MOOC 材料概论（双语）(盐城工学院)1464541187 最新慕课完整章节测试答案
Chapter 1 Basic Knowledge of Materials
Test of Chapter 1
1、单选题：
Materials are defined as used by man to produce items which constitute the support for his living environment.
选项：
A: resources
B: substance
C: solids
D: thing
答案: 【 solids】
2、单选题：
focus on how to translate or transform materials into a useful device or structure.
选项：
A: material scientists
B: material scientists and engineers
C: material engineers
D: material researchers
答案: 【 material engineers】
3、单选题：
contain a large percentage of iron such as the steels and cast irons.
选项：
A: ferrous metal and alloys
B: nonferrous metal and alloys
C: rare metal and alloys
D: precious metal and alloys
答案: 【 ferrous metal and alloys】
4、单选题：
is the direct conversion of solar into electrical energy has been demonstrated.
选项：
A: new energy
B: nuclear energy
C: Hydrogen fuel cell
D: solar cell
答案: 【 solar cell】
5、单选题：
are non capable of being regenerated.
选项：
A: Solar cell
B: Nonrenewable materials
C: Hydrogen fuel cell
D: Wind energy
答案: 【 Nonrenewable materials】
6、多选题：
Many of polymers are organic compounds that are chemically based on , , and other nonmetallic elements
选项：
A: oxygen
B: hydrogen
C: carbon
D: nitrogen
答案: 【 hydrogen;
carbon】
7、多选题：
Materials science and engineering (MSE) is an interdisciplinary field concerned with inventing new materials and improving previously known materials by developing the deeper understanding of - -synthesis - - relationship
选项：
A: microstructure
B: composition
C: properties
D: processing
E: manufacture
答案: 【 microstructure;
composition;
properties;
processing】
8、判断题：
Atomic level structure involves electrons within the individual atoms and interactions with their nuclei.
选项：
A: 正确
B: 错误
答案: 【 错误】
9、判断题：
The term processing refers to how materials are made from naturally occurring or man-made chemical.
选项：
A: 正确
B: 错误
答案: 【 错误】
10、判断题：
Many of the common characteristics of material within a category araise from the lowest level of the structure, the nature of the atomic bond that hold them together.
选项：
A: 正确
B: 错误
答案: 【 正确】
11、判断题：
Structurally, most polymeric materials are crystalline, but some consist of mixture of crystalline and noncrystalline regions.
选项：
A: 正确
B: 错误
答案: 【 错误】
12、判断题：
We can consider the properties of a material in two categroies—chemical and physical.
选项：
A: 正确
B: 错误
答案: 【 错误】
13、填空题：
Polymers are molecules composed of many mers bonded together.
答案: 【 long-chain】
14、填空题：
Ceramic materials are materials that consist of metallic and nonmetallic elements chemically bonded together.
答案: 【 inorganic】
15、填空题：
Most ceramic materials have high hardness and high-temperature strength but tend to be .
答案: 【 brittle】
16、填空题：
Metals are commonly divided into two classes: metal and metals.
答案: 【 ferrous nonferrous】
17、填空题：
Most composite materials consist of a selected or reinforcing material and a compatible resin to obtain the specific characteristics and properties desired.
答案: 【 filler binder】
18、填空题：
Usually, the composites do not in each other, and they can be physically identified by an interface between them.
答案: 【 dissolve】
19、填空题：
On a(an) level, structure encompasses the organization of atoms or molecules relative to one another.
答案: 【 atomic】
20、填空题：
In materials, an underlying truth is: materials depend on the material microstructure, which in turn results from its