大学MOOC 专业英语(郑州轻工业大学)1449957167 最新慕课完整章节测试答案
Unit1MaterialsScienceandEngineering
文章目录
第一单元单元测试
1、单选题:
Which of the following material is representative in exotic materials age?
选项:
A: aluminum
B: biomaterials
C: wood
D: alloy
答案: 【 biomaterials】
2、单选题:
"From the very beginnings of prehistory, humans have manipulated substances so that they would be moreuseful." What does the word "manipulate" mean in the sentence?
选项:
A: look after
B: look up
C: make up of
D: make use of
答案: 【 make use of 】
3、单选题:
Materials science can also do the converse: As desirable properties are defined, the material that can display them, although it might not exist in nature, is designed. What does the phrase "do the converse" mean?
选项:
A: make an effect
B: make every effort
C: do sth from the opposite way
D: prevent sb from doing sth
答案: 【 do sth from the opposite way】
4、单选题:
Materials science remained empirical until the end of the _________ century when materials science, as we now understand it, began with the appearance of Mendeleev’s periodic table.
选项:
A: 17th
B: 18th
C: 19th
D: 20th
答案: 【 19th】
5、单选题:
Who is responsible for examining the preparation,selection, and application of materials in agreement with known and desiredproperties?
选项:
A: materials scientists
B: materials engineers
C: materials managers
D: materials businessmen
答案: 【 materials engineers】
6、判断题:
Iron age appears in the wake of Steel age.
选项:
A: 正确
B: 错误
答案: 【 错误】
7、判断题:
A desk made of wood belongs to solid material.
选项:
A: 正确
B: 错误
答案: 【 错误】
8、判断题:
In terms of conductivity, isolator performs the worst.
选项:
A: 正确
B: 错误
答案: 【 正确】
9、判断题:
Mechanical properties include deformation and fracture.
选项:
A: 正确
B: 错误
答案: 【 正确】
10、判断题:
Materials scientists are always more significant than materials engineers.
选项:
A: 正确
B: 错误
答案: 【 错误】
11、填空题:
In the selective process of materials engineering, the choice of material islimited by the required properties and the available b____________.
答案: 【 budget】
12、填空题:
N_________ is a unit of length in the metric system, equal to one billionth of a metre.
答案: 【 nanometer】
13、填空题:
By permitting electricity to travel freely, without resistance, such a s_________ could dramatically improve the efficiency of power transmission technologies.
答案: 【 superconductor】
14、填空题:
In a database, there are usually two ways of search, i.e., basic search and a_________ search.
答案: 【 advanced】
15、填空题:
If you want to search works of Noam Chomsky, what should be put into the search box? ____________
答案: 【 Chomsky Noam】
Unit2Theclassificationofmaterials
Questionsbeforeclass.
1、填空题:
Can you list some examples of each category used in daily life?
答案: 【 ceramic】
2、填空题:
What kind of materials are environmental friendly?
答案: 【 aluminum】
Sectionquestions
1、填空题:
What kind of biomass can be used to produce electricity?
答案: 【 electricity】
2、填空题:
How can biomass be converted into electric power ?
答案: 【 convert】
sectionquiz
1、填空题:
What are the typical properties of ceramics?
答案: 【 hardness】
2、填空题:
What’re the most industrially important polymeric materials?
答案: 【 plastics】
Unit2Quiz
1、单选题:
__________ fibers are sometimes spun together with natural fibers to produce a cloth with blended properties.
选项:
A: Thermoplastic
B: Thermonuclear
C: Polymer
D: Polyester
答案: 【 Polyester】
2、单选题:
__________can make most materials stick together.
选项:
A: superglue
B: superconductor
C: polyester
D: thermonuclear
答案: 【 superglue】
3、单选题:
These are ____________coatings, but may approach the performance of thermosetting coatings by the incorporation of amino resins (氨基树脂).
选项:
A: polymer
B: thermoplastic
C: superconductor
D: thermonuclear
答案: 【 thermoplastic】
4、单选题:
A ___________ could dramatically improve the efficiency of power transmission technologies.
选项:
A: thermonuclear
B: polymer
C: polyester
D: superconductor
答案: 【 superconductor】
5、单选题:
Latex (胶乳), a material obtained from rubber trees, is a natural__________ of isoprene (异戊二烯).
选项:
A: polyester
B: polymer
C: superconductor
D: thermoplastic
答案: 【 polymer】
6、单选题:
The nuclear reactions occurring in the interior of the sun and stars are____________.
选项:
A: polyester
B: thermonuclear
C: superconductor
D: polymer
答案: 【 thermonuclear】
第二单元单元测试(Unit2)
1、单选题:
______ can make most materials stick together.
选项:
A: Superglue
B: Superconductor
C: Elastomer
D: Macromolecule
答案: 【 Superglue 】
2、单选题:
A ___________ could dramatically improve the efficiency of power transmission technologies.
选项:
A: superglue
B: superconductor
C: elastomer
D: macromolecule
答案: 【 superconductor 】
3、单选题:
__________is a class of polymers whose deformation displayed by strain-stress curve is totally elastic.
选项:
A: Superglue
B: Superconductor
C: Elastomer
D: Macromolecule
答案: 【 Elastomer 】
4、单选题:
A polymer is a large molecul
