MOOC 通用学术英语(西安交通大学)1465547463 中国大学慕课答案

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高等数学�?�?(同济大学)

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轨道交通车辆电气控制(浙江交通职业技术学院)

1.选择题:对于4M2T的地铁车辆一列车由（）个单元组成
选项：
A:2
B:3
C:4
D:1
正确答案:【2】

2.选择题:TSG18G(03)为杭州地铁2号线所采用的受电弓，其额定电压为（）
选项：
A:750
B:1500
C:1200
D:380
正确答案:【1500】

3.选择题:一般4M2T地铁车辆（如杭州地铁2号线）中受电弓安装在（ ）车上
选项：
A:Mp
B:Tc
C:M
D:以上均不是
正确答案:【Mp】

4.选择题:北京有的地铁采用非受电弓受流，那是（）供电方式
选项：
A:第一轨
B:第三轨
C:第四轨
D:第二轨
正确答案:【第三轨】

5.选择题:受电弓（）部件用于直接接触高压线
选项：
A:绝缘子
B:上支杆
C:碳滑板
D:铰链
正确答案:【碳滑板】

6.选择题:牵引电气一般包括（）
选项：
A:主电路电器
B:控制电路电器
C:辅助电路电器
D:照明电路电器
正确答案:【主电路电器;
控制电路电器;
辅助电路电器】

7.选择题:受电弓的主流类型有（）
选项：
A:单臂型
B:双臂型
C:垂直型
D:复合型
正确答案:【单臂型;
双臂型;
垂直型】

8.选择题:以下属于地铁车辆电工工具的有
选项：
A:数字万用表
B:数字钳形电流表
C:网络接头压著钳
D:电笔
正确答案:【数字万用表;
数字钳形电流表;
网络接头压著钳;
电笔】

9.选择题:以下属于地铁车辆上的高压部件是
选项：
A:受电弓
B:控制电路
C:逆变器箱体
D:高压断路器
正确答案:【受电弓;
逆变器箱体;
高压断路器】

10.选择题:地铁车辆的车型一般有（ ）
选项：
A:A
B:B
C:C
D:D
正确答案:【A;
B;
C】

11.选择题:地铁车辆检修中进入检修作业应在列车两端挂上“禁止动车”告示牌。
选项：
A:正确
B:错误
正确答案:【正确】

12.选择题:杭州地铁2号线供电电压为AC1500V
选项：
A:正确
B:错误
正确答案:【错误】
分析：【DC1500】

高等数学(工学类)Ⅱ(江西师范大学)1450828450

1.选择题:下列集合中是连通集的是（ ）.
选项：
A:
B:
C:
D:
正确答案:【】

2.选择题:设函数，则其定义域为（ ）.
选项：
A:
B:
C:
D:
正确答案:【】

3.选择题:设函数

4.，则其定义域为（ ）.
选项：
A:
B:
C:
D:
正确答案:【】

5.选择题:设函数，则该函数的定义域为（ ）.
选项：
A:
B:
C:
D:
正确答案:【】

6.选择题:点集是（ ）.
选项：
A:有界闭集
B:有界开集
C:无界开集
D:无界闭集
正确答案:【有界闭集】

7.选择题:点的去心邻域为.
选项：
A:正确
B:错误
正确答案:【正确】

8.选择题:点的去心邻域是开集.
选项：
A:正确
B:错误
正确答案:【正确】

9.选择题:点集是开区域.
选项：
A:正确
B:错误
正确答案:【错误】

10.选择题:点的邻域为.
选项：
A:正确
B:错误
正确答案:【正确】

11.选择题:点的邻域是开集.
选项：
A:正确
B:错误
正确答案:【正确】

通用学术英语(西安交通大学)1465547463

1.选择题:Which of the following is NOT the characteristic of a concept ?
选项：
A:General.
B:Concrete.
C:Abstract.
D:Intangible.
正确答案:【Concrete.】

2.选择题:Which of the following is describing a concept by classification ?
选项：
A:Love is divided into benevolence, responsibility and sexual attraction.
B:Mania is an obsession to someone or something.
C:Friendship is like an umbrella which brings us comfort and trust.
D:Public speaking is to speak in front of a lot of people.
正确答案:【Love is divided into benevolence, responsibility and sexual attraction. 】

3.选择题:Which of the following is describing a concept by comparison and contrast ?
选项：
A:Corporate culture is an unseen part of a working environment.
B:A good corporate culture can drive firms to go beyond excellence.
C:There are several types of corporate cultures like the family culture, the passionate culture.
D:Corporate culture is different from corporate ethics, which is more general than the latter.
正确答案:【Corporate culture is different from corporate ethics, which is more general than the latter.】

4.选择题:Which of the following statement is correct ?
选项：
A:Characteristic is not a prominent aspect of something.
B:Exemplification is less effective in describing a concept.
C:We’d better link descriptive sentences to a coherent one.
D:We’d better describe a concept by adopting one method a time.
正确答案:【We’d better link descriptive sentences to a coherent one. 】

5.选择题:What of the following is NOT the common method of describing a concept ?
选项：
A:Comparison or contrast.
B:Classification.
C:Consequences.
D:Clarification.
正确答案:【Clarification.】

6.选择题:Which of the following is NOT a reason why we paraphrase?
选项：
A:To avoid the risk of plagiarism.
B:To fully understand the original text.
C:To make things easy to understand.
D:To use an outside source in our own article.
正确答案:【To make things easy to understand.】

7.选择题:Which of the following word/words do NOT need to be changed in a paraphrase?
选项：
A:Maintain.
B:Air conditioner.
C:Magnificent.
D:Dispute.
正确答案:【Air conditioner.】

8.选择题:Which of the following is a good paraphrase for the sentence below:News people provide us with the only picture we have of ourselves and of the world.
选项：
A:News reporters take pictures of people and the world, which are the only way for us to know the world.
B:News media are the only overall information source for us to know ourselves and the world.
C:News reporters offer us the only story happening around us and in the world.
D:News reporters offer us the only image we have of ourselves and of the world.
正确答案:【News media are the only overall information source for us to know ourselves and the world. 】

9.选择题:What is the first thing you should make sure when you paraphrase?
选项：
A:The ideas of the original is appropriate in your essay.
B:You have fully understood the original sentence.
C:The original sentence is a grammatically correct one.
D:The source of original is a frequently quoted source.
正确答案:【The ideas of the original is appropriate in your essay.】

10.选择题:Why should we read the original text repeatedly before paraphrasing ?
选项：
A:To learn to use the expressions in the original.
B:To memorize the original.
C:To understand the writing style.
D:To fully understand the original.
正确答案:【To fully understand the original.】

11、选择题:In classification essay, the thesis statement is introduced in parallel structure and identical grammatical forms in __.
选项：
A:introduction part
B:developmental paragraphs
C:conclusion part
D:All of the above.
正确答案:【introduction part】