Раскройте скобки, употребив нужную форму
глагола в придаточных условных предложениях.

1. If
tropical forests (to reduce) by one per cent every year, they will cease to
supply oxygen by the middle of the 21st century. 2. Huge resources could be
used for the benefit of all countries provided the problems of disarmament (to
solve).

3.   Providing
industrial enterprises (to build) more waste treatment facilities, environment
pollution wouldn’t have become an obstacle to economic growth.  
     Переведите следующие предложения, учитывая различия в переводе
зависимого и независимого причастных оборотов.

1. Students
are very busy. Independent work claims a substantial share of their time, with
lectures and seminars being alternating with laboratory work. 2.The student
knowing the subject well, the examination did not last long. 3. Studying at the
correspondence department students combine work with studies