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【单选题】
负二极管的( )相连,因此负极端( )导通。
A.
负极端，电位最高者
B.
负极端，电位最低者
C.
正负极端，电位最高者
D.
正极端，电位最低者
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参考答案：
举一反三
【判断题】三相感应电动机若电机参数不变,则堵转电流越大,堵转转矩也越大。
A.
正确
B.
错误
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【单选题】听力原文：W: I have received your school report for this term and you failed in the subject of The Introduction to Economics. M: You know, this class is so dull. The professor puts us all to sleep with his...
A.
He was absent from the class.
B.
The subject is difficult to pass.
C.
He didn't work hard in the subject.
D.
The professor gives poor lectures.
查看完整题目与答案
【单选题】American Colonial literature is longer than any other literary period, which started when the first settlers kept diaries and sermons and developed till _____. A. the mid of 18th C B. early 17th C C. ...
A.
the mid of 18th C
B.
early 17th C
C.
the end of 17th C
D.
the end of 18th C
查看完整题目与答案
【单选题】It __________ nearly two weeks since I have received his letter.
A.
is
B.
was
C.
has been
D.
have been
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【单选题】Man: I have received a letter from Harry this afternoon. He said he wants to know if he can get a job in your office for the summer. Woman: I rather think it would be better for him to get a job somew...
A.
Friends.
B.
Relatives.
C.
A real estate agent and a client.
D.
A boss and an employee.
查看完整题目与答案
【单选题】听力原文：W: Hey, Joe. What's all this talk about a benefit walkathon this weekend? M: Don't you know? Most of the residents in Parker Hall are going to try to walk the seven miles from the Engineering Lib...
A.
Hospital employees.
B.
City Hall officials.
C.
Packer Hall residents.
D.
The engineering students.
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【简答题】At the end of the 19th century, women's names started
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【单选题】C “Old wives tales” are beliefs passed down from one generation to another, For Example, most of us remember our parents’ telling us to eat more of certain foods or not to do certain things. Is there ...
A.
Eating garlic is good for our eyes.
B.
Sticky sweets are damaging to our teeth.
C.
Swimming after a meal is dangerous.
D.
Carrots prevent people from catching colds.
查看完整题目与答案
【简答题】单词拼写。 1. I received a notice saying that I have been _____ (推荐)to the committee. 2. His _____ (方法、办法)to the problem is to make a list of all the pros and cons. 3. The figures _____ (表明；预示)that it is g...
查看完整题目与答案
【单选题】Man: I have received a letter from Harry this afternoon. He said he wanted to know if he could get a job in your office for the summer. Woman: I rather think it would be better for him to get a job so...
A.
Friends.
B.
Relatives.
C.
A real estate agent and a client.
D.
A boss and an employee.
查看完整题目与答案
相关题目：
【判断题】三相感应电动机若电机参数不变,则堵转电流越大,堵转转矩也越大。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W: I have received your school report for this term and you failed in the subject of The Introduction to Economics. M: You know, this class is so dull. The professor puts us all to sleep with his...
A.
He was absent from the class.
B.
The subject is difficult to pass.
C.
He didn't work hard in the subject.
D.
The professor gives poor lectures.
查看完整题目与答案
【单选题】American Colonial literature is longer than any other literary period, which started when the first settlers kept diaries and sermons and developed till _____. A. the mid of 18th C B. early 17th C C. ...
A.
the mid of 18th C
B.
early 17th C
C.
the end of 17th C
D.
the end of 18th C
查看完整题目与答案
【单选题】It __________ nearly two weeks since I have received his letter.
A.
is
B.
was
C.
has been
D.
have been
查看完整题目与答案
【单选题】Man: I have received a letter from Harry this afternoon. He said he wants to know if he can get a job in your office for the summer. Woman: I rather think it would be better for him to get a job somew...
A.
Friends.
B.
Relatives.
C.
A real estate agent and a client.
D.
A boss and an employee.
查看完整题目与答案
【单选题】听力原文：W: Hey, Joe. What's all this talk about a benefit walkathon this weekend? M: Don't you know? Most of the residents in Parker Hall are going to try to walk the seven miles from the Engineering Lib...
A.
Hospital employees.
B.
City Hall officials.
C.
Packer Hall residents.
D.
The engineering students.
查看完整题目与答案
【简答题】At the end of the 19th century, women's names started
查看完整题目与答案
【单选题】C “Old wives tales” are beliefs passed down from one generation to another, For Example, most of us remember our parents’ telling us to eat more of certain foods or not to do certain things. Is there ...
A.
Eating garlic is good for our eyes.
B.
Sticky sweets are damaging to our teeth.
C.
Swimming after a meal is dangerous.
D.
Carrots prevent people from catching colds.
查看完整题目与答案
【简答题】单词拼写。 1. I received a notice saying that I have been _____ (推荐)to the committee. 2. His _____ (方法、办法)to the problem is to make a list of all the pros and cons. 3. The figures _____ (表明；预示)that it is g...
查看完整题目与答案
【单选题】Man: I have received a letter from Harry this afternoon. He said he wanted to know if he could get a job in your office for the summer. Woman: I rather think it would be better for him to get a job so...
A.
Friends.
B.
Relatives.
C.
A real estate agent and a client.
D.
A boss and an employee.
查看完整题目与答案
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