单词：gas hourly space velocity
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Lesson 12 Is It Necessary to Develop Toarism? Text A Little Good Will Can Help People Understand Each Other Today we had an American family, the Robinsons, for Sunday dinner. The man is in China on a
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Mom took Carol to the stable. Their horse was in the stable. They walked over to Sugar. Sugar was their horse. Say hello to Sugar, Mom said. Carol said, Hello, Sugar. Mom gave a carrot to Sugar. Sugar ate the carrot. He ate the carrot fast. Mom gave
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ENVIRONMENT REPORT – May 10, 2002: Effects of Global Warming By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Scientists say the warming of the Earth’s atmosphere has begun to a
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By Paul Sisco Washington 09 April 2007 Watch World Climate report Thousands of climate scientists and government policy administrators from more than 120 countries worked on the report for six years. After a reported all night session on April 5, the
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