慕课标签存档订阅

无线通信概论单元测验

1、单选题：
​无线通信是利用了电磁波可以在空间中传播的特性，进行____的一种通信方式​
选项：
A: 能量交换
B: 信息交换
C: 物质交换
D: 既有物质交换，又有能量交换
答案: 【 信息交换】点我阅读全文

单元测试

1、填空题：
‎平巷断面形状选择主要考虑因素​
答案: 【 地压大小；巷道的用途及服务年限；支护材料与方式；巷道施工方法；通风阻力。】点我阅读全文

第一章 会计概述【单元测验】点我阅读全文

三重积分的概念和性质测试

1、单选题：

‏

‎选项：
A:
B:
C:
D:
答案: 【 】点我阅读全文

ARM CortexM处理器体系结构测验题

1、单选题：
​微控制器的内存和外存常用什么结构实现？‏
选项：
A: RAM,FLASH
B: FLASH,RAM
C: RAM,存储卡
D: FLASH,硬盘
答案: 【 RAM,FLASH】点我阅读全文

导论 单元测验

1、单选题：
‌人文地理学属于‎‌Human Geography belongs to‎
选项：
A: 人文社会科学Humanities and Social Sciences
B: 自然科学Sciences
C: 人文科学与工科的交叉学科 Cross-discipline of Humanities and Engineering
D: 人文社会科学和自然科学的交叉学科Cross-discipline of Humanities and Science
答案: 【 人文社会科学和自然科学的交叉学科Cross-discipline of Humanities and Science】点我阅读全文

1.1 矢量的定义和加减法运算法则【随堂测验】点我阅读全文

【第三周】点我阅读全文

Analyze the following text

1、填空题：
  1 It is a common knowledge that education plays an important role in our lives. The utmost level of education is undoubtedly to have a university degree. However, not every university may   meet your expectations. In order to state that you are a graduate of a good university, there should be some requirements to be met. In my opinion, a good university should have qualified teachers, technologically   adequate buildings and many facilities for students.‎      2 First of all, it must have enough qualified teachers for each course. Qualified teachers should   have adequate teaching skills in their subjects. Without adequate teaching skills, it will be difficult for the teacher to transfer his/her knowledge to the students. Also, as a person, the teacher should have proper personalities, that is, a teacher should be kind, supportive and   understanding to his/her students. Otherwise, they may be disliked. So, good teachers are indispensable for a good university.‎      3 Secondly, a good university must have many buildings with adequate high technology facilities with students. The classrooms must be large enough and  well–equipped. A small classroom or a classroom without  technological supplies such as the internet or television will certainly demotivate students. In addition, libraries should have enough books and materials for students. This is very important to do research for students' studies or assignments. All these above  considered, technologically developed buildings are necessary for a good  university education.‎     4 Finally, a good  university should have many facilities for students. For example, there  must be enough sport centers and cafes for students to spend their time.  Since students spend most of their time studying at school, they need a place  to rest and chat with their friends.‎ In addition, students sometimes need to get over their stress spending time in a sport center. Thus, beside academic study, a good university should provide social opportunities to its students.‎     5 In conclusion, universities are places where students spend the most important stage of their lives. Universities should support the learning process with qualified teachers, technologically adequate buildings and many social facilities. Students should become familiar with all these characteristics so that they can choose a good university, which will affect their future.‎Question:‎Identify three parts of the essay: introductory paragraph, body paragraphs and concluding paragraph. ‎‎‎‌‎
答案: 【 Introductory paragraph: Paragraph 1.
Body paragraphs: Paragraph 2-4.
Concluding paragraph: Paragraph 5】点我阅读全文

第一周测验题

1、单选题：

试回答下图中回路和网孔的个数。

​

​

​选项：
A: 回路5个，网孔3个
B: 回路5个，网孔4个
C: 回路6个，网孔4个
D: 回路6个，网孔3个
答案: 【 回路6个，网孔3个】点我阅读全文