II. Перепишите предложения и переведите
их на русский язык, принимая во внимание, что инфинитивные и причастные обороты
соответствуют придаточным предложениям.
1. When developing space technology we are
facing a number of difficult problems.
2. The main disadvantage of plastics is likely
to be poor resistance to heat.
3. Scientists consider solar energy to be an
ideal source of power for artificial satellites.
4. Liquid lubricants evaporating in vacuum,
scientists developed solid lubricants for space engineering.
5. Wood was perhaps the first material to be
used by man for building purposes.