Дайте русские эквиваленты следующим словам и словосочетаниям

— to release gases from deep in the earth’s mantle

— gases of nonbiological origin

— a vast resource of fuel

— the earth’s supply of hydrocarbon fuel

— to be used up in foreseeable future

— within a few decades

— to tap enormous amounts of gas

— to give warning of earthquakes

— to bring gas out of the interior of the earth

— the initial composition of gas

— to be reliable samples

— to vary from place to place

— to be hetero (homo) geneous

— to be derived from

— in the course of photosynthesis

— to provide the source materials

— the rest of the solar system

— to provide the best clues to the origin of the planets

— buried organic sediments

— the escape of gases from the interior of the earth

— a likely place to look…

Ex.3.

Дайте определения следующим понятиям, объединив их в части.

augmentation evidence trigger precursur

information that gives a reason for believing set an action or a process in motion thing that comes before something thing that is added to something

Ex.4.

Определите значение “mean(s)” в следующих высказываниях:

1) What do you mean?

2) He is a mean person.

3) What is the mean temperature of these gases?

4) What means of communication are available in this region?

5) We do not mean to minimize the possible importance of this factor.

Ex.5.

Выберите правильный вариант из предложенных.

1) The ______ zones of past and present seismic activity.

a. principal

b. principle

2) The tree ______ laws of geology.

a. principal

b. principle

3) There is no proof for this phenomenon, but ______ the bubbling of water is observable.

a. at last

b. at least

Ex.6.