In the context of informatization, the opportunities and risks of developing countries and developed countries in economic globalization are relatively equal. Therefore, the economic development gap between developed and developing countries is showing a decreasing trend. Which of the following is true and can raise the most serious questions about the above conclusions? (). ['On the one hand, economic globalization has promoted rapid economic growth in various countries, but on the other hand, it contains unprecedented risks.', 'Even for a developed country like the United States, globalization has adversely affected it: excessive immigration, cheap goods, transnational crime, etc.', 'According to the report of the United Nations, from 1990 to 2000, the per capita annual income ratio of the top 15 and bottom 15 countries in the world according to their level of development expanded from 60: 1 to 74: 1.', 'Economic globalization has created countless employment opportunities for the world and created new development opportunities for millions of people.']