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Word building

Prefixes.

В английском языке новые слова могут быть образованы с помощью приставок (префиксов), добавляемых к основе слова. При этом часто слово приобретает другое значение:

reповторяемость действия:torecharge– перезарядить

dis обратное, противоположное действие или отрицание:todisagree– не соглашаться

mis – ошибочность действия:tomisunderstand– неправильно понять

deизъятие, удаление:todeaerate– дегазировать

enохват, окружение:toenlarge– увеличивать

pre предшествование :topredetermine– заранее определить

over – чрезмерность:tooverload– перегрузить

underнедостаточность:tounderestimate– недооценить

in- (il-,ir-,im-) – отрицание: illegal – незаконный

inter взаимное действие:interrelation– взаимоотношение, соотношение

multi много:multifunctional– многофункциональный

co – общность действия, сотрудничество:tocoordinate- согласовывать, координировать

WB1.Translate the word combinations paying attention to the meaning of prefixes:

A

To operate without recharging; to overestimate the results of the investigation; to overheat the compound; interplanetary communication; disordered movement; to misunderstand the explanation; immobile installation; an irregular form; a serious miscalculation; an illogical conclusion; unlimited possibilities; misusage of terms; to reassemble the model; inaccurate amount; to disconnect the devices; to preheat the alloy; to reuse glass bottles.

WB2. Translate the following sentences paying attention to the meaning of the prefixes.

A,B

  1. Russia and the US are cooperating in joint space ventures. 2. Recycling paper involves removing its ink, glue, and coating and reconverting it to pulp that is pressed again into new paper. 3. Staying in sunlight too long and cases of skin cancer can be interrelated. 4. At first the effect of deforestation on the earth's climate was underestimated by some scientists. 5. The Intergovernmental Panel on Climate Change is a network of about 2,500 of the world's leading climate experts from 70 countries sponsored by the United Nations. 6.The human's influence on the earth's climate is undisputed. 7.A lot of heating energy is used inefficiently in the north of Russia. 8. Nuclear plants cause thousands of premature deaths of people and serious genetic effects which are currently undervalued. 9. It is impossible to build long-term safe storage facilities for nuclear wastes. 10. Overgrazing of grasslands and misuse of fertile soils leads to their degradation and erosion. 11. A new multifunctional device will increase the efficiency of energy use. 12. To put the question in this way is to predetermine a negative answer. 13. Such assumption is highly oversimplified and inaccurate. 14. A mathematical theory is strongly intertwined with the systems of real world. 15. The ability to carry out large-scale arithmetic calculations with the aid of digital computer reinforces the search for new methods. 16. The laboratory was undermanned. 17. This is not a process to be oversimplified. 18. Those regions were underpopulated. 19. The leadership has decided to be disinterested spectators of this vital struggle. 20. If the proposal is sensible and reasonable they should cooperate.

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