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Comprehension Check. The text has 9 paragraphs

The text has 9 paragraphs. Which paragraph mentions the first controlled flying machine?

2. Which of the following sentences summarize the main idea of the paragraph D?

a) Human flight is possible due to moving wings.

b) Flight principle was known from the ancient Greeks.

c) Scientific principle of the human flight was recorded by Leonardo da Vinci.

d) Leonardo da Vinci predicted conquest of outer space.

In the text find the definition of the main scientific principle of human flight.

Look at the text again and answer the questions.

1. Who believed that air had weight?

2. Who wrote the book “On the Flight of Birds”?

3. What is the fundamental idea of the book “On the Flight of Birds”?

4. What did Leonardo da Vinci record in his book “On the Flight of Birds”?

5. When is the lift of the aircraft greater?

6. When did the first flying machine appear?

7. Who designed the first plane?

Vocabulary Focus

Work in pairs. Give the definitions of the following words and expressions.

Famous person, gas, lifting force, airplane, world record, range, passenger, supersonic plane.

A) In the text find the antonyms for the words in the box.

danger lose slower the newest impossible irregular moveless impractical

B) Make up sentences with the words from the box.

Complete the sentences below with suitable words from the text.

1. Later men of science came to conclusion that the higher you went …. air pressure was.

a) the higher b) the more c) the little d) the less

2. Leonardo da Vinci discovered that ….. the flow of the air …… the lift was.

a) the faster, the less b) the faster, the greater c) the greater, the less

3. Supersonic jet planes have replaced …….

a) helicopters b) piston-engined aircraft c) subsonic aircraft

4. Air force equipment and armaments are being ….. continually.

a) considered b) improved c) displayed d) controlled

UNIT 2

TYPES OF AIRCRAFT

Preparing to read

Name the aircraft you know. Describe them. Try to group them according to their principle of flying.

Match the keywords with their translations.

1. seaplane a. воздушный винт

2. glider b. амфибия

3. airplane c. реактивный снаряд, ракета

4. helicopter d. гидросамолёт

5. autogiro e. силовая установка

6. missile f. планер

7. airscrew g. автожир

8. float h. вертолёт

9. amphibian i. поплавок

10. power plant j. самолёт

Reading

Read the text and check whether your predictions in ex. 2 were correct.

Read the text and name the vehicles not mentioned at the beginning of the unit.

Read the text and write out the words and word combinations you don’t know, try to guess their meaning from the context. Compare your notes with your partners.


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