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【单选题】
下列哪一项符合诱导契合学说
A.
酶与底物的关系有如锁和钥匙的关系
B.
在底物的诱导下，酶的可发生一定改变，与底物进行反应
C.
底物的结构朝着适应酶活性中心方面改变
D.
底物与酶的变构部位结合后，改变酶的，使之与底物相适应
E.
以上答案都有错误
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参考答案：
举一反三
【简答题】在0.10mol／L CuSO4溶液中通入H2S气体至饱和(饱和H2S溶液浓度为0.10mol／L)，计算溶液中残留的Cu2＋浓度。在0.10mol/L HCl溶液中通入H 2 S气体至饱和(饱和H 2 S溶液浓度为0.10mol/L)，计算溶液中残留S 2- 浓度。
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【单选题】WHAT DO THE CLIENT/SERVER AND PEER-TO-PEER NETWORK MODELS HAVE IN COMMON?
A.
Both models require the use of TCP/IP-based protocols.
B.
Both models have dedicated servers
C.
Both models are used only in the wired network environment.
D.
Both models support devices in server and client roles.
查看完整题目与答案
【单选题】在饱和 H 2 S 溶液中
A.
[H + ] ＞ [S 2 - ]
B.
[H + ] ＝ 2[S 2 - ]
C.
[H + ] ＜ [S 2 - ]
D.
[H + ] ＝ [S 2 - ]
查看完整题目与答案
【单选题】在饱和H2S溶液中:
A.
[H+]＞[S2-]
B.
[H+]＝2[S2-]
C.
[H+]＜[S2-]
D.
[H+]＜[HS-]
查看完整题目与答案
【简答题】FILL IN THE BLANK. THE HTTP MESSAGE TYPE USED BY THE TO REQUEST DATA FROM THE WEB SERVER IS THE __ MESSAGE.
查看完整题目与答案
【判断题】在饱和 H 2 S 溶液中, [H + ] 为 [S 2- ] 的二倍。
A.
正确
B.
错误
查看完整题目与答案
【单选题】You are the domain administrator for your company's Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional and have the latest service pack inst...
A.
On the client computers, open the System Properties dialog box. On the Automatic Updates tab, configure the client computers to update automatically every day.
B.
Create a Group Policy object (GPO) that has the appropriate Automatic Updates settings configured. Apply the GPO to an organizational unit (OU) that includes the client computers.
C.
In Active Directory Users and Computers, modify the settings for the client computer accounts. Configure the Managed By property to specify the WSUS server account.
D.
Create a local group on the WSUS server. Assign the group the Allow - Read and the Allow - Write permissions for the WSUSContent folder on the WSUS server. Add all the users of the client computers to the local group.
查看完整题目与答案
【单选题】在饱和H 2 S溶液中( )
A.
[H + ]＞[S 2- ]
B.
[H + ]＝2[S 2- ]
C.
[H + ]＜[S 2- ]
D.
[H + ]＜[HS - ]
E.
[H + ]＝[S 2- ]
查看完整题目与答案
【判断题】在饱和H2S溶液中, [H + ] 是 [S 2- ] 的2倍。
A.
正确
B.
错误
查看完整题目与答案
【简答题】如图3-1所示，在密闭容器里盛有饱和H 2 S溶液和H 2 S气体。 （1）饱和H 2 S溶液中存在的分子有____________，离子有______________________________。 （2）若将容器顶盖由a压到b位置，则H 2 S溶液中，各离子浓度的变化情况是________离子浓度增大，而________离子浓度减小。 （3）若从c处不断通入过量的SO 2 气体，溶液中H +...
查看完整题目与答案
相关题目：
【简答题】在0.10mol／L CuSO4溶液中通入H2S气体至饱和(饱和H2S溶液浓度为0.10mol／L)，计算溶液中残留的Cu2＋浓度。在0.10mol/L HCl溶液中通入H 2 S气体至饱和(饱和H 2 S溶液浓度为0.10mol/L)，计算溶液中残留S 2- 浓度。
查看完整题目与答案
【单选题】WHAT DO THE CLIENT/SERVER AND PEER-TO-PEER NETWORK MODELS HAVE IN COMMON?
A.
Both models require the use of TCP/IP-based protocols.
B.
Both models have dedicated servers
C.
Both models are used only in the wired network environment.
D.
Both models support devices in server and client roles.
查看完整题目与答案
【单选题】在饱和 H 2 S 溶液中
A.
[H + ] ＞ [S 2 - ]
B.
[H + ] ＝ 2[S 2 - ]
C.
[H + ] ＜ [S 2 - ]
D.
[H + ] ＝ [S 2 - ]
查看完整题目与答案
【单选题】在饱和H2S溶液中:
A.
[H+]＞[S2-]
B.
[H+]＝2[S2-]
C.
[H+]＜[S2-]
D.
[H+]＜[HS-]
查看完整题目与答案
【简答题】FILL IN THE BLANK. THE HTTP MESSAGE TYPE USED BY THE TO REQUEST DATA FROM THE WEB SERVER IS THE __ MESSAGE.
查看完整题目与答案
【判断题】在饱和 H 2 S 溶液中, [H + ] 为 [S 2- ] 的二倍。
A.
正确
B.
错误
查看完整题目与答案
【单选题】You are the domain administrator for your company's Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional and have the latest service pack inst...
A.
On the client computers, open the System Properties dialog box. On the Automatic Updates tab, configure the client computers to update automatically every day.
B.
Create a Group Policy object (GPO) that has the appropriate Automatic Updates settings configured. Apply the GPO to an organizational unit (OU) that includes the client computers.
C.
In Active Directory Users and Computers, modify the settings for the client computer accounts. Configure the Managed By property to specify the WSUS server account.
D.
Create a local group on the WSUS server. Assign the group the Allow - Read and the Allow - Write permissions for the WSUSContent folder on the WSUS server. Add all the users of the client computers to the local group.
查看完整题目与答案
【单选题】在饱和H 2 S溶液中( )
A.
[H + ]＞[S 2- ]
B.
[H + ]＝2[S 2- ]
C.
[H + ]＜[S 2- ]
D.
[H + ]＜[HS - ]
E.
[H + ]＝[S 2- ]
查看完整题目与答案
【判断题】在饱和H2S溶液中, [H + ] 是 [S 2- ] 的2倍。
A.
正确
B.
错误
查看完整题目与答案
【简答题】如图3-1所示，在密闭容器里盛有饱和H 2 S溶液和H 2 S气体。 （1）饱和H 2 S溶液中存在的分子有____________，离子有______________________________。 （2）若将容器顶盖由a压到b位置，则H 2 S溶液中，各离子浓度的变化情况是________离子浓度增大，而________离子浓度减小。 （3）若从c处不断通入过量的SO 2 气体，溶液中H +...
查看完整题目与答案
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