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数据库逻辑结构在计算机存储空间中的存放形式称为数据的 【2】 。

答案

参考答案：存储结构或物理结构或物理存储结构

解析： 时间数据的逻辑结构在计算机存储空间中存放形式称为数据的存储结构。

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方程4x+2x﹣12=0的解x=（    ）．
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听力题

The food in Britain is very different (1)             our Chinese food. For example，they eat a lot of potatoes. They like to eat them every day. They eat bread for breakfast and usually for one other meal. They eat their bread (2)             butter, maybe cheese or jam, things we don’t eat much in China. Cheese and butter are made from milk. They drink a lot of milk, too. They drink the milk cold or hot, and they put it in their tea. They put sugar in their tea, as well. They are the world’s (3)             (big) tea drinkers. They like Chinese tea, but they drink mostly strong black tea from India and Sri Lanka. They don’t eat much rice. For their main meal they like meat or fish with (4)             (potato)and one or two vegetables. They serve all these together. After the main meal they always have something (5)             . They call this dessert（甜点心）. They don’t have Jiaozi in Britain.
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