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【简答题】
某电路具有n个结点、m条支路，不含电流源。若用支路电流法求解各支路电流时需列出(    )。 (a)n-1个KCL方程 (b)n-1个KCL方程，m-(n-1)个KVL方程 (c)m-1个KCL方程
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参考答案：
举一反三
【单选题】Choose the word that you hear in the sentence.
A.
cheers
B.
chairs
C.
cheeks
D.
chips
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【单选题】下列句子与例句句式相同的一项是 例: 复何以尚之哉
A.
句读之不知，惑之不解
B.
人为刀俎，我为鱼肉
C.
不者，若属皆且为所虏
D.
赵尝五战于秦，二败而三胜
查看完整题目与答案
【单选题】下列句子与例句句式相同的一项是 例句:我何以见汝父
A.
求人可使报秦者
B.
五亩之宅，树之以桑
C.
大王来何操
D.
不者，若属皆且为所虏
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【判断题】在嗜高温古生菌的细胞膜上，存在着其他任何生物所没有的单分子层膜。
A.
正确
B.
错误
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【单选题】如右图所示电路，若中性线未断开，测得I1=2A I2=4A I3=4A，则中性线中电流为（）【图片】
A.
10A
B.
4A
C.
6A
D.
2A
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【单选题】经典测验理论的数学模型为（ ）
A.
观察分数等于真分数与测量误差之和
B.
观察分数的方差等于真分数方差与测量误差方差之和
C.
观察分数的期望等于真分数期望与测量误差期望之和
D.
观察分数的信度等于真分数信度与测量误差信度之和
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【单选题】听力原文：M: Our old friend John told us that his company was getting better. W: It was the bank's loan that helped him out. Q: How can John's company get improved? (12)
A.
By borrowing money from a bank.
B.
By selling more goods.
C.
By getting help from a friend.
D.
By changing its sales manager.
查看完整题目与答案
【单选题】John told us that Mary _____ at 12 next day.
A.
would be coming
B.
would come
C.
would be come
D.
came
查看完整题目与答案
【单选题】Choose the word that you hear in the sentence.
A.
let
B.
late
C.
lad
D.
laid
查看完整题目与答案
【单选题】Several gifted woman played a significant part in 19-century literary. Which of the following is an exception?
A.
Virginia Woolf
B.
Emily Brontë
C.
Jane Austen
D.
Charlotte Brontë
查看完整题目与答案
相关题目：
【单选题】Choose the word that you hear in the sentence.
A.
cheers
B.
chairs
C.
cheeks
D.
chips
查看完整题目与答案
【单选题】下列句子与例句句式相同的一项是 例: 复何以尚之哉
A.
句读之不知，惑之不解
B.
人为刀俎，我为鱼肉
C.
不者，若属皆且为所虏
D.
赵尝五战于秦，二败而三胜
查看完整题目与答案
【单选题】下列句子与例句句式相同的一项是 例句:我何以见汝父
A.
求人可使报秦者
B.
五亩之宅，树之以桑
C.
大王来何操
D.
不者，若属皆且为所虏
查看完整题目与答案
【判断题】在嗜高温古生菌的细胞膜上，存在着其他任何生物所没有的单分子层膜。
A.
正确
B.
错误
查看完整题目与答案
【单选题】如右图所示电路，若中性线未断开，测得I1=2A I2=4A I3=4A，则中性线中电流为（）【图片】
A.
10A
B.
4A
C.
6A
D.
2A
查看完整题目与答案
【单选题】经典测验理论的数学模型为（ ）
A.
观察分数等于真分数与测量误差之和
B.
观察分数的方差等于真分数方差与测量误差方差之和
C.
观察分数的期望等于真分数期望与测量误差期望之和
D.
观察分数的信度等于真分数信度与测量误差信度之和
查看完整题目与答案
【单选题】听力原文：M: Our old friend John told us that his company was getting better. W: It was the bank's loan that helped him out. Q: How can John's company get improved? (12)
A.
By borrowing money from a bank.
B.
By selling more goods.
C.
By getting help from a friend.
D.
By changing its sales manager.
查看完整题目与答案
【单选题】John told us that Mary _____ at 12 next day.
A.
would be coming
B.
would come
C.
would be come
D.
came
查看完整题目与答案
【单选题】Choose the word that you hear in the sentence.
A.
let
B.
late
C.
lad
D.
laid
查看完整题目与答案
【单选题】Several gifted woman played a significant part in 19-century literary. Which of the following is an exception?
A.
Virginia Woolf
B.
Emily Brontë
C.
Jane Austen
D.
Charlotte Brontë
查看完整题目与答案
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