No one can deny the fact that a person's education is the most important aspect of his life.
According to a recent survey, four-million people die each year from diseases linked to smoking.
No invention has received more praise and abuse than Internet.
People seem to fail to take into account the fact that education does not end with graduation.
Many experts point out that physical exercise contributes directly to a person's physical fitness.
Nowadays, many students always go into raptures at the mere mention of the coming life of high school or college they will begin. Unfortunately, for most young people, it is not pleasant experience on their first day on campus.
In view of the seriousness of this problem，effective measures should be taken before things get worse.
Proper measures must be taken to limit the number of foreign tourists and the great efforts should be made to protect local environment and history from the harmful effects of international tourism.
Many city residents complain that it is so few buses in their city that they have to spend much more time waiting for a bus, which is usually crowded with a large number of passengers.
There is no denying the fact that air pollution is an extremely serious problem: the city authorities should take strong measures to deal with it.
An increasing number of people are beginning to realize that education is not complete with graduation.
When it comes to education ,the majority of people believe that education is a lifetime study.
It is indisputable that there are millions of people who still have a miserable life and have to fact the dangers of starvation and exposure.
Although this view is widely held, this is little evidence that education can be obtained at any age and at any place.