对应课程:点击查看
起止时间:2020-02-17到2020-07-30
更新状态:已完结
Unit 7 The security of Materials 第七单元单元测试
1、 Several officials revised the works written by ancient Chinese _____ and composed the first known pharmacopoeia which contained 850 sorts of crude medicine.
A:pharmacists
B:pharmacy
C:pharmacology
D:pharmaceutics
答案: pharmacists
2、 Today, clinical _____ is still a new specialty in China.
A:pharmacist
B:pharmacology
C:pharmacy
D:pharmaceutics
答案: pharmacy
3、 _____ refers to the science or study of drugs: their preparation and properties and uses and effects.
A:pharmacist
B:pharmacology
C:pharmacy
D:pharmaceutics
答案: pharmacology
4、 Nanomaterials are measured in ______ — equal to about one-billionth of a meter — so small that they cannot be seen with a regular microscope.
A:nanotechnology
B:nanocellulose
C:nanometers
D:nanoparticles
答案: nanometers
5、 ______ is the branch of engineering that deals with things smaller than 100 nanometers (especially with the manipulation of individual molecules.
A:Nanotechnology
B:Nanocellulose
C:Nanometers
D:Nanoparticles
答案: Nanotechnology
6、 Tiny_____, far smaller than the width of a human hair, might help the body’s own immune system fight tumors, a new study shows.
A:nanotechnology
B:nanocellulose
C:nanometers
D:nanoparticles
答案: nanoparticles
7、 Which material is smaller than human hair on a nanoscale?
A:red bloodcell
B:DNA
C:carbon nanotube
D:carbon nanotube
答案: red bloodcell ;
DNA;
carbon nanotube;
carbon nanotube
8、 The potential benefits of nanomaterials include___.
A:environmental protection
B:human health
C:soldier’s safety
D:material transportation
答案: environmental protection;
human health;
soldier’s safety
9、 How to address the EHS issues of nanotechnology?
A:EHS research
B:Government regulations
C:International engagement
D:Commercial advertising
答案: EHS research;
Government regulations ;
International engagement
10、 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.
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