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	更新时间：2008/5/10 　» Download Audio Transcript of radio broadcast is not available. 相关主题链接: UN Seeks $187 Million in Aid for the Victims of Cyclone in Burma For Jenna Bush, a Texas Wedding Beats a White House Ceremony Why Oil Continues Its Climb From Forester to National Teacher of the Year American History Series: John Adams Is Elected Nation's Second President in 1796 Jackie Cochran Traveled With the Wind and the Stars How to Do 'Hands-Only CPR' Science Talent Searches: One Way to Earn Money to Go to College Using Charcoal to Make Soil Into Black Gold Beyond Country Roads: Exploring the Wild and Wonderful of West Virginia Curriki.org: A Place for Teachers to Share Materials Barbara McClintock, 1902-1992: She Made Important Discoveries About Genes and Chromosomes