Choose the synonyms for the following words. 


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Choose the synonyms for the following words.



1. composite a) heavy, b) complex, c) expensive, d) similar;

2. tough a) flexible, b) light, c) innovative, d) strong;

3. maintain a) keep up, b) produce, c) control, d) operate;

4. bond a) connect, b) limit, c) divide, d) separate;

5. property a) shape, b) characteristic, c) material, d) element;

6. fatigue a) accident, b) conception, c) corrosion, d) exhaustion;

7. adjust a) find, b) apply, c) adapt, d) replace;

8. thoroughly a) entirely, b) partly, c) slightly, d) hardly.

 

Replace the Russian words with the appropriate English equivalents.

Allows fibres tough dense missile generation application expand

1. Применение of modern methods provides the high speed of the manufacturing process.

2. To follow all the modern trends it is necessary to use extremely прочные materials.

3. Practically all materials used in production of such components are сплавы.

4. Synthetic волокна is theintegral part of high-strength structures.

5. Oxygen is quite a плотный gas.

6. Guided ракета was detected by the air-raid system.

7. The latest поколение of military aircraft is aimed to protect the aerial frontiers.

8. These technologies continue развиваться.

Comprehension

Match the beginning of the sentence with its ending.

1. They have produced extremely tough and stable materials…

2. Advances in structural technology have…

3. Until the late 1960s, almost all tactical aircraft…

4. Big advantage of composites is…

5. Computer-aided design (CAD) has made

6. Composites already have had a major impact…

7. Metal aircraft and missiles will be seen…

 

a)…were composed primarily of aluminum and its alloys.

b)…to develop composite structures. influenced the way.

c)…that are replacing aluminum and aluminum alloys.

d)…aircraft are designed, produced and maintained.

e)… as a throwback to an earlier era it much easier…

f)… that they are relatively insensitive to flaws.

g)… on military aircraft design.

 

Answer the questions.

1.What has been changed in modern aircraft due to the advances in technology?

2. What are the drawbacks of using titanium in high-speed aircraft?

3. Will the F-35 joint strike fighter have a composite content of at least 35 per cent or 20 per cent?

4. Composite material is made up of more than three separate components, isn’t it?

5. What is Kevlar used for?

6. Are composite materials stable?

7. Why must careful attention be paid to composite/metal interaction in the design process?

8. How can design, production and quality-control personnel take full advantage of the potential of composite materials?

9. Composites haven’t been used extensively in the latest generation of aircraft, have they?

10. What do new techniques call for?

Grammar revision

Name the types of the questions in the previous exercise (general, disjunctive, alternative, special). Choose one sentence in the text and write down four types of questions to it.

Rewrite the sentences using the Reported Speech.

Example: “The article is not very informative,” he said. / He said that the article was not very informative.

1.”We mould this material into different shapes,” the worker said.

2.”Read the instructions before you switch on the machine,” he said to me.

3. “The use of aluminum is not irrelevant now,” told us the production manager.

4. “Are all modern models of commercial aircraft made of such materials?” the passenger asked.

5. “High resistance to cracking is its main advantage,” the engineer explained to us.

6. “How does this mechanism function? “a student asked.

7. “Who is controlling all the process?” he wondered.

8.” Some metals will corrode when in contact with carbon fibre,” she said.

Speaking

Summarise the main ideas of the text.

Unit 5

Before you read

5.1 Answer the following questions:

1) What aircraft manufacturers do you know?

2) Have you ever travelled by Airbus airliners?

Do they differ from the other ones? In what way?

 

Read the text and speak about innovative technologies that Airbus’ manufacturers used.



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