单项选择题
A. They have no doubts about them. B. They hold different views about them. C. They approve of them. D. They avoid talking about them.
A. It aims to exert impact on international organization. B. It aims to reduce the impact of transnational organized crime and its influence on U. S. C. It aims to keep the United States safe from the threat of terrorism. D. It aims to maintain international peace and security.
A. Cancer. B. Lung problems. C. Heart attack. D. Old age.