VI. Переведите предложения на русский язык, обращая внимание на слова : one, no, it, that, some, the same, for:

1. Some woman has sent me a letter.
2. The same questions have been discussed at the scientific conference.
3. It is very interesting to watch this device in action.
4. The work of the new equipment is much more efficient than that of the old one.
5. Scientists must find new methods of using solar energy, for the old ones are not efficient enough.