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【简答题】
25 °C时,0.05mol/l Ba(OH) 2 溶液中氢离子浓度? 2.已知25 °C 时,0.1mol/l HAc 解离度为1.32%,求氢氧根浓度? 3.某温度下,纯水中氢离子浓度约为 1x10 -6 mol/l,则氢氧根浓度为? 4.已知 25 °C某溶液的氢氧根浓度为 1x10 -3 mol/l,计算该溶液的氢离子浓度? 5. 已知 25 °C时,0.1mol/l HCN 解离度为0.01%,求由水电离的氢离子浓度?
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【简答题】药物作用的二重性
【简答题】The sun had scarcely risen before the fog began to _________. 【disappear; disadvantage; distasteful; distrust】
【单选题】Because I Could Not Stop for Death Because I could not stop for Death— He kindly stopped for me— The carriage held but just Ourselves— And Immortality. We slowly drove—He knew no haste, And I had put ...
A.
a blurring of life and death.
B.
an inability of the dead to focus on the world of the living
C.
a description of the grave
D.
a last image of security one sees before one dies.
【单选题】Because I Could Not Stop for Death Because I could not stop for Death— He kindly stopped for me— The carriage held but just Ourselves— And Immortality. We slowly drove—He knew no haste, And I had put ...
A.
an indifferent driver.
B.
the problems man encounters.
C.
an immortal god disguised as a human.
D.
none of the above
【多选题】招标人在服务投标函中设有投标人声明的相关内容，其中对要求投标人在投标函中对其权利、义务进行声明的内容描述不正确的有( )。
A.
投标人不承担因对招标文件不理解或误解而产生的后果
B.
投标人承认并同意招标人保留“接受或拒绝任何投标”的权利
C.
投标人保证遵守招标文件的全部规定，确认其提交的材料所陈述内容和声明均是真实和正确的
D.
确认招标人无权根据招标文件的规定，在投标人未能履行规定责任时没收其投标保证金
E.
保证投标文件的所有内容均属独立完成，未经与其他投标人以限制本项目的竞争为目的协商、合作或达成谅解后完成
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