数据仓库在收集数据过程中，会遇到一些略微不一致但可以纠正的数据，纠正的过程称为（    ）。

(单选题)What can be known about Reader’s Digest from the passage? (单选题)What is mainly talked about in the first two paragraphs? (单选题)When did De Will make his first trial of the magazine? (单选题)What is the purpose of De Witt Wallace creating the earliest (单选题)The first paper money（ ）. (单选题)The first metal coins looked like（ ）. (单选题)What was the first used as money? (单选题)In the Philippines Islands（ ）was once used as money. (单选题)下列说法正确的是（ ）。 (单选题)若厦门市民2016年二季度非高峰期驾车出行所花费的平均时间是25分钟，那么高峰期驾车出行所花费的平均时间是（ ）分