IELTS Listening Practice Test 24

IELTS Listening Section 4

Questions 31-33

Choose the correct letter, A, B or C.

31 What does the speaker say about newspapers?
A They never report developments in science accurately.
B He became interested in his subject because of a newspaper report.
C They only report developments in renewable energy technology.

32 What significant event took place in 1956?
A Scientists discovered a new source of energy.
B A new type of power station came into service.
C Helium was first produced from hydrogen.

33 What does the speaker consider to be the main problem with nuclear fusion?
A Irresponsible scientists make false claims on the subject.
B It takes too long to produce the required reaction.
C The reaction has not produced usable quantities of energy.

Questions 34, 35

Complete the sentences below.
34 Temperatures of at least degrees are needed for fusion to take place.
35 Creating the pressure required in a is a major technological problem.

Questions 36-40

Complete the summary below.
Write NO MORE THAN TWO WORDS for each answer.

In order for nuclear fusion to produce useful quantities of energy, isotopes of hydrogen must be brought together at extremely high temperatures and pressures. A number of 36 will suspend the fuel so that it does not come into contact with the sides of the 37 . Another one will raise the temperature of the fuel pellet to that required to start the 38 .
Extra energy released in this process will be used to produce 39  that can be used to generate electricity. It is believed that the amount of energy that can be produced from 40 of fusion fuel is equivalent to that which can be produced from 10,000 tonnes of fossil fuel.

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