Пожалуйста, в пассив и перевести, и инфинитив

[email protected] в категроии Английский язык, вопрос открыт 18.06.2018 в 20:12

1. Put the verbs in the passive and translate.
1. Scientific conferences on the problems of animal physiology regularly (hold)………………by physiologists.
2. Experimental physiology (develop)…………….by anatomist W.Harvey in the 17'1' century. 
3. Animal scientists hope that the results of their research (use)…………….by farmers in practice.
4. The problems of domestication of ostriches (discuss)……………….in some scientific journals now.

2. Complete the sentences using the infinitive of purpose and translate.
1. Farmers spread manure in the fields…………. (to increase) …………………...
2.Animals which work hard in a cold environment require high fat levels in their diets......(to maintain).......