【答案解析】[参考范文]
High-speed railway in China
As the technology has been developing rapidly these days, a variety of changes has been seen in terms of transportations. High-speed railway is one of them.
Firstly, the success of high-speed railway indicates that our government has been making efforts to improve people"s welfares. People are becoming less worried about spending half of their holidays on the trains, while going travel.
Secondly, the popularity of high-speed railway can also make more and more people travel fast throughout the country. As the result, people prefer to choose this convenient way instead of their private automobiles, which may reduce of air pollution.
In conclusion, the high-speed railway in China demonstrates that china, as one of the modernized country, has advanced as well as the others.