8. Укажите, какие предложения соответствуют содержанию текста. Под­твердите свои ответы фактами из текста.

1. As a rule, the term "mining" includes the recovery of oil and gas from wells as well as coal, iron ores and other useful minerals from the earth.

2. The increased use of mining machinery has greatly contributed to raising labour productivity and improving working conditions.

3. It is quite obvious that the problem of depth is not always taken into consideration in choosing the mining method.

4. Productive workings are usually used for the immediate ex­ traction of useful mineral.

5. Underground workings are driven in barren rock or in mineral.

6. A shaft is a vertical underground working which is long and deep in comparison with its cross-section.

7. The surface above the mine working is usually called the floor.

8. The rock surfaces at the sides of mine workings arc called the ribs.

9. Ответьте на следующие вопросы:

1. What is mining?

2. What has contributed to the better working conditions of the miners?

3. What factors influence the choice of the mining method?

4. In what case is useful mineral worked by open pits?

5. Are exploratory workings driven with a view to finding and proving mineral or are they driven for immediate extraction of mineral?

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6. What is the difference between development and production work?

7. What main factors are used for classifying mine workings?

8. What do the dimensions of production faces depend on?

10. А) Найдите • правой колонке русские эквиваленты следующих слов и сочетаний слов:

1. direct access to the surface

2. open-cast mining

3. tabular (or bedded) deposits

4. oil well

5. underground workings

6. cross-section of a working

7. production face

8. the roof of the mine working

9. to drive mine workings in barren rock

10. to affect the mining method

а) нефтяная скважина

б) проходить горные выработки по пустой породе

в) влиять на метод разработки

г) прямой доступ к поверхности

д) пластовые месторождения

е) открытая разработка

ж) поперечное сечение выработки

з) подземные выработки и) очистной забой

к) кровля горной выработки

6) Найдите в правой колонке английские эквиваленты следующих слов сочетаний слов:

1. способствовать чему-л.

2. размер ствола

3. извлекать, добывать (уголь)

4. штреки и квершлаги

5. пустая порода •

6. вообще говоря

7. удалять, перемещать (крепь, вскрышу и др.)

8. с целью ...

9. подготовительные работы 10. мощность пласта

а) thickness of a seam

б) shaft dimension

в) with a view to

г) to contribute to smth.

д) development work

е) to remove (timber, overburden,

etc.)

ж) drifts (gate roads) and crosscuts

з) generally speaking и) to recover (coal) к) waste (barren) rock

11. Подберите из списков а и б близкие но значению слова:

А-

1. improve

2. rank

3. ensure

4. use

5. tabular

6. crop out (outcrop)

7. barren rock

8. quarry

9. influence

10. rib

11. size

12. broadly speaking

13. take into consideration

Б.

а) bedded

б) take into account

в) make better

r) waste (country) rock

д) expose

е) affect

ж) generally speaking

з) apply

и) open pit к) dimension л) side м) grade н) guarantee

Unit 8 195