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【简答题】
12 放大电路如图 2.7(a)所示,三极管的输出特性曲线如图 2.7(b)所示。 1)画出电路的直流负载线和交流负载线; 2)指出电路的最大不失真输出电压的幅值为多少; 3)若增大输入信号的幅值,电路将首先出现什么性质的失真?输出波形的顶部还是底部方式失真? 4)若减小电阻Rb的值,最大不失真输出电压的幅值是增大还是减小? 5)要使电路输出信号的幅值尽可能大而又不失真,电阻 Rb的值大约多少?
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参考答案：
举一反三
【单选题】Norman Blamey is an artist of deep convictions.（ ）
A.
statement
B.
beliefs
C.
suggestions
D.
claims
查看完整题目与答案
【简答题】It is important to provide an environment ________ people are encouraged to make suggestions at all levels of the company. A) from which B) on which C) in which D) for which
查看完整题目与答案
【单选题】你是 TestKing.com 的一位安全管理人。 网络由一个独立的名叫 testking.com的活动目录域组成。 所有的服务器运行Windows Server  2003。所有的服务器在一个名叫Servers的OU中，或在被包含在Servers OU里的OU中。基于最近的安全报告信息，你想应用来自一个名叫Messenger.info的安全模板的设置到所有的服务器上，而Messenger服务就是...
A.
导入 Messenger.info 安全模板到一个GPO，并连接此GPO 到服务器OU。在GPO 中设置管 Administrative Templates过滤
B.
导入Messenger.info 安全模板到一个 GPO，并连接此 GPO 到服务器 OU。配置一个窗口管理器（Windows Management Instrumentation （WMI））为此GPO过滤
C.
在一个 GPO 中设置登录脚本，并连接此 GPO 到服务器 OU。设置此脚本运行gpupdate指令如果Messenger正在运行
D.
编辑 Messenger.info 安全模板Messenger服务的启动模式为自动模式，然后运行secedit /refreshpolicy指令
查看完整题目与答案
【单选题】Certkiller有一个Windows 2008域控制器的服务器。此服务器定期备份在一个专用的备份服务器，运行Windows 2003操作系统网络。您需要准备除了常规的备份程序的灾难恢复域控制器。你是无法启动的备份实用程序在尝试备份数据控制器的系统状态数据。你需要从Windows Server 2008域控制器的服务器的备份系统状态数据。你应该怎么做呢（）
A.
您的用户帐户添加到本地Backup Operators组
B.
安装Windows Server备份功能，使用服务器管理功能
C.
安装可移动存储管理功能，使用服务器管理功能
D.
停用配置为备份Windows 2003服务器上的Windows 2008 Server域控制器的备份作业。
E.
以上都不是
查看完整题目与答案
【单选题】Which of the following fostered the great expansion of formal schooling?
A.
Reformers' suggestions.
B.
The coming of a large population from Europe.
C.
The expansion of industrial cities.
D.
The requirement of specific populations.
查看完整题目与答案
【单选题】—What a pity! —Yes, I ____ his not trying it, but in vain．
A.
was suggesting
B.
will suggest
C.
would suggest
D.
had suggested
查看完整题目与答案
【简答题】A．He believes that is it a good idea to do all of the things that Betty and Bill suggested. B．He agrees with Betty. C．He believes that going to class is the best way to learn a foreign language. D．He ...
查看完整题目与答案
【单选题】In developing the main idea of the passage, the author does which of the following?
A.
Suggests the existence of a social basis for all human behavior.
B.
Notes several instances of human behavior. and extrapolates a scientific theory.
C.
Argues for the existence of categories of communication from an anthropological basis.
D.
Reorganizes an anthropological system of categorization for greater clarity.
E.
Codifies earlier, unsystematic conjectures about systems of meaning.
查看完整题目与答案
【单选题】What can we learn according to the whole passage?
A.
The survey by European Commission suggests Euro-area's GDP is shrinking.
B.
