Complete the sentence with the present simple or present continuous form of the verb in brackets. 1. everybody ( that the world rainforests (disappear) 2. although rainforests (cover) only 6% of the earth’s land surface, they (contain) about 50% of all species of life on this planet. 3. they also (remove) carbon dioxide from the air and (produce) oxygen. 4. as they are important, why (they, disappear) ? 5. most scientists (agree) that there are two main reasons. 6. first of all, the way of life in these forests (change) 7. in some forests big companies, ( more and more trees and ( damage to the land. 8. in other places another kind of deforestation ( 9. here farmers ( more and more of the forest and (use) the land to feed the cattle. 10. now that governments (understand) the problem, they (begin) to control them.

good - the best; popular - the most popular; bad - the worst; expensive - the most expensive.

1. you should  try to find out as many facts as possible about this expedition to the antarctic. 2. the team of experts is to analyze the present situation connected with our city's ecological problems. 3. the young engineer was allowed to apply the mobile equipment in his field experiments. 4. this production process had to be further improved by new technical means. 

1. вы должны попытаться узнать так много фактов насколько возможно об этой экспедиции в антарктику. 2. команда экспертов должна проанализировать текущую ситуацию, связанную с экологическими проблемами нашего города. 3. молодому инженеру разрешили применить мобильное оборудование в его полевых экспериментах. 4. этот производственный процесс должен был быть далее улучшен новыми техническими средствами. 

вроде правильно, но не уверена, а перевод