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单元测试

1、单选题：
‌建筑结构的变形缝（   ）‌
选项：
A: 沉降缝、伸缩缝、抗震缝均应从基础分开
B: 沉降缝和伸缩缝可以相互代替
C: 沉降缝可以代替伸缩缝，但伸缩缝不能代替沉降缝
D: 抗震缝可以代替沉降缝和伸缩缝
答案: 【 沉降缝可以代替伸缩缝，但伸缩缝不能代替沉降缝】点我阅读全文

第六单元测验

1、单选题：
‏无产阶级革命的路径是（ ）。​
选项：
A: 唯一的
B: 单线的
C: 开放的
D: 空想的
答案: 【 开放的】点我阅读全文

第一单元测试

1、单选题：
‌设A、B、C为三个随机事件，则事件“至少有两个发生”可表述为（  ）.‎
选项：
A:
B:
C:
D:
答案: 【 】点我阅读全文

随堂测验

1、单选题：
‍A,B,C中至少有一个发生​‍​
选项：
A:
B:
C:
D:
答案: 【 】点我阅读全文

第1章第2章单元测验

1、单选题：

‍

‌选项：
A:
B:
C:
D:
答案: 【 】点我阅读全文

单元测验

1、单选题：
‍In which year the world's population lived in urban areas is more than 50% for the first time in history?‎
选项：
A: 2005
B: 2007
C: 2010
D: 2000
答案: 【 2007】点我阅读全文

第一次测验 静电场

1、单选题：

‌

​选项：
A:
B:
C:
D:
答案: 【 】点我阅读全文

单元测试

1、单选题：
‌Mark the letter that identifies the tone for each of the following sentences. ​ ​ Baseball was invented as an urban game in order for owners to make money, players to become arrogant, and spectators to drink overpriced beer. ​​‌​
选项：
A:   objective
B:   nostalgic
C:   humorous 
D:    
答案: 【   humorous 】点我阅读全文

第1讲之模拟练习题

1、单选题：
‏计算之树中，通用计算环境的演化思维是怎样概括的？________。‍
选项：
A: 程序执行环境—由CPU-内存环境，到CPU-存储体系环境，到多CPU-多存储器环境，再到云计算虚拟计算环境
B: 网络运行环境---由个人计算机、到局域网广域网、再到Internet
C: 元器件---由电子管、晶体管、到集成电路、大规模集成电路和超大规模集成电路
D: 上述全不对
答案: 【 程序执行环境—由CPU-内存环境，到CPU-存储体系环境，到多CPU-多存储器环境，再到云计算虚拟计算环境】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