试题与答案

Windos网络操作系统的全面优化方案还应包括有()。 A.释放保留的带宽 B.更换

题型:多项选择题

题目:

Windos网络操作系统的全面优化方案还应包括有()。

A.释放保留的带宽

B.更换高速硬盘

C.减少自动加载项目

D.加大物理内存

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A, C

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(1)前者大于后者的是          (多选、错选均不给分,下同);

①HA、HB的电离平衡常数     ②HA、HB的电离度     ③溶液中的c(OH-)

④溶液的导电性       ⑤溶液中由水电离出的c(H+)    

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③同时加入足量的锌,反应完全后生成H2的质量      ④二种酸溶液的导电能力

⑤用1mol/LNaOH溶液分别中和二种酸,消耗NaOH溶液体积

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①混合后溶液呈中性    ②混合后溶液呈酸性    ③混合后溶液呈碱性  

④混合后溶液中的溶质为NaA     ⑤混合后溶液中的溶质为NaA和HA

⑥混合后溶液中的溶质为NaA和NaOH

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