1. Some people think motorized flight was the greatest invention in the 20th century and it has the biggest impacts in our lives. To what extent do you agree or disagree?（反证法）
Nowadays motorized flight is used extensively. But is it the greatest invention in the 20th century?
The question is highly debatable.
Admittedly, motorized flight was a groundbreaking invention in the 20th century. It promoted the international business and promoted the international cultural communication. So it is a very important invention for us.
However, there were inventions even more influential than motorized flight. For example, computers play a very important role in our life. It makes our life more and more convenient. And when we go out, automobiles take us to the destination fastly. They are also important things in our life.
So in my opinion, motorized flight is one of the greatest inventions in our life, but some other inventions are more important than it.
2. Some people think stricter punishment for driving offenders( 触 犯者 ) is the only effective way to improve safety on the roads. To what extent do you agree or disagree?
In our daily life, many drivers break the traffic roles when they drive on the roads, so they cause many traffic accidents and make a large number of pedestrians(行人) lose their precious life.
Admittedly, giving driving offenders stricter punishment contributes to the improvement of road safety. According to the punishment, most drivers will not break the roles next time when they drive.
But I do not think it is the best way to solve the problem. In my opinion, there are plenty of other choices that can improve safety on the roads. I think we can talk to the pedestrians about the traffic rules to help them obey the rules better. Also, we can improve the traffic equipment to keep the safety when drivers are driving. For the drivers, we can tell them the harmfulness of the thing they did and give them proper punishments.
In a word, only punish the drivers who broke the roles is not enough. Improving the safety on the roads needs the effort of the whole society.
3. Some people think old buildings should be destroyed and replaced with modern buildings. Do you agree or disagree?
In our daily life, there are many old buildings, some of them are too old to live in for us. Whether they should be destroyed is a controversial issue.
I think some of the buildings should be destroyed. Their history is very long, so they are not safe; on the other hand, these buildings are not very beautiful, maybe they will spoil the cityscape.
And some other old buildings cannot be destroyed. For example, some buildings of historic value, they play a very important role in the city and they are the symbols of the city, also, there are plenty of tourists visit them every year, and this can make very much money to the local government. And, some special architectures such as the religious architectures must not be destroyed because as for the people who believe in the religion, the houses are very sacred(神圣的).
So in my opinion, some old buildings should be destroyed because of the development of the city, but the buildings with special meaning cannot be destroyed and they should be effectively protected.
4. Some high-school graduates go to travel or work for a period of time before they go to study in universities. Discuss advantages and disadvantages of this practice to their study in universities.
Nowadays, many high-school graduates go to travel or work for a period of time before they go to study in universities. They think this will give them many help in their study in universities.
In my opinion, as for the high-school graduates who wish to study humanities or social science in the university, go out to travel will make them get the knowledge about the cultures and customs in different places, and this is good for their study in the university. And work is also a good way to help them with their study. If they choose to work in a research institution(研究所) that study the history, that will be a good thing for them to study history class in the university.
As for the high-school graduates who intend to study science and engineering in the university, work before they study in the university will accumulate their experiences and it is good for their study.
However, if students spend time to work or travel before they go to the university, which means they have not enough time to prepare for life and study in the university.
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