题目内容

下列说法不正确的是（）。

A. 数据库减少了数据冗余
B. 数据库中的数据可以共享
C. 数据库避免了一切数据的重复
D. 数据库具有较高的数据独立

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A. You can buy only healthy soda.
B. All sodas at the school cost more now.
C. Theschool has stopped selling soda completely.

A. Theschool wants students to save money.
B. Theschool wants to make more money.
C. Theschool wants students to drink less soda.

A. Thereis a tax on soda there.
B. Sodais healthier there.
C. Schoolscan’t sell soda there.