贺凯：《1850年前之中国简史》，斯坦福：斯坦福大学出版社，1978年。
Hucker, Charles O. China to 1850: a short History. Stanford: Satanford University Press, 1978.
乔治州和亚特兰大的学校监管人员凯西•克可斯和贝弗利•贺尔因持续提高的考试分数和升学率而获得表彰。
Kathy Cox and Beverly Hall, the school superintendents of Georgia and Atlanta, have won praise for improving test scores and graduation rates.
“我们已经试过所有A型流感的亚型，它们都能够跟这个抗体起作用，”这个研究机构的史凯贺爵士特别提到。
"We've tried every subtype of influenza a and it interacts with them all," noted Sir John Skehel from the research institute.
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