10. Переведите следующие предложения на русский язык.

Запомните: because – потому что

because of – из-за

1. Petroleum is the most important fuel and energy source because of its high calorific value. 2. Petroleum has a characteristic smell because it contains small amounts of sulphur, nitrogen and oxygen. 3. People use petroleum in everyday life because it is a cheap and efficient lubricant. 4. Scientists continue to discover new curing properties of oil because it is very important for medical treatment of many diseases. 5. Building engineers study geology because they must know the local ground, its composition and structure. 6. Engineers must know different control systems because of their wide use in the production and technological processes. 7. The oilmen could increase the production of oil because they used new methods of enhanced oil recovery. 8. The oilmen could increase the production of oil because of the favourable geological conditions.

11. Переведите следующие предложения, обращая внимание на перевод следующих выражений: both – оба; both … and – как … так и

1. Petroleum contains both the compounds of carbon and hydrogen. 2. The odour of petroleum depends both on the composition and quantity of hydrocarbons and other impurities. 3. Scientists admit both theories of petroleum origin – both an inorganic and organic. 4. As petroleum is a mixture of fluids, both liquid and gaseous, it often migrated far from the place where it originated.

12. Переведите следующие предложения на русский язык.

Помните, что: present – данный

at present – в настоящее время

to present – представлять

to be present – присутствовать

1. At present, petroleum is the most important fuel and energy source. 2. Smaller amounts of sulphur, nitrogen and oxygen are present in petroleum. 3. This student presented the report on different properties of petroleum. 4. The teacher explained the Present Tense at the last lesson. 5. His present work is very important for the clear explanation of petroleum accumulation.

13. Переведите на русский язык словосочетания с as:

as far as I know, as for me, as soon as, as a whole, as is known, as a rule, as well as, as we know, as a lubricant, as we call it.

14. Запомните образование степеней сравнения прилагательных в англий-ском языке:

deep deeper (than) the deepest

(глубокий) (более глубокий (чем); (самый глубокий)

глубже (чем))

important more important (than) the most important

(важный) (более важный (чем)) (самый важный)

good, well better (the) best

(хороший, хорошо) (лучше) (самый лучший, лучше всего)

bad, badly worse (the) worst

(плохой, плохо) (хуже) (самый худший, хуже всего)

many, much more (the) most

(много) (больше) (самый большой, больше всего)

little less (the) least

(маленький, мало) (меньше) (самый маленький, наименьший,

меньше всего)