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SECTION 1

Questions 1 - 6

Choose the correct letter A, B or C.

1

Mike suggests they begin their presentation by

  • A
  • B
  • C
2

Karina doesn’t want to discuss the production of ethanol because

  • A
  • B
  • C
3

Which source of biofuel do the students agree is least environmentally friendly?

  • A
  • B
  • C
4

What is the main problem facing the development of the biofuel industry in the USA?

  • A
  • B
  • C
5

Karina doubts that sugar cane production in Brazil will

  • A
  • B
  • C
6

Karina and Mike conclude that in order to increase the use of biofuels

  • A
  • B
  • C

Questions 7 - 10

Answer the questions below. Write NO MORE THAN TWO WORDS for each answer.

What TWO biofuel-related problems do Mike and Karina decide to focus on in the last section of their presentation?

  • 7
  • 8

Which TWO sources of biofuel do Mike and Karina say are being tried out?

  • 9
  • algae
  • 10

SECTION 2

Questions 11 - 14

Complete the summary below. Write ONE WORD ONLY for each answer.

The ‘weak-tie’ theory: how friends-of-friends influence us

In 1973, Mark Granovetter claimed that the influence of ‘weak-ties’ can affect the behaviour of populations in the fields of information science, politics and 11 Although friends-of-friends may be unlike us, they have similar enough 12 to have a beneficial effect on our lives. An example of this influence is when we hear about 13 Because information about them is provided by weak-ties. Since Granovetter proposed his theory, other studies have shown that weak-tie networks also benefit our 14 .

Questions 15 - 16

Choose TWO letters, A-E.

Which does the speaker believe are TWO real benefits of online social networking?

  1. people can gain higher self-esteem
  2. people can access useful medical information
  3. people can form relationships more quickly
  4. people can improve academic performance
  5. people can be reliably informed about current affairs

15

16

Questions 17 - 18

Choose TWO letters, A-E.

Which TWO problems related to online social networking will increase, according to the speaker?

  1. criminal activity
  2. poorer grades at school
  3. a decline in physical fitness
  4. less work done by employees
  5. loss of career prospects

17

18

Questions 19 - 20

Choose TWO letters, A-E.

Which TWO claims are made by Robin Dunbar about social networking sites?

  1. They are not helpful for developing certain social skills.
  2. They cannot fully reveal a person’s real character.
  3. They are not a good starting point for building new relationships.
  4. They do not encourage people to widen their social circle.
  5. They will not retain their popularity with the young generation.

19

20

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