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Listening Quiz: Thuyết Trình Đánh Giá Các Phương Án Cải Tạo Đất – Medium Level
Th1 24, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà môi trường (English for Environmentalist)
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1.
Which remediation option removes almost 100% of contaminants?
Chemical treatment
Bioremediation
No option removes that much
Soil excavation
Explanation:
William says that excavation removes almost 100% of contaminants.
2.
What does William say about bioremediation?
It costs medium and works in weeks.
It is cheaper but takes longer.
It is safe but requires careful handling of chemicals.
It is the most expensive option and works fastest.
Explanation:
William explains that bioremediation is cheaper but takes longer.
3.
About how much of the contaminants does bioremediation remove?
Almost 100%
About 70%
About 90%
About 50%
Explanation:
William states that bioremediation removes about 70% of contaminants.
4.
Why does Linda ask about the second and third options?
She wants William to stop explaining the choices.
She wants to compare the options before making a decision.
She already decided to choose soil excavation.
She does not understand what remediation means.
Explanation:
Linda asks follow-up questions about the options so she can understand and compare them before deciding.
5.
What can be inferred about why William recommends chemical treatment?
It removes almost all contaminants immediately.
It is the cheapest option available.
It offers a balance of cost, effectiveness, and speed.
It is the only option that is safe for the environment.
Explanation:
William says chemical treatment costs medium, works in weeks, is safe, and balances cost and effectiveness well, so it is the best-balanced choice.
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