Добра и мира! К. Р. по английскому, выручайте)

1. Перепишите следующие предложения, подчеркните в каждом из них глагол-сказуемое и определите его видо-временную форму и залог. Переведите предложения на русский язык. В разделе Б) обратите внимание на особенности перевода пассивных конструкций.
1. Food is essential to the
nutrition of people.

2. They are testing the safety of
irradiated foods now.

3. Carbohydrates will meet the
body's need for energy.

4. By that time specialists had discovered the
importance of minerals.

Б

1.
Aseptic-packaged food products have been approved
for use.

2. The body's need for
building and repairing tissues will be met by proteins and minerals.

3. Specialists were given new data of this nutritional
problem.