１、 开头
It's well known to us that...
Recently,... has been brought to popular attention/has become the focus of public concern.
One of the universal issues we are faced with / that cause increasing concern is that...
People's view/opinions /ideas on ... vary from person to person.Some people think that ... they hold this opinion because... However,others hold that...
2、主要论述方法
A is to B what C is to D
According to ..., but there is no evidence whatsoever to show... The example cited,while suggestive of these trends,is insufficient to warrant their truth because there is no reason to believe that the data drawn form... is representative of...
As it stands, this argument suffers from three critical flaws.
3、结尾
In my opinion,it is more advisable to do ... than to do
Taking into account all these factors,we may reasonably come to the conclusion that...
It is time to take the advice of ... and to put special emphasis on the improvement of...
We should solve the problems that we are confronted/faced with It is high time that we put an end to... Otherwise,...
开篇句
1) Recently, sth./the problem of...has been brought to popular
attention/ has become the focus of public concern. A
(e.g. Recently, the problem of unemployment has been brought to such popular attention that governments at all levels place it on the agenda as the first matter.)
2) One of the universal issues we are faced with/that cause increasing concern is that...
(e.g. One of the universal issues that draw (cause) growing concern is whether it is wise of man to have invented the automobile.) 3) It is a traditional practice to...in our society.
(e.g. It is a traditional practice for young people to be financially dependent on their parents for anything like marriage and housing.) 4) When it comes to... (sth.), most people (the public) maintain(s)/contend(s) that...
5) A public debate has arisen as to/over/concerning...
(e.g. A public debate has arisen as to whether one should step forward bravely in the event of crime.)
6) Once in a newspaper/magazine, I hit upon the report that... (e.g. Once in a newspaper, I hit upon the news that a quick witted policeman spotted a suspect's spittle in the street blotted it up and ran a DNA test on it which led to the man's arrest for a murder. This case best counts as a practical application of the DNA technique.)
