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Listening Quiz: Ô Nhiễm Vi Nhựa Trong Hệ Thống Sông – Advanced Level
Th5 3, 2025
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What is the main topic of Laura’s presentation?
Methods for building better water treatment plants
The effects of rainfall on river flow
The types of fish found in urban rivers
A study on microplastic contamination in a river system
Explanation:
Laura says she will present a study on microplastic contamination, and the conversation focuses on where it was found, how it was measured, and how it might be reduced.
2.
How did Laura measure the contamination levels?
By testing water temperature at each location
By counting fish populations
By comparing rainfall totals in different months
By using a filtration method and microscopic analysis
Explanation:
Laura states that they measured the contamination levels using a filtration method and microscopic analysis.
3.
Where were the contamination levels higher?
Upstream in rural areas
Only at the river mouth
At the five sampling locations equally
Near urban areas
Explanation:
Laura explains that contamination levels were higher near urban areas and lower upstream.
4.
What can be inferred about the river near urban areas?
It is cleaner than the upstream locations
It has no aquatic animals affected by pollution
It likely receives more microplastic pollution than upstream areas
It experiences no seasonal changes
Explanation:
Since Laura says contamination levels were higher near urban areas, it is reasonable to infer that those areas likely receive more microplastic pollution than upstream locations.
5.
According to Laura, what are key solutions to reduce microplastic contamination?
Increasing fishing limits and building dams
Stopping rainfall from entering the river
Better waste management and public awareness
Moving all industries upstream
Explanation:
Laura directly says that better waste management and public awareness are key solutions.
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