27. Food can be produced cheaper if we use improved fertilizers and better machinery. However some of methods may be dangerous for human health, and have negative effects for local communities. What is your opinion?或In many countries traditional foods are being replaced by international fast foods. Some people think that there are negative effects on both family and the society. To what extent do you agree or disagree?或 A balanced diet, or eating balanced meals, is the key to a healthy life. To what extent do you agree or disagree with this statement? Give reasons for your answer.

　　28. Sending criminals to the prison is not the best method of dealing with them. Education and job training are better ways to help them. Do you agree or disagree? 或Some reports have discovered the incidence of violence /crimes commited by young women is increasing. Give possible reasons and and recommendations to the situation.

　　29.Some people believe that in order to give opportunities to new generation companies should encourage high level employees who are older than 55 to retire. Do you agree or disagree? Give your reasons and personal experience.或 In many countries，the proportion of older people is steadily increasing.Does this trend make positive or negative effects to society?

　　30. There is more and more violence in movies and on TV,therefore it is necessary for the govern to control the amount of it to decrease the violent crimes in the society.Do you agree or disagree?或“The media plays a valuable role in keeping us informed and entertained. However, many people believe it has too much power and freedom.” Discuss your views on this, giving examples and presenting a balanced argument both in favor of, and against, the power and freedom of the media.