The quick slash may put policymakers into an impotent position later,
C.
Interest rates reduced to zero, the monetary-policy will be powerless.
D.
ECB now has no sign of cutting its rates.
查看完整题目与答案
【判断题】只要是蛇皮都可用来制作二胡的琴皮,音色没有区别
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】Norman Blamey is an artist of deep convictions.（ ）
A.
statement
B.
beliefs
C.
suggestions
D.
claims
查看完整题目与答案
【简答题】It is important to provide an environment ________ people are encouraged to make suggestions at all levels of the company. A) from which B) on which C) in which D) for which
查看完整题目与答案
【单选题】你是 TestKing.com 的一位安全管理人。 网络由一个独立的名叫 testking.com的活动目录域组成。 所有的服务器运行Windows Server  2003。所有的服务器在一个名叫Servers的OU中，或在被包含在Servers OU里的OU中。基于最近的安全报告信息，你想应用来自一个名叫Messenger.info的安全模板的设置到所有的服务器上，而Messenger服务就是...
A.
导入 Messenger.info 安全模板到一个GPO，并连接此GPO 到服务器OU。在GPO 中设置管 Administrative Templates过滤
B.
导入Messenger.info 安全模板到一个 GPO，并连接此 GPO 到服务器 OU。配置一个窗口管理器（Windows Management Instrumentation （WMI））为此GPO过滤
C.
在一个 GPO 中设置登录脚本，并连接此 GPO 到服务器 OU。设置此脚本运行gpupdate指令如果Messenger正在运行
D.
编辑 Messenger.info 安全模板Messenger服务的启动模式为自动模式，然后运行secedit /refreshpolicy指令
查看完整题目与答案
【单选题】Certkiller有一个Windows 2008域控制器的服务器。此服务器定期备份在一个专用的备份服务器，运行Windows 2003操作系统网络。您需要准备除了常规的备份程序的灾难恢复域控制器。你是无法启动的备份实用程序在尝试备份数据控制器的系统状态数据。你需要从Windows Server 2008域控制器的服务器的备份系统状态数据。你应该怎么做呢（）
A.
您的用户帐户添加到本地Backup Operators组
B.
安装Windows Server备份功能，使用服务器管理功能
C.
安装可移动存储管理功能，使用服务器管理功能
D.
停用配置为备份Windows 2003服务器上的Windows 2008 Server域控制器的备份作业。
E.
以上都不是
查看完整题目与答案
【单选题】Which of the following fostered the great expansion of formal schooling?
A.
Reformers' suggestions.
B.
The coming of a large population from Europe.
C.
The expansion of industrial cities.
D.
The requirement of specific populations.
查看完整题目与答案
【单选题】—What a pity! —Yes, I ____ his not trying it, but in vain．
A.
was suggesting
B.
will suggest
C.
would suggest
D.
had suggested
查看完整题目与答案
【简答题】A．He believes that is it a good idea to do all of the things that Betty and Bill suggested. B．He agrees with Betty. C．He believes that going to class is the best way to learn a foreign language. D．He ...
查看完整题目与答案
【单选题】In developing the main idea of the passage, the author does which of the following?
A.
Suggests the existence of a social basis for all human behavior.
B.
Notes several instances of human behavior. and extrapolates a scientific theory.
C.
Argues for the existence of categories of communication from an anthropological basis.
D.
Reorganizes an anthropological system of categorization for greater clarity.
E.
Codifies earlier, unsystematic conjectures about systems of meaning.
查看完整题目与答案
【单选题】What can we learn according to the whole passage?
A.
The survey by European Commission suggests Euro-area's GDP is shrinking.
B.
The quick slash may put policymakers into an impotent position later,
C.
Interest rates reduced to zero, the monetary-policy will be powerless.
D.
ECB now has no sign of cutting its rates.
查看完整题目与答案
【判断题】只要是蛇皮都可用来制作二胡的琴皮,音色没有区别
A.
正确
B.
错误
查看完整题目与答案
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