Laser. Exercise 1.
Укажите, какие утверждения соответствуют содержанию текста. Исправьте неправильные утверждения.
1. Laser means «light amplification by stimulated emission of radiation».
2. Laser produces an intensive beam of light.
3. In the next few years laser will become one of the main technological tools.
4. Martians almost invaded the Earth before the turn of the last century.
5. Laser and thermonuclear reaction can produce a limited source of energy.
6. The laser beam heats the fuel so quickly that the plasma disintegrates.
7. There are projects to transform lunar radiation into beams.
8. The laser beam will begin operating in outer space.
9. Japan is the greatest producer of laser devices.
10. The complexity of laser machines is decreasing.