2021知到答案 纳米新纪元 智慧树网课章节测试答案

第一章 章节测试

1、选择题:1-1. what is nano scale?
选项:
A:10^(-3)~10^(-5)m
B:10^(-5)~10^(-7)m
C:10^(-7)~10^(-9)m
答案: 【10^(-7)~10^(-9)m
2、选择题: 1-2.Which of the following options is closer to nano size?
选项:
A: hair
B: H7N9 virus
C: red blood cells
答案: 【 H7N9 virus

第二章 章节测试

1、选择题: 2-1. What is the size of fibers that in our cloth?
选项:
A:millimeter
B:micrometer
C:nanometer
答案: 【micrometer

第三章 章节测试

1、选择题: 3-1.What is the function of intelligent inks in food package?
选项:
A:detecting toxicity
B:detecting oxygen
C:detecting water
答案: 【detecting oxygen】[$]
2、选择题: 3-2.What factors do affect the amount of the bacteria grows in packaged food?
选项:
A: The type of the packaged food
B: Temperature and time
C: The structure of bacteria
答案: 【 Temperature and time
3、选择题: 3-3.Which is the method to make big materials become small?
选项:
A: top-down
B: left-right
C: bottom-up
答案: 【 top-down
4、选择题: 3-4.Which particle has the antibacterial properties?
选项:
A:silver nanoparticles
B:sodium nanoparticles
C:silicon nanoparticles
答案: 【silver nanoparticles
5、选择题: 3-5.What is the full name of STM that used to see nanostructures?
选项:
A:scanning tunneling microscope
B:simulated test marketing
C:synchronous transfer module
答案: 【scanning tunneling microscope

第四章 章节测试

1、选择题: 4-1.Which is the basic materials for led?
选项:
A:inorganic materials
B:organic materials
C:metal materials
答案: 【organic materials
2、选择题: 4-2.which is the best material for heat insulation?
选项:
A:
water
B:
vacuum
C:
cotton
答案: 【 
vacuum

3、选择题:4-3.What is the working principle for LED?
选项:
A:convert electric to light
B:
convert electric to heat
C:
convert light to electric
答案: 【convert electric to light 
4、选择题: 4-4.In STM testing, when the material is getting closer to the microscope tip, the current will (become)?
选项:
A:bigger
B:smaller
C:not change
答案: 【bigger
5、选择题:

4-5.Which one is not the advantage of OLED TV?
选项:
A:Wide angle of view
B:Less power
C:Cheaper than conventional LCD TV in a short term
答案: 【Cheaper than conventional LCD TV in a short term

第五章 章节测试

1、选择题: 5-1.Which is the normal catalyst for fuel cells in anode?
选项:
A:platinum
B:aluminum
C:sliver
答案: 【platinum
2、选择题:5-2.In fuel cells,the water is produced in which side?
选项:
A:anode
B:electrolyte
C:cathode
答案: 【cathode
3、选择题: 5-3.Which material has the best photocatalytic property?
选项:
A:
TiO2
B: Al2O3
C: CaO
答案: 【                                   
TiO2

4、选择题: 5-4.which battery is suitable for middle range cars?
选项:
A:
hybrid
B:
full
C:
local
答案: 【                                   
local

5、选择题:5-5.What is the function of XPS?
选项:
A:test the volume of sample
B:test the element of sample
C:test the weight of sample
答案: 【test the element of sample

第六章 章节测试

1、选择题:6-1.which material is not made from carbon?
选项:
A:graphite
B:diamond
C:quartz
答案: 【quartz
2、选择题: 6-2.Which one has the biggest surface to volume ratio
选项:
A:earth
B:basketball
C:ping-pong
答案: 【ping-pong
3、选择题: 6-3.what is the limitation for the magnification of microscope?
选项:
A:wavelength of the infrared light
B:wavelength of the visible light
C:wavelength of the uv light
答案: 【wavelength of the visible light】[/$]

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