So to find out more, scientists Mr Brian Davis, Dr Gang Li and Professor William Murphy conducted an analysis of the DNA of all these species.

为了找出一个答案，科学家布莱恩戴维斯，李刚博士以及威廉姆艾菲教授对这些品种的DNA进行了分析。

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Brian Singer, partner at William Blair in Chicago, said the market's gains Thursday were more about a lack of any major negative developments than the appearance of any good ones.

NPR: S&P 500 Closes At A Record High, Beating '07 Mark

Eliminated on first preference votes were: Liberal Democrat Brian Blake, Independent Graham Caderwood, Independent Ivan Jordan, Independent Tam Macpherson, Independent William Morris, Independent John Smith, UKIP candidate Robert Smith (UKIP) and Labour candidate Nicky Williams.

BBC: Devon and Cornwall PCC: Conservative Tony Hogg elected