题目内容

当水中只有HCO3存在时,水质特征是其酚酞碱度为()。水中HCO3的含量()。

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You are upgrading the database servers that are used by all of the companys applications. As the first step in the upgrade, you upgrade the development database servers. You need to verify that the upgrade of the database servers did not introduce any errors into the databases. What should you do?()

A. Execute unit test scripts for each stored procedure in each database.
B. Execute the stored procedures in the SQL Server Management Studio debugger, and verify the results.
C. Set the database compatibility level on the database servers to 80.
D. Execute the application user interface test scripts to verify proper operation.

张某(女)因故意杀人罪被提起公诉,但是因其在怀孕期间,所以法院决定对张某取保候审,下列说法正确的是()。

A. 人民法院可以责令张某不得与特定的人会见或者通信
B. 如果在侦查阶段,公安机关就对其实施了取保候审,人民法院不必再做出重复决定
C. 对张某的取保候审应由人民检察院执行
D. 在取保候审期间,张某的住址、工作单位和联系方式发生变动的,应当在48小时以内向法院报告

简述平面色谱法的分类。

变更抚养权需要哪些手续?

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