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.
A: In manufacturing industries.
B: In medical sphere.
C: In communication systems.
D: In military field.
举一反三
- Which application of laser is NOT mentioned in the text? A: Medical uses. B: Communications systems. C: Education. D: Military field.
- In the first paragraph, the author intends to tell us that（） A: early American industries mainly depended on new methods. B: early American industries mainly depended on people who did skilled work with their hands. C: early American industries mainly depended on England industries. D: early American industries mainly depended on new changes.
- Can you lend me the novelyesterday? A: about which you talked B: that you talked C: about that you talked D: which you talked
- Which treatment of laser is NOT mentioned in the essay? A: Eye. B: Cancer. C: Brain. D: Ear.
- Canada's early economic development was founded on ___ ____ . A: resource industries B: heavy industries C: light industries D: manufacturing industries