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阅读理解 Six months after a Chinesescientist was widely condemned for helping to make the world's first gene­editedbabies, he remains out of public view, and new information suggests that othersmay be interested in undertaking the same kind of work outside the UnitedStates. A clinic in the United ArabEmirates city of Dubai emailed scientist He Jiankui to seek training in geneediting, Stanford University bioethicist Dr. William Hurlbut said ahead of aspeech Tuesday at the World Science Festival in New York. Hurlbut, whose advice He oftensought, said He told him that scientists from multipl（2012?延边州）一个数由五十个亿、六百二十三个万和四百个一组成，这个数写作50062304005006230400，改写成以“万”作单位的数是500623.04万500623.04万，四舍五入到亿位约是50亿50亿．