Task 1. Choose the correct form of the verb: 1. The main objective of the experiment was ... the cause of the disease
Task 1. Choose the correct form of the verb: 1. The main objective of the experiment was ... the cause of the disease. a) to establish b) established c) establishing 2. ... in bed is harmful for eyesight. a) reading b) reads c) to read 3. Cells need oxygen to ... a) survive b) to survive c) surviving 4. ... heat causes blood vessels in the skin to contract. a) conserving b) to conserve c) conserve 5. All living organisms require oxygen ... life. a) to maintain b) maintained c) maintain 6. To diagnose the case, we had to...the blood analysis. a) make b) has made c) have making 7. The function of the heart...
Марина 22
Task 1:1. The main objective of the experiment was to establish the cause of the disease. (a)
В основе эксперимента стояла цель установить причину заболевания.
2. Reading in bed is harmful for eyesight. (a)
Чтение в постели вредно для зрения.
3. Cells need oxygen to survive. (a)
Клетки нуждаются в кислороде, чтобы выжить.
4. Conserving heat causes blood vessels in the skin to contract. (c)
Сохранение тепла заставляет кровеносные сосуды в коже сжиматься.
5. All living organisms require oxygen to maintain life. (a)
Все живые организмы нуждаются в кислороде, чтобы поддерживать жизнь.
6. To diagnose the case, we had to make the blood analysis. (a)
Чтобы поставить диагноз, нам пришлось сделать анализ крови.
7. The function