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Answer the questions:

1. Whose words became an axiom of astronautics?

2. Where and how did Tsiolkovsky acquire knowledge?

3. What were the two laws that constituted the solution of cosmic flight problems?

4. What was the main problem Tsiolkovsky had been working at for many years?

5. What was his contribution to the development of astronautics?

Exercises

I. Translate the following words paying attention to the suffixes:

Act – action – active – activate;

found – foundation – founder;

experience – experiment – experimental;

produce – producer – production – productive;

calculate – calculated – calculation – calculator;

work – workable – worker – working;

serve – servant – service.

II. Translate these words paying attention to the negative prefixes and suffixes:

unable – helpless – dissimilar – illogical – senseless – irregular – unproductive – disrupt – improper – misunderstand.

III. Form new words using the prefix "inter-":

national, connection, action, communication, dependence, planetary.

IV. Form words after the models and translate them:

verb+ - ion; verb + - ation; verb + - ence.

realize; examine; differ; describe; exclaim; possess; protect.

V. Form words with opposite meaning by adding the prefixes:

-un; -dis; -im; -in; -ir.

charge; real; mobile; removable; significant; prove; similar; reasonable; probable.

VI. Translate the following words and state their part of speech:

competence; measurable; historic; appliance; installation; effectiveness.

VII. Form adjectives adding the suffixes to the following nouns:

change

help -less

fame -ous

transport -ic

sound -able

meteor

VIII. Translate the following word-combinations:

a self-taught man; to prevent from; to acquire knowledge; to outline the design; to lay a foundation; to obtain a post; to speed along the orbit; to come across; to reach a point; a step forward; endless patience; the problems of flight and interplanetary travel; the law of persistence of the centre of gravity; to constitute the solution of the problem; subsequent rocket theories; jet-driven flying machine.

IX. Make up sentences using the following models:

It was ... who ...

After (having done) … we (did)...

X. Translate into English the words given in brackets:

  1. Radiо (зв’язок) is constantly carried on with the pilot during the flight.

  2. At the beginning of the 20th century (людство) was shown the road to the stars.

  3. Tsiolkovsky put forward the idea of building (штучний) satellites.

  4. Only after having risen into the space, we understood how (безмежний) it was.

  5. The necessity of (супутники) for interplanetary (польоти) is now recognized by all specialists.

  6. The early works by Tsiolkovsky were followed by a number of very important works in the field of (космонавтикa).

  7. Tsiolkovsky paid great attention to the importance of using (рідкий) fuel.

  8. Such a problem as the (проект) of a space ship consisting of several rockets was dealt by him.