Переведите, обращая внимание на различные значения слов it, that, one.1. As

Переведите, обращая внимание на различные значения слов it, that, one.
1. As for the energetic crisis, we consider that it is a part of the whole global crisis.
2.One can believe that the future is only for the solar energy.
3.It is evident that destroying nature we destroy the surroundings of mankind.
II. Переведите, обращая внимание на различные значения to be, to have, to do.
1. You have to be quite strong to set up your own business.
2.The treatment and keeping of radioactive wastes do the economic damage to biosphere.
3.We are to create special conditions to obtain this material.
4.The periods of changing for the majority of technologies do not exceed 5 to 7 years.