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【单选题】
在分组时，凡遇到某单位的标志值刚好等于相邻两组上下限数值时，一般是
A.
将此值归入上限所在组
B.
将此值归入下限所在组
C.
此值归入两组均可
D.
另立一组
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参考答案：
举一反三
【单选题】三相电路中已知三相对称负载以三角形连接,已知负载相电流 A ,则火线电流应为?
A.
I L =5A
B.
A
C.
A
D.
A
查看完整题目与答案
【单选题】Which of the following question is addressed in paragraph 3 of the passage?
A.
How long are lichens able to live?
B.
How do lichens reproduce?
C.
How might algae benefit from the relationship with the fungus?
D.
How did the relationship between algae and fungus develop?
查看完整题目与答案
【单选题】人与人的合作不是简单的相加。假定每个人的能力都是1,那么10个人合作的结果有时比10大,有时甚至比1小。一个人敷衍了事,两个人相互推诿,三个人永无宁日,这种教训是十分深刻的。对这一现象认识错误的是__。( )
A.
由于人的素质不同，任何合作都很难成功
B.
如果每个人不尽自己的责任，结果只能是一事无成
C.
社会分工有所不同，每个人都应该尽到自己的责任
D.
责任是相互的，如果都不尽责，受害的是我们自己
查看完整题目与答案
【单选题】一三相对称负载，三角形连接，已知：相电流IBC=10∠-10°安，则线电流I=( )安。
A.
17.3∠-40°
B.
10∠-160°
C.
10∠80°
D.
17.3∠80°
查看完整题目与答案
【简答题】三相对称负载三角形连接,已知相电流 A,则三个 线电流是多少?
查看完整题目与答案
【单选题】一三相对称负载,三角形连接,已知:相电流IBC=10∠-10°安。则线电流I=( )。
A.
17.3∠-40°
B.
10∠160°
C.
10∠80°
D.
17.3∠80°
查看完整题目与答案
【单选题】Which of the following is the best title of this passage?
A.
How to Keep Balance Between Population and Environment
B.
How to Control Population Effectively
C.
How to Educate People on Birth Control
D.
How to Improve the Poor People's Lives
查看完整题目与答案
【单选题】三相对称负载,三角形连接 , 已知相电流
A.
10∠-40°
B.
17.3∠-40°
C.
17.3∠110°
D.
17.3∠-80°
查看完整题目与答案
【简答题】Which of the following can best express the main idea of the passage? [A] How to decide your reading speed.. [B] How to raise your reading speed. [C] How to improve your reading skills. [D] How to cho...
查看完整题目与答案
【单选题】Which of the following does the author NOT suggest as an important area for research?
A.
How precipitation affects water levels.
B.
How to prevent outbreaks of infectious diseases.
C.
How urban development affects the environment.
D.
How the industrial pollution impacts the environment.
查看完整题目与答案
相关题目：
【单选题】三相电路中已知三相对称负载以三角形连接,已知负载相电流 A ,则火线电流应为?
A.
I L =5A
B.
A
C.
A
D.
A
查看完整题目与答案
【单选题】Which of the following question is addressed in paragraph 3 of the passage?
A.
How long are lichens able to live?
B.
How do lichens reproduce?
C.
How might algae benefit from the relationship with the fungus?
D.
How did the relationship between algae and fungus develop?
查看完整题目与答案
【单选题】人与人的合作不是简单的相加。假定每个人的能力都是1,那么10个人合作的结果有时比10大,有时甚至比1小。一个人敷衍了事,两个人相互推诿,三个人永无宁日,这种教训是十分深刻的。对这一现象认识错误的是__。( )
A.
由于人的素质不同，任何合作都很难成功
B.
如果每个人不尽自己的责任，结果只能是一事无成
C.
社会分工有所不同，每个人都应该尽到自己的责任
D.
责任是相互的，如果都不尽责，受害的是我们自己
查看完整题目与答案
【单选题】一三相对称负载，三角形连接，已知：相电流IBC=10∠-10°安，则线电流I=( )安。
A.
17.3∠-40°
B.
10∠-160°
C.
10∠80°
D.
17.3∠80°
查看完整题目与答案
【简答题】三相对称负载三角形连接,已知相电流 A,则三个 线电流是多少?
查看完整题目与答案
【单选题】一三相对称负载,三角形连接,已知:相电流IBC=10∠-10°安。则线电流I=( )。
A.
17.3∠-40°
B.
10∠160°
C.
10∠80°
D.
17.3∠80°
查看完整题目与答案
【单选题】Which of the following is the best title of this passage?
A.
How to Keep Balance Between Population and Environment
B.
How to Control Population Effectively
C.
How to Educate People on Birth Control
D.
How to Improve the Poor People's Lives
查看完整题目与答案
【单选题】三相对称负载,三角形连接 , 已知相电流
A.
10∠-40°
B.
17.3∠-40°
C.
17.3∠110°
D.
17.3∠-80°
查看完整题目与答案
【简答题】Which of the following can best express the main idea of the passage? [A] How to decide your reading speed.. [B] How to raise your reading speed. [C] How to improve your reading skills. [D] How to cho...
查看完整题目与答案
【单选题】Which of the following does the author NOT suggest as an important area for research?
A.
How precipitation affects water levels.
B.
How to prevent outbreaks of infectious diseases.
C.
How urban development affects the environment.
D.
How the industrial pollution impacts the environment.
查看完整题目与答案
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