智慧树知到《纳米新纪元》章节测试答案

智慧树知到《纳米新纪元》章节测试答案
第一章单元测试
1、1-1.what is nano scale？
A.10^（-3）~10^（-5）m
B.10^（-5）~10^（-7）m
C.10^（-7）~10^（-9）m
正确答案：10^（-7）~10^（-9）m
2、1-2.Which of the following options is closer to nano size？
A.hair
B.H7N9 virus
C.red blood cells
正确答案：H7N9 virus
第二章单元测试
1、2-1.；What is the size of fibers that in our cloth？
A.millimeter
B.micrometer
C.nanometer
正确答案：micrometer
第三章单元测试
1、3-1.What is the function of intelligent inks in food package？
A.detecting toxicity
B.detecting oxygen
C.detecting water
正确答案：detecting oxygen
2、3-2.What factors do affect the amount of the bacteria grows in packaged food？
A.The type of the packaged food
B.Temperature and time
C.The structure of bacteria
正确答案：Temperature and time
3、3-3.Which is the method to make big materials become small？
A.top-down
B.left-right
C.bottom-up
正确答案：top-down
4、3-4.Which particle has the antibacterial properties？
A.silver nanoparticles
B.sodium nanoparticles
C.silicon nanoparticles
正确答案：silver nanoparticles
5、3-5.What is the full name of；STM that used to see nanostructures？
A.scanning tunneling microscope
B.simulated test marketing
C.synchronous transfer module
正确答案：scanning tunneling microscope
第四章单元测试
1、4-1.Which is the basic materials for led？
A.inorganic materials
B.organic materials
C.metal materials
正确答案：organic materials
2、4-2.which is the best material for heat insulation？
A.water
B.vacuum
C.cotton
正确答案：vacuum
3、4-3.What is the working principle for LED？
A.convert electric to light
B.convert electric to heat
C.convert light to electric
正确答案：convert electric to light
4、4-4.In STM testing， when the material is getting closer to the microscope tip， the current will（become）？
A.bigger
B.smaller
C.not change
正确答案：bigger
5、4-5.Which one is not the advantage of OLED TV？
A.Wide angle of view
B.Less power
C.Cheaper than conventional LCD TV in a short term
正确答案：Cheaper than conventional LCD TV in a short term
第五章单元测试
1、5-1.Which is the normal catalyst for fuel cells in anode？
A.platinum
B.aluminum
C.sliver
正确答案：platinum
2、5-2.In fuel cells，the water is produced in which side？
A.anode
B.electrolyte
C.cathode
正确答案：cathode
3、5-3.Which material has the best photocatalytic property？
A.TiO2
B.Al2O3
C.CaO
正确答案：TiO2
4、5-4.which battery is suitable for middle range cars？
A.hybrid
B.full
C.local
正确答案：local
5、5-5.What is the function of XPS？
A.test the volume of sample
B.test the element of sample
C.test the weight of sample
正确答案：test the element of sample
第六章单元测试
1、6-1.which material is not made from carbon？
A.graphite
B.diamond
C.quartz
正确答案：quartz
2、6-2.Which one has the biggest surface to volume ratio
A.earth
B.basketball
C.ping-pong
正确答案：ping-pong
3、6-3.what is the limitation for the magnification of microscope？
A.wavelength of the infrared light
B.wavelength of the visible light
C.wavelength of the uv light
正确答案：wavelength of the visible light