• 填空题 主关键字应该具有________性,__________性,__________性。

  标签：河南财经政法大学SQLServer 2021-09-02 15:01

• 填空题 关系R是1NF，当且仅当所有的基础域仅包含________。

  标签：河南财经政法大学SQLServer 2021-09-02 15:01

• 填空题 消除列重复的关键字是_________，使用_________操作符从多个查询中创建单结果集，提交一个事务的语句为________ 。

  标签：河南财经政法大学SQLServer 2021-09-02 15:01

• 单选题 ( )The weather changes______ the season.

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 The faster anything goes up into the sky, _________.( )

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 As a rule, domestic servants doing odd jobs are paid_____.

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 Which of the following is true?

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 What is a microscope used for?

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 The writer began to love her mother’s desk ______.

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 Why don’t your parents let you drink dirty water?

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 单选题) What did mother do with her daughter’s letter asking forgiveness?

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 Which of the following is not true?

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 单选题) The passage shows that ______.

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 The word “gulf” in the passage means ______.

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

• 单选题 What’s the main idea of the passage? A. Germs may make us ill. B. Germs are in dirty water. C. Don’t drink dirty water. D. Take care of your fingers.

  标签：河南财经政法大学SQLServer 2021-09-01 22:27

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