按文件的逻辑存储结构分,文件分为有结构文件,又称为记录式文件和(),又称流式文件。
无结构文件
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Hearrived____London____acoldwinternight.
Although____Spanish,heattendedthecourse.
Oursisbeautifulschoolwithalonghistory,____weareproud.
Idon’thaveas______moneyasbefore,butmylifeismore______.
Underthis()pressuresomeoftherocksevenbecameliquid.