1. The young animals are practically porkilothermic at birth and con-linue to be so for some days. 2. They could not translate the article for ii was written in French. 3. Each organism establishes for itself a level of nitrogen metabolism which is modified only with difficulty. 4. Carbohydrates and fats are food substances which do not contain nitrogen; they have high fuel value, and so are able to serve for the production of heat.
Упражнение 12. Заполните пропуски подходящими по смыслу словами for, as, since, after, before.
It is commonly stated one of the chief distinctions between animals and plants lies in the fact that the animals depend upon highly organized foodstuffs... their source of supply. 2. The protozoa are considered... very primitive organisms, rudimentary ancestors of higher animals,... they are unicellular. 3.... the discovery of streptomycin, a great deal of information has been accumulated concerning its use. 4. Rats deprived of vitamin D... 35 to 40 days become unable to use their hind legs.
Упражнение 13. Переведите на английский язык.
1. Продукты питания:, которые мы исцользуем, можно разделить на два общих класса. Это органические и неорганические вещества. 2. Дополнительные вещества, которые должны присутствовать в нашей диете, - это витамины. 3. Отсутствие или недостаток углеводов в организме нарушает жировой и белковый обмен.
Часть II Слова к части II
cure [kjug] v вылечивать, излечивать reveal [n'vi:l] v обнаруживать, открывать conduct [kan'cUkt] v вести, проводить (исследование и т.д.)
proper Гргэрэ] а правильный, надлежащий
improper а неподходящий, неправильный
improperly adv неправильно, неверно
132 ♦ Learning to Understand a Medical Text