填空题 Translate the following passages into Chinese．(深圳大学2007研，考试科目：综合英语)As miracle goes, a number of Black Americans so nonchalantly taking the reins of huge companies does not, of course, really rank with the parting of the sea. However, it does say something significant concerning better opportu-nity in an arena that, until very recently, might as well have hung "Blacks Not Allowed"signs. And, if nothing else, the successes of such high-profile Afro-American figures as new corporate titans offer the black youngsters a glance at a possible future and a loftier path, and serve as a reminder to all of us, black or white, that a nation is at its best when talent triumphs over precedent, when preconceptions make way for excellence in whatever package excellence arrives.