The United Nations Conference on Drug Abuse whic

The human beings have polluted the environment seriously. It is time the United Nations mu

听力原文：The United Nations celebrated the 60th anniversary of its Charter on Monday with

Which of the following statements is true according to the passage？A．The United Nations sa

On the 20th【D1】______ of the first official report on AIDS the head of the United Nations

The decision of establishing the United Nations was made atA．the Tehran Conference.B．the Y

The United Nations Conference on Drug Abuse, which was held earlier this year in Vienna, w