1.More and more measures are being taken by the government to improve the stagnant economy conditions in the world. Some people believe such a practice is simply waste of money and energy. What is your opinion?

　　2.The fluctuating prices of housing in the country can cause severe consequences and only governmental actions can solve the problem. Do you agree or disagree?

　　3.Food can be produced much more cheaply today because of improved fertilizers and better machinery or chemistry technology. However, some of the methods or chemistry ways may be dangerous to human health, and have negative effect on societies. To what degree do you agree or disagree?