恐缄颗攻槐分络双膘零桂敢猾
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起止时间:2020-02-25到2020-07-31
更新状态:已完结
Unit 1 The History of Materials 第一单元单元测试
1、 Which of the following material is representative in exotic materials age?
A:aluminum
B:biomaterials
C:wood
D:alloy
答案: biomaterials
2、 ”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?
A:look after
B:look up
C:make up of
D:make use of
答案: make use of
3、 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?
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、 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.
A:17th
B:18th
C:19th
D:20th
答案: 19th
5、 Who is responsible for examining the preparation,selection, and application of materials in agreement with known and desiredproperties?
A:materials scientists
B:materials engineers
C:materials managers
D:materials businessmen
答案: materials engineers
6、 Iron age appears in the wake of Steel age.
A:正确
B:错误
答案: 错误
7、 A desk made of wood belongs to solid material.
A:正确
B:错误
答案: 错误
8、 In terms of conductivity, isolator performs the worst.
A:正确
B:错误
答案: 正确
9、 Mechanical properties include deformation and fracture.
A:正确
B:错误
答案: 正确
10、 Materials scientists are always more significant than materials engineers.
A:正确
B:错误
答案: 错误
11、 In the selective process of materials engineering, the choice of material islimited by the required properties and the available b______.
答案: budget
12、 N___ is a unit of length in the metric system, equal to one billionth of a metre.
答案: nanometer
13、 By permitting electricity to travel freely, without resistance, such a s___ could dramatically improve the efficiency of power transmission technologies.
答案: superconductor
14、 In a database, there are usually two ways of search, i.e., basic search and a___ search.
答案: advanced
15、 If you want to search works of Noam Chomsky, what should be put into the search box? ______
答案: Chomsky Noam
Unit 2 The Components of Materials 第二单元单元测试
1、 Aileen stands out for her incredible ____ as an actress.
A:versatility
B:refinement
C:transparency
D:disruption
答案: versatility
2、 All programs have bugs and need endless ____.
A:versatility
B:refinement
C:transparency
D:disruption
答案: refinement
3、 The Chancellor emphasized his determination to promote openness and ______ in the Government’s economic decision-making.
A:versatility
B:refinement
C:transparency
D: disruption
答案: transparency
4、 The rail strike is causing major_____ at the country’s ports.
A:versatility
B:refinement
C:transparency
D:disruption
答案: disruption
5、 The___ of distance learning would be particularly suited to busy managers.
A:flexibility
B:commerce
C:revolution
D:isolation
答案: flexibility
6、 They have made their fortunes from industry and ____.
A:flexibility
B: commerce
C:revolution
D: isolation
答案: commerce
7、 The feeding of dairy cows has undergone a ____.
A:flexibility
B:commerce
C:revolution
D:isolation
答案: revolution
8、 For my__, there was nothing in it remarkable.
A: infancy
B: isolation
C:exhibition
D:revolution
答案: infancy
9、 Punishment cannot be discussed in ____ from social theory.
A:infancy
B:isolation
C:exhibition
D:revolution
答案: isolation
10、 He responded in champion’s style by treating the fans to an _____of power and speed.
A:infancy
B:isolation
C: exhibition
D:revolution
答案: exhibition
11、 What are the main chemical components of wood?
A:cellulose
B:hemicellulose
C:lignin
D:water
答案: cellulose;
hemicellulose;
lignin
Unit 3 Properties of Materials 第三单元单元测试
1、 Loading refers to the application of a force to an object.
A:正确
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