第十章测试1.CAD软件中实现三维观察和编辑的常见格式为（ ）。
A:STL B:MP3 C:AVI D:JPEG
答案:A
2.The common format for 3D viewing and editing in CAD softwares is （ ）.
A:MP3 B:JPEG C:AVI D:STL 3.The processing advantages of digital complete dentures do not include （ ）.
A:Dentures are not easily copied. B:Fewer patient visits, convenient for physicians and patients C:The denture base made of CNC-processed prefabricated blanks has less polymerization shrinkage than the traditional base and fits better D:The design and processing accuracy is stable and reliable, and the dependence on subjective experience and skills is reduced 4.According to the application mode, CAD/CAM systems can be divided into （ ）
A:Chairside system B:Open system C:Lab system D:Closed system 5.In 1983, French dentist Francois Duret developed the first dental CAD/CAM machine. （ ）
A:对 B:错 6.Denture digital design software, also known as denture CAM software, is based on a three-dimensional digital model, with the help of computer modeling algorithms and denture database support, using human-computer interaction to achieve high-precision denture design software. （ ）
A:对 B:错
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