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Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a
国家地理2008年
Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a
国家地理2008年
Word Search is a fun word puzzle. People learning English can play. People teaching English can play. Each puzzle is for one player. The player searches for hidden words. The hidden words are on a grid. The grid contains 100 squares or more. Each squ
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SAN FRANCISCO, March 23 (Xinhua) -- Yahoo Inc. on Wednesday introduced a new feature to its search engine, which the company said can deliver answers and direct access to websites before users complete their query or hit the search button. The new fe
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音乐咖啡厅:Lil Eddie - Searchin' for Love 相关介绍：Lil' Eddie,原名Edwin Serrano。1984年7月12日生于美国纽约，一位相当有才华的RB/Soul歌手兼制作人。2004年他签约到了Yellowman/Big 3 Records唱片公司，19岁的
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Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours
VOA标准英语2013年(七月)