Word building. 4.2 Form the adjectives from the following nouns

4.2 Form the adjectives from the following nouns. Consult a dictionary if necessary:

Noun	Adjective
accuracy
integrity
reliability
availability
precision
efficiency
application
sequencing
productivity

4.3 Match up the words which are opposite in meaning:

Proper, precise, worldwide, occasional, allied, significant, transmit, incorporate, exclude, receive, constant, approximate, unimportant, rival, incorrect, local.

4.4 Match up the words which have similar meanings:

Assistance, azimuth, perform, inseparable, regulate, support, enhance, stellar, yearly, maintain, annual, inherent, adjust, augment, altitude, sidereal, aid, implement.

4.5 Match the following words with their Russian equivalents:

столкновение sequence

совместимый collision

последовательность alert

поддерживать compatible

предсказывать maintain

подчеркивать estimate

настраивать accelerate

ускорять adjust

оценивать underscore

предупреждать forecast

4.6 Guess the words by their definition:

1) Something useful.

2) Height above the sea-level.

3) One of several parts or sections into which an object is divided.

4) The curved path, usually elliptical, followed by a planet, satellite, comet, etc., in its motion around another celestial body under the influence of gravitation.

5) A single piece of information.

6) Any conveyance in or by which people or objects are transported.

7) The wide end of a cathode-ray tube, on which a visible image is formed.

8) The limits within which a thing can function effectively.

9) The unlimited three-dimensional expanse in which all material objects are located.

4.7 Read text A and match the headings (a-d) with the paragraphs(1-4).

b) GPS augmentations.

b) Roads & Highways.

c) What is GPS?

d) Timing.