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本课程起止时间为:2020-02-17到2020-07-30
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Unit 7 The security of Materials 第七单元单元测试

1、 问题:Several officials revised the works written by ancient Chinese _____ and composed the first known pharmacopoeia which contained 850 sorts of crude medicine.  
选项:
A:pharmacists     
B:pharmacy 
C:pharmacology   
D:pharmaceutics
答案: 【pharmacists     

2、 问题:Today, clinical _____ is still a new specialty in China.
选项:
A:pharmacist    
B:pharmacology 
C:pharmacy      
D:pharmaceutics
答案: 【pharmacy      

3、 问题:_____ refers to the science or study of drugs: their preparation and properties and uses and effects. 
选项:
A:pharmacist    
B:pharmacology 
C:pharmacy      
D:pharmaceutics
答案: 【pharmacology 

4、 问题:Nanomaterials are measured in ______ — equal to about one-billionth of a meter — so small that they cannot be seen with a regular microscope.
选项:
A:nanotechnology
B:nanocellulose 
C:nanometers
D:nanoparticles
答案: 【nanometers

5、 问题:______ is the branch of engineering that deals with things smaller than 100 nanometers (especially with the manipulation of individual molecules.
选项:
A:Nanotechnology
B:Nanocellulose 
C:Nanometers
D:Nanoparticles
答案: 【Nanotechnology

6、 问题:Tiny_____, far smaller than the width of a human hair, might help the body’s own immune system fight tumors, a new study shows.
选项:
A:nanotechnology
B:nanocellulose 
C:nanometers
D:nanoparticles
答案: 【nanoparticles

7、 问题:Which material is smaller than human hair on a nanoscale?
选项:
A:red bloodcell 
B:DNA
C:carbon nanotube
D:carbon nanotube
答案: 【red bloodcell ;
DNA;
carbon nanotube;
carbon nanotube

8、 问题:The potential benefits of nanomaterials include___.
选项:
A:environmental protection
B:human health
C:soldier’s safety
D:material transportation
答案: 【environmental protection;
human health;
soldier’s safety

9、 问题:How to address the EHS issues of nanotechnology?
选项:
A:EHS research
B:Government regulations 
C:International engagement
D:Commercial advertising 
答案: 【EHS research;
Government regulations ;
International engagement

10、 问题:Nanotechnology – a term encompassing nanoscale science, engineering, and technology –is focused on understanding, controlling, and exploiting the unique properties of the matter that emerges at scales of 1 to 100 nanometers. 
选项:

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