单词:systematic evolutionary pressure
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This is Morning Edition from NPR news. I am Steve Inskeep and I am Susan Stamberg. Russian and Chinese forces today begin 8 days of joint military exercises. Some ten thousand troops are expected to take part, making this their largest joint military
By Robert Raffaele Washington 27 March 2008 A new type of surgery may make it easier for patients who would otherwise require a more invasive procedure. The new type of operation makes it possible for doctors to remove unwanted tissue through a patie
By Lisa Bryant Paris 17 March 2006 A group of exiled Syrian opposition leaders announced in Brussels Friday it had formed a united front aimed at toppling the government of President Bashar al-Assad t
As was the common practice with the gods of Olympus,Zeus and Hermes were visiting the world in disguise.One day they came to a village.At a thousand house sthey knocked,and a thousand times they were refused rest and food and drink.At last
By Sarah Simpson Lagos, Nigeria 12 April 2007 In Nigeria, a last-minute decision by the government to declare Thursday and Friday national holidays is forcing a delay in a crucial court ruling on the upcoming presidential election. The court is decid