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By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di
2006年VOA标准英语（五月）
MICHEL MARTIN, HOST: The Jewish High Holy Days are upon us beginning with the Jewish New Year, Rosh Hashana, which ended last night. For many people, this is a time of celebration and spiritual renewal. But for some, it might be a challenging time, e
2017年NPR美国国家公共电台9月
By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis
2006年VOA标准英语（九月）
An ant once leaned too far over the edge of a fountain and fell in-to the water．A dove was watching from a tree nearby．She saw that the ant could not swim so she plucked off a leaf and threw it down to him．He managed to scramble onto it and in
趣味英语
One cold，frosty day in the middle of winter a colony of ants was busy drying out some grains of corn which had grown damp during the wet autumn weather．A grasshopper，half dead with cold and hunger，came up to one of the ants．Please give me a
趣味英语
An ant and a fly were contending heatedly who was of greater importance．The fly was the first to begin：Can you possibly compare with my endowments？When a sacrifice is made，I am the first to taste the entrails that belong to the Gods．I pass
趣味英语