Ответы к экзамену: Итоговый тест (96%)

The problem (to discuss) ... at today’s conference, deals with economics.

Find in the text English equivalents to the following expressions:

Decide if the following statements are FALSE or TRUE:
Electrical equipment is used only in industry.

Decide if the following statements are FALSE or TRUE:
Electric energy finds its most important use in industry.

Decide if the following statements are FALSE or TRUE:
Many biological and chemical processes are electrical in nature.

Decide if the following statements are FALSE or TRUE:
We can easily imagine modern civilization without the electric current.

Decide if the following statements are FALSE or TRUE:
Electric current is necessary for the operation of modern machines.

Comprehension: Choose the best answer to complete each sentence.
Electricity is widely used because it ...

Choose the correct answer:
What device transforms electrical energy into mechanical energy?

Choose the correct answer:
What device lights your room?

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What device lifts objects weighing hundreds of tons?

Choose the correct answer:
What device melts great masses of metal?

Choose the correct answer:
What device measures the temperature of hot metals?

Comprehension: Choose the best answer to complete each sentence.
When a current is flowing through the wire, electrical energy is converted to

Vocabulary: Choose the correct word.
Needless to say, it took a long time before scientists learned how ... electricity.

Comprehension: Choose the best answer to complete each sentence.
The ... of power-stations operating on atomic fuel is quite necessary.

Comprehension: Choose the best answer to complete each sentence.
Electrical current is necessary... but they are not the same thing.

Comprehension: Choose the best answer to complete each sentence.
Electrical engineers have to solve difficult problems connected with ...

Comprehension: Choose the best answer to complete each sentence.
Does the electric motor transform electrical energy into ... ?

Vocabulary: Choose the correct word.
What famous ... working in the field of electricity do you know

Vocabulary: Choose the correct word.
A semiconductor laser... electrical energy directly into light wave energy is the most remarkable feature.

Vocabulary: Choose the correct word.
It is impossible ... the temperature of hot flowing metals.

Vocabulary: Choose the correct word.
The ... showing the temperature of metals melted in furnaces is also an electrical device.

Vocabulary: Choose the correct word.
Such a temperature is best... with a radiation pyrometer.

Vocabulary: Choose the correct word.
The motors find different....

Match the words and phrases in columns A with their definitions in column В