ВУЗ:
Составители:
Рубрика:
I. Read the text-review and make out in its general contents
II. Answer the following questions:
1) What do people think of the Great Plains?
2) What does R. B. Kaul point out?
3) What kind of descriptions does “Flora of the Great Plains”
provide?
4) How many species, genera and families are treated in detail?
5) Who has taken part in the book creation?
6) What book was the only available reference for the area?
7) For what specialists will the present Flora be of great value?
III. Find in the original text these counterparts of the words and phrases
of its Russian translation
1. состав их флоры меняется и на нее стоит обратить
внимание
2. информация доступна
3. ясная картина всей сложности изменчивости и
распространения отмирающих растений
4. заменили когда-то прохладные умеренно развитые
участки леса
5. очевидное расширение или сужение объема любого
исследуемого явления
6. по моим подсчетам
7. описания тщательны к исследованиям
8. включает информацию по поводу опасных видов
ядовитых растений для домашнего рогатого скота
IV. Translate the last paragraph of the text into Russian.
Text 8
Testing for Carcinogens with Rodents
The principal method of determining potential carcinogenicity of
substances is based on studies of daily administration of huge doses of
chemicals to inbred rodents for a lifetime. Then by questionable models, which
include large safety factors, the results are extrapolated to effects of miniscule
doses in humans. Resultant stringent regulations and attendant frightening
publicity have led to public anxiety and chemophobia. If current ill-based
regulatory levels continue to be imposed, the cost of cleaning up phantom
hazards will be in the hundreds of billions of dollars with minimal benefit to
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