1.Introduction

选择题和判断题

1、单选题:
‏下面哪种材料不属于先进材料?‏
选项:
A: Graphene
B: Nanomaterial
C: Steel
D: Semiconductor
答案: 【 Steel

2、多选题:
‍材料可分为哪些类?‌
选项:
A: Metals
B: Ceramics
C: Polymers
D: Composites
答案: 【 Metals;
Ceramics;
Polymers;
Composites

3、多选题:
‍研究材料时应关注以下哪个因素?‌
选项:
A: Microstructure
B: Properties
C: Synthesis
D: Performance
答案: 【 Microstructure;
Properties;
Synthesis;
Performance

4、判断题:
‏不同材料里灌装的可乐喝起来一样,所以材料没区别。‌
选项:
A: 正确
B: 错误
答案: 【 错误

5、判断题:
‍Property和Performance内涵一样。‎
选项:
A: 正确
B: 错误
答案: 【 错误

2. Mechanical Properties of Metals

选择题和判断题

1、单选题:
​韧度是衡量材料韧性大小的力学性能指标,是指材料断裂前吸收(   )的能力。‍
选项:
A: Plastic deformation work and fracture work
B: Elastic deformation work and plastic deformation
work
C: Elastic deformation work and fracture work
D: Plastic deformation work
答案: 【 Elastic deformation work and fracture work

2、单选题:
‌对于脆性材料,其抗压强度一般比抗拉强度( )。‌
选项:
A: high
B: low
C: equal
D: uncertain
答案: 【 high

3、单选题:
​金属疲劳的判断依据是(  )。​
选项:
A: Strength
B: Plastic
C: Tensile strength
D: Fatigue strength
答案: 【 Fatigue strength

4、单选题:
‏常用的塑性判断依据是(  )。‌
选项:
A: Elongation after fracture and section shrinkage
B: Plastic and toughness
C: Section shrinkage and plasticity
D: Thermal expansion
答案: 【 Elongation after fracture and section shrinkage

5、判断题:
‏The
internal force concentration caused by internal force is called stress.‌
选项:
A:

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