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．