It is clear that ___plays a important role in our life and work.

　　There may be some other reasons responsible for ___， but I think what has been mentioned above is generally acceptable.

　　This is my point of view as to how to___， and I am sure that my ideas are both sound and reasonable.

　　7.舉例子

　　A case in point is my neighbor， who_____.

　　I‘d like to quote a further example here.

　　According to a recent survey made by professor Wang， head of social department in Peking University， 90% of the people across the country are suffering from the problem.

　　Another survey also shows that the trend is turning from bad to worse.

　　8.結(jié)論句

　　Only in this way can we_____.

　　9.列舉意義的短語

　　In the first place， ___. In the second place， ___. Last but not the least， ___.

　　To begin with， ___. Furthermore， ___. The most important of all， ___.

　　On the one hand， ___.On the other hand， ___.In addition， ___.

　　For one thing， ___. For another， ___. What‘s more， ___.

　　First of all， ___. In the second place， ___. Conversely， ____.