Note: During the instruction audio, you will have 20 seconds to look at questions before listening to the
talk.
Questions 31-34
Choose the correct letter, A, B, or C.
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31. What main cause of microplastic pollution does the lecturer identify?
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32. Which fish were only recently understood to be affected?
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33. What is Dr Hartfield mainly investigating?
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34. Why is salmon mentioned?
Questions 35-37
Complete the table below.
Write ONE WORD ONLY for each answer.
Write ONE WORD ONLY for each answer.
| Research on fish | |
| Topic | Detail |
| Possible effects | Microplastics may affect fish growth and the way their (35) work. |
| Learning migration routes | Young fish follow paths laid down by their (36). |
| Laboratory studies | Researchers gain more experimental (37). |
Questions 38-40
Complete the notes below.
Write ONE WORD ONLY for each answer.
Write ONE WORD ONLY for each answer.
Human concerns and prevention
- Researchers are asking whether children may have problems learning (38).
- During pregnancy, microplastic may enter the mother's body through her (39).
- The most important upstream step is reducing plastic (40).
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