大学英语读写基础教程Unit1

大学英语读写根底教程Unit1 　　导语：为了让大家更好地自学，了大学英语读写根底教程Unit1，欢送参考! 　　Unit 1 　　Text A 　　Many people often turn a

大学英语读写根底教程Unit1 导语：为了让大家更好地自学，了大学英语读写根底教程 Unit1，欢送参考! Unit 1 Text A Many people often turn ablind eye to the "ordinary" things in life. They are not aware of the existence and importance of the sun, water and air. In this text, the writer tells us how important the sun is to all living things on the earth and what would happen if the sun did not reappear the next morning. Great Baee of Fire Hugh Downs In an interview following my 1965 voyage across the Pacific in asmall sailboat, Iwas asked what power Ihad on that boat. "Atomic power," Itold the reporter. Iwasn't kidding: The boat did have an auxiliary engine and alimited fuel supply; but its main power was its sails. The sails, of course, did nothing unless there was wind, but the wind would not blow if there were not a temperature difference that made cooler air move into the space vacated by the rising warm air. And there would be no warmer air unless something heated it. That something is an atomic furnace 93,000,000 miles