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【简答题】
下图所示R，L，C串并联正弦交流电路，已知I 1 =20A，I 2 =16A，总功率因数为1，则I=______。
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举一反三
【判断题】云和沙铺山歌只有四声音阶形式
A.
正确
B.
错误
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【单选题】快门的作用是配合光圈,控制感光元件的什么?
A.
光照度
B.
光亮度
C.
反光率
D.
曝光时间
查看完整题目与答案
【判断题】零件在机械加工过程中受到刀具、工艺操作等因素影响，仅会产生尺寸误差，不会产生形状误差或位置误差。
A.
正确
B.
错误
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【单选题】快门的作用是配合光圈、控制胶片或感光元件的()
A.
光照度
B.
光亮度
C.
反光率
D.
曝光时间
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【单选题】在气雾剂附加剂中作乳化剂的是:
A.
F11
B.
聚乙二醇
C.
司盘类
D.
亚硫酸钠
E.
尼泊金乙酯
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【单选题】How are hate crimes contrasted with other crimes in the article?
A.
The article highlights that hate crimes are more likely to end with injuries.
B.
The article emphasizes that hate crimes target people's sense of belonging.
C.
The article explains that hate crimes are tracked more often than other crimes.
D.
The article shows that hate crimes occur more often in minority communities.
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【单选题】Many companies don't report computer crimes because law procedures against computer crimes usually cost a lot of money.
A.
Y
B.
N
C.
NG
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【单选题】在下列有关Windows XP设备管理功能的叙述中，错误的是（）。
A.
为了解决I/O设备速度较慢、效率不高的问题，系统采用了缓冲技术
B.
注册表存储了当前系统中基本硬件设备的描述信息
C.
系统支持PnP技术，因而各种打印机均不需要安装专门的驱动程序
D.
对于台式PC和笔记本PC来说，它们的电源管理功能有所不同
查看完整题目与答案
【简答题】请比较分析需求层次论和双因素理论的优点、缺点。
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【单选题】Persons imprisoned for violent street crimes often commit the same crimes again after being released. Persons imprisoned for white-collar crimes such as receiving bribes or embezzlement, however, typi...
A.
Statistics show that persons convicted of committing white-collar crimes rarely have a prison record.
B.
The percentage of those who commit white-collar crimes and are imprisoned for doing so is lower than the percentage of those who commit violent street crimes and are imprisoned for doing so.
C.
White-collar criminals whose prison sentences are shortened return to criminal activities at a slightly higher rate than white-collar criminals who serve their full sentences.
D.
Persons released from prison after white-collar crimes are seldom given high positions or access to other people' s money.
E.
Persons who commit violent street crimes seldom commit white-collar crimes, and vice versa.
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相关题目：
【判断题】云和沙铺山歌只有四声音阶形式
A.
正确
B.
错误
查看完整题目与答案
【单选题】快门的作用是配合光圈,控制感光元件的什么?
A.
光照度
B.
光亮度
C.
反光率
D.
曝光时间
查看完整题目与答案
【判断题】零件在机械加工过程中受到刀具、工艺操作等因素影响，仅会产生尺寸误差，不会产生形状误差或位置误差。
A.
正确
B.
错误
查看完整题目与答案
【单选题】快门的作用是配合光圈、控制胶片或感光元件的()
A.
光照度
B.
光亮度
C.
反光率
D.
曝光时间
查看完整题目与答案
【单选题】在气雾剂附加剂中作乳化剂的是:
A.
F11
B.
聚乙二醇
C.
司盘类
D.
亚硫酸钠
E.
尼泊金乙酯
查看完整题目与答案
【单选题】How are hate crimes contrasted with other crimes in the article?
A.
The article highlights that hate crimes are more likely to end with injuries.
B.
The article emphasizes that hate crimes target people's sense of belonging.
C.
The article explains that hate crimes are tracked more often than other crimes.
D.
The article shows that hate crimes occur more often in minority communities.
查看完整题目与答案
【单选题】Many companies don't report computer crimes because law procedures against computer crimes usually cost a lot of money.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【单选题】在下列有关Windows XP设备管理功能的叙述中，错误的是（）。
A.
为了解决I/O设备速度较慢、效率不高的问题，系统采用了缓冲技术
B.
注册表存储了当前系统中基本硬件设备的描述信息
C.
系统支持PnP技术，因而各种打印机均不需要安装专门的驱动程序
D.
对于台式PC和笔记本PC来说，它们的电源管理功能有所不同
查看完整题目与答案
【简答题】请比较分析需求层次论和双因素理论的优点、缺点。
查看完整题目与答案
【单选题】Persons imprisoned for violent street crimes often commit the same crimes again after being released. Persons imprisoned for white-collar crimes such as receiving bribes or embezzlement, however, typi...
A.
Statistics show that persons convicted of committing white-collar crimes rarely have a prison record.
B.
The percentage of those who commit white-collar crimes and are imprisoned for doing so is lower than the percentage of those who commit violent street crimes and are imprisoned for doing so.
C.
White-collar criminals whose prison sentences are shortened return to criminal activities at a slightly higher rate than white-collar criminals who serve their full sentences.
D.
Persons released from prison after white-collar crimes are seldom given high positions or access to other people' s money.
E.
Persons who commit violent street crimes seldom commit white-collar crimes, and vice versa.
查看完整题目与答案