Which application of laser is NOT mentioned in the text?
A: Medical uses.
B: Communications systems.
C: Education.
D: Military field.
A: Medical uses.
B: Communications systems.
C: Education.
D: Military field.
举一反三
- Which application of laser is mainly talked about in this essay? A: In manufacturing industries. B: In medical sphere. C: In communication systems. D: In military field.
- Which of the following are mentioned in American higher education?( ) Which of the following are mentioned in American higher education?( )
- The biggest achievement in medical uses of laser has been in _________. A: Eye problems. B: Diabetes. C: Cancer treatment. D: Cosmetic surgery.
- Many countries have adopted systems of ________ education in order to promote the average level of education.
- Which treatment of laser is NOT mentioned in the essay? A: Eye. B: Cancer. C: Brain. D: Ear.