问题
单项选择题
Header and Footer are strings of text that are placed at the (73) of each page of a document．
答案
参考答案：D
解析：
页眉和页脚就是放在文档每一页顶部和底部的字符串。
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Header and Footer are strings of text that are placed at the (73) of each page of a document．
参考答案：D
解析：
页眉和页脚就是放在文档每一页顶部和底部的字符串。