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【单选题】
直流电动机转速不正常的故障原因主要有( )等。 A、换向器表面有油污 B、接线错误 C、无励磁电流 D、励磁绕组接触不良
A.
1
B.
2
C.
3
D.
4
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举一反三
【简答题】听下面一段材料，回答第1-2题。 1. What has happened to the woman’s passport? A. It is nowhere to be found. B. It is packed in some bag. C. It is no longer valid. 2. Why does the man ask the woman to hurry? A. The p...
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【多选题】下列各烃中,完全燃烧时生成的 和 的物质的量之比为2:1的是
A.
乙烷
B.
乙烯
C.
乙炔
D.
苯
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【单选题】Directions:This section is to test your ability to understand short conversations. Why can’t the man call the woman’s name?
A.
Because they are strangers here.
B.
Because it’s the first time that the man  meets the woman.
C.
Because the man forgets the woman’s name.
D.
Because it is really a small world.
查看完整题目与答案
【单选题】下列说法错误的是( )。
A.
在我国，教学是以知识的授受为基础的
B.
教学与教育这两个概念的关系，是一种部分与整体的关系
C.
作为教育的一个组成部分的智育，主要是通过教学进行的。但不能把这两者等同
D.
教学由教与学两方面组成，因此教学包括学生在教学之外独立进行的自学
查看完整题目与答案
【单选题】Why is the woman’s brother under stress?
A.
He finds it hard to fall asleep at night.
B.
He finds it hard to concentrate on his study.
C.
He is trying hard to study engineering.
D.
He is trying hard to go to his ideal college.
查看完整题目与答案
【判断题】国际经济交往中，国家计划是各国经济联系的基础。()
A.
正确
B.
错误
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【多选题】Why does the man need the woman’s assistance? Click on 2 answers.
A.
He does not know the publication date of some reviews he needs.
B.
He does not know the location of the library’s vides collection of plays.
C.
He does not know how to find out where the play is currently being performed.
D.
He does not know how to determine which newspaper he should look at.
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【简答题】请听下面一段材料，回答第1-4题。 1. Who is Frank Stone? A. A friend of the woman’s. B. A visitor to the clinic. C. A patient of Dr. Milton’s. 2. Why won’t Mr Stone come to the clinic tomorrow? A. The clinic will be ...
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【单选题】Why did the professor consent to the woman’s request?
A.
He was in a hurry.
B.
He was impressed by her knowledge.
C.
He believes she is dedicated to philosophy.
D.
He wants to test the woman’s abilities.
查看完整题目与答案
【单选题】下列说法错误的是( )。
A.
在我国，教学是以知识的传授为基础的
B.
教学与教育这两个概念的关系，是一种部分与整体的关系
C.
作为教育的一个组成部分的智育，主要是通过教学进行的，但不能把这两者等同
D.
教学由教与学两方面组成，因此教学包括学生在教学之外独立进行的自学
查看完整题目与答案
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【简答题】听下面一段材料，回答第1-2题。 1. What has happened to the woman’s passport? A. It is nowhere to be found. B. It is packed in some bag. C. It is no longer valid. 2. Why does the man ask the woman to hurry? A. The p...
查看完整题目与答案
【多选题】下列各烃中,完全燃烧时生成的 和 的物质的量之比为2:1的是
A.
乙烷
B.
乙烯
C.
乙炔
D.
苯
查看完整题目与答案
【单选题】Directions:This section is to test your ability to understand short conversations. Why can’t the man call the woman’s name?
A.
Because they are strangers here.
B.
Because it’s the first time that the man  meets the woman.
C.
Because the man forgets the woman’s name.
D.
Because it is really a small world.
查看完整题目与答案
【单选题】下列说法错误的是( )。
A.
在我国，教学是以知识的授受为基础的
B.
教学与教育这两个概念的关系，是一种部分与整体的关系
C.
作为教育的一个组成部分的智育，主要是通过教学进行的。但不能把这两者等同
D.
教学由教与学两方面组成，因此教学包括学生在教学之外独立进行的自学
查看完整题目与答案
【单选题】Why is the woman’s brother under stress?
A.
He finds it hard to fall asleep at night.
B.
He finds it hard to concentrate on his study.
C.
He is trying hard to study engineering.
D.
He is trying hard to go to his ideal college.
查看完整题目与答案
【判断题】国际经济交往中，国家计划是各国经济联系的基础。()
A.
正确
B.
错误
查看完整题目与答案
【多选题】Why does the man need the woman’s assistance? Click on 2 answers.
A.
He does not know the publication date of some reviews he needs.
B.
He does not know the location of the library’s vides collection of plays.
C.
He does not know how to find out where the play is currently being performed.
D.
He does not know how to determine which newspaper he should look at.
查看完整题目与答案
【简答题】请听下面一段材料，回答第1-4题。 1. Who is Frank Stone? A. A friend of the woman’s. B. A visitor to the clinic. C. A patient of Dr. Milton’s. 2. Why won’t Mr Stone come to the clinic tomorrow? A. The clinic will be ...
查看完整题目与答案
【单选题】Why did the professor consent to the woman’s request?
A.
He was in a hurry.
B.
He was impressed by her knowledge.
C.
He believes she is dedicated to philosophy.
D.
He wants to test the woman’s abilities.
查看完整题目与答案
【单选题】下列说法错误的是( )。
A.
在我国，教学是以知识的传授为基础的
B.
教学与教育这两个概念的关系，是一种部分与整体的关系
C.
作为教育的一个组成部分的智育，主要是通过教学进行的，但不能把这两者等同
D.
教学由教与学两方面组成，因此教学包括学生在教学之外独立进行的自学
查看完整题目与答案