Данные предложения переведите на русский язык. 1. Core drilling with diamond and carbide bits is widely used

1. Core drilling with diamond and carbide bits is widely used.

2. There different ways of obtaining this substance.

3. Most solar-heating systems coming on the market use a black surface to absorb the Sun’s heat.

4. While at the Institute every student is to go through practical training at mines, open-pits, quarries or dressing plants.

5. Making the geological map the geologists study all the data of ground and aerial geological surveys.

6. A method of prospecting for mineral, gas, oil, etc. which is based on combination of X-rays and ultrasonic transmissions came into use recently.

7. Like other sedimentary rocks coal beds may be structurally disturbed by folding and faulting.

8. Being intensively used in the iron and steel industry bituminous coal varies from medium to high rank.

2) Переведите следующие предложения на русский язык, обращая внимание на союзы и на бессоюзную связь:

1. If conditions had permitted the geologists would have applied aerial prospecting.

2. If projects are planned from the outset with a low impact perspective, it should be possible to avoid problems or turn potential problems into assets.

3. It is necessary to say land reclamation has emerged as a method of controlling the negative after-effects of extracting coal and other minerals.

4. To recognize valuable minerals it was necessary to know their various distinctive physical properties.

3) Переведите следующие предложения на русский язык, обращая внимание на согласование времен:

1. They know you will graduate from the Institute next year.

2. They knew you would graduate from the Institute the next year.

3. The teacher asks if you can answer.

4. The teacher asked if you could answer.

5. He asked how normal temperature was maintained in the underground.

4) Вставьте глагол в нужной форме. Предложенияпереведите:

1. Professor I.M. Gubkin (to make) a great contribution to the development of the science of geology.

2. Flaky materials (to cause) the rock to split into thin sheets.

3. The action of plants (to be) even more destructive.

4. Iron fields (to work) by surface mining which (to be) more economical.

5. Coke (to represent) natural solid fuel.

5) Выберите предложения с синтаксическими комплексами: