4. B.推理判断题.从最后一段的 talking about other parts of the world means Brooklyn and Queens in New York.和 In New York people would think it was a usual new club 可以推断,作 者对一些纽约人的看法,是"以自我为中心的".

　　阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。

　　US researchers have found traces of an ancient lake on Mars recently，increasing hopes of discovering evidence that billions of years ago the Red planet hosted life.

　　The lake，which dates back some 3.4 billion years，appears to have covered as much as 80 square miles and was up to 1,500 feet deep，said the team from the University of Colorado.

　　“This is the first clear evidence of shorelines on the surface of Mars，”said Boulder' s research associate，Gaetano Di Achille，in a study published in the latest edition of Geophysical Rese arch Letters.

　　“The identification of the shorelines and accompanying geological evidence allows us to calculate the size and volume of the lake，which appears to have formed about 3.4 billion years ago.”

　　Analysis of the images has shown the water carved out the canyon(溪谷)in which it was found，which then opened out into a valley depositing(使淤积)sediment(沉积)which formed a delta(三角洲)．

　　“Finding shorelines is a great discovery to us，”said assistant professor Brian Hynek，adding it showed the lake existed at a time when Mars was thought to have been cold and dry.

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