Не сложно! просто нету времени. заранее !

Янастоятельно советую вам изучить тему "страдательный залог". правда, судя по вашему комментарию, вряд ли вы сейчас готовы к её   1.  a number of industrial products is manufactured in brazil every year. 2. next time that fact will not be payed attention to. 3. the conference was spoken much about last month. 4. next term a lot of time will be given to the study of new methods of work. 5. the lectures on mathematics are attended by all the students. 6. are these young students trained to use the new equipment? 7. when i was a child i was always influenced by new gadgets. 8. according to his plan we will be provided by all necessary equipment in two weeks. 9. when senators in the us are elected they serve a six-year term. 10. how-to-use details must be included in every programme.

Ecology is the study that helps to preserve the earth, its plants and animals.at present times we have to face such ecological problems as acid rain, global warming, loss of rare species, ozone reduction, etc. many scientists think that it is connected with industrial boom and development of civilization in the world. another problem which is worth mentioning is the tree cutting. trees are a source of oxygen and clean air. so, by doing this people simply violate the biological balance. all the above mentioned ecological problems are the result of man's careless interaction with nature.