文档介绍：Unit 7 Text 20 Kofi Annan’s Speech at the United Nations?Questions:?1. What are the “hard” threats which cannot be ignored in Annan’s speech??2. Why somebody insists that Article 51 of the UN Charter is no longer tenable??Kofi Annan?Kofi Annan of Ghana became secretary general of the United Nations (UN) in 1997, eeding Boutros Boutros-Ghali of Egypt. Annan is the UN's first secretary general from sub-Saharan formation?uni-: 前缀,一,单一?unilaterally, uniform, unicycle, unicell?de-:前缀,减少,降低?degradation, degrade, declass, degenerate, descend?Birth: January 8, 1942 ?Place of Birth: Oxford, England ?Known for: Making advances in the field of cosmology Discovering several new properties of black holes Explaining theoretical physics to the public through books, films, and lectures?Career: 1962 Graduated from University College at Oxford University with a bachelor's degree in physics ?1966 Received his . in physics from the University of Cambridge?1966-1977 Served as a research assistant, taught physics as an instructor, and began to study black holes while moving through several positions at the University of Cambridge ?1974 Became one of the youngest fellows of the Royal Society, a anization in London ?1977-1979 Taught physics as a professor at the University of Cambridge ?1979- Became Lucasian Professor o