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【判断题】
当用户要求保存文件时，文件管理系统必须把物理文件转换成逻辑文件；而当用户要求读文件时，文件管理系统又要把逻辑文件转换成物理文件。A.
错
B.
对
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举一反三
【单选题】Efforts were made by the government to stop the protest, but __.
A.
in person
B.
in effect
C.
in hand
D.
in vain
【多选题】土地、资本等生产要素参与价值分配表明（ ）
A.
其实质是生产要素所有权在经济上的实现
B.
各种非劳动生产要素参与了社会财富的创造并且是价值创造的物质条件
C.
各种非劳动生产要素是价值的源泉
D.
各种非劳动生产要素和劳动力要素共同创造价值
【简答题】In the long history of the Chinese tea ceremony, efforts were made by Chinese people to make tea drinking experience more enjoyable. For example, they have formulated very vivid and yet artistic expre...
【单选题】The first systematic efforts to teach people to read and to write were made from approximately ______.
A.
3000 to 4000 BC
B.
1000 to 2000 BC
C.
300 to 400 BC
D.
4000 to 5000 BC
【简答题】The producers of instant coffee found their product strongly resisted in the market places despite their product's obvious advantages. Furthermore, the advertising expenditure for instant coffee was f...
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