Which of the following countries grow most rapidly in mobile phone market according to Patricia Michael A: Developing countries. B: B. Developed countries. C: African countries. D: American countries.

7. This province is one of the country's most ________ depressed areas. A: economy B: economic C: economical D: economics E: economically

______plants A: economic B: economical C: economics D: economy

Why did many countries of the South send students to the developed countries A: Because these countries need trained personnel to develop their countries. B: Because the developed countries need more qualified professionals. C: Because these students can stay on in the developed countries after the training. D: Because these countries want to establish friendly relationship with the developed countries.

The problem of "scarcity" applies A: only in industrially developed countries because resources are scarce in these countries. B: only in underdeveloped countries because there are few productive resources in these countries. C: only in economic systems that are just beginning to develop because specialized resources are scarce. D: to all economic systems, regardless of their level of development.