easy solution to the problem of ..., but ... might be useful.
6 ） Given the factors I have just outlined, I can only say that....
7 ） Unless there is a common realization of ..., it is very likely that....
8 ） There is no denying that serious attention must be called to the problem of....
9 ） It is essential that effective measures should be taken to prevent the situation.
10 ） It is fundamental that effective actions should be taken to control the tendency.
11 ） It is suggested that great efforts should be made to control the growth of....
12 ） It is hoped that great efforts should be focused on finding （ developing / improving ） ....
13 ） It remains to be seen whether ..., but the prospect is not quite encouraging.
14 ） It remains unknown whether ..., but the outlook is quite rosy.
15 ） Anyhow, wider education should be given to the possible consequences of....
16 ） Anyway, more publicity should be given to the potential effects of....
17 ） To reverse the trend is not a light task, and it requires a different state of mind towards....
18 ） To control the tendency is not an easy job, and it involves a different state of attitude towards....
19 ） For the reasons presented above, I strongly commit to the notion that....
20 ） To put all into a nutshell, I....
