石春祯220篇阅读验证真伪

精编英语阅读理解220篇 石春祯（2004年）

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In it’s 4.5 billion years, Earth has evolved from its hot, violent birth to the celebrated watery blue planet that stands out in pictured from space .But in a new book, two noted University of Washington astrobiologists say the planet already bas begun the log process of devolving into a burned-out cinder, eventually to be swallowed by the sun. By their reckoning, Earth’s “day in the sun” has reached 4:30 a.m. , corresponding to its 4.5 billion-year age. By 5 a.m. , the 1 billion-year reign of animals land plants will come to an end. At 8 a.m. the oceans will vaporize. At noon-after 12 billion year-the ever-expanding sun, transformed into a red gain, will engulf the planet , melting away any evidence it ever existed and sending molecules and atoms that once were Earth floating off into space. “The disappearance of our plane is still 7.5 billion years away, bur people really should consider the fate of ou