ntative in exotic materials age? 选项： A:a
Unit 4 The classification of materials Unit 4 Quiz
1、 问题:____ 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、 问题:____can make most materials stick together.
选项：
A:superglue
B:superconductor
C:polyester
D:thermonuclear
答案: 【superglue】
3、 问题:These are 
选项：
A:polymer
B:thermoplastic
C:superconductor
D:thermonuclear
答案: 【thermoplastic】
4、 问题:A _____ could dramatically improve the efficiency of power transmission technologies.
选项：
A:thermonuclear
B:polymer
C:polyester
D:superconductor
答案: 【superconductor】
5、 问题: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、 问题: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】
Unit 1 The History of Materials 第一单元单元测试
1、 问题: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、 问题:"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、 问题: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、 问题: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、 问题: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、 问题:Iron age appears in the wake of Steel age.
选项：
A:正确
B:错误
点击这里，查看后续答案①
点击这里，查看后续答案②（阿布查查更好用）
luminum B:biomaterials C:wood D:alloy 答案