Даю много балов, переделать предложения в пасивный стан​

Ответ:1the text was read by students when the teacher and in.

2 the food is pushed by peristaltic movements into the upper part of the throat.

3 the function of the heart will be studied by them.

4 the peculiarities of the digestive system were explained by the teacher to the students.

5 a new instrument is introduced by this doctor

6 chemistry will be studied first-year by students

7 the activity of gastric by means of the microscope was demonstrated by the professor

8 many experiments will be made by him

Объяснение: