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Listening Quiz: Thuyết Trình Đánh Giá Rủi Ro Cho Chất Ô Nhiễm Hóa Học – Easy Level
Th6 28, 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 purpose of Laura’s presentation?
To report on employee safety training
To describe a new product for cleaning soil
To compare different types of water treatment systems
To explain the risks of a chemical pollutant and how to reduce them
Explanation:
Laura presents a risk assessment about a chemical pollutant, including its effects, safe limit, natural breakdown, and ways to reduce risk.
2.
According to Laura, what human health problems can the chemical pollutant cause?
Breathing problems and skin irritation
Stomach pain and nausea
Eye strain and dizziness
Headaches and fever
Explanation:
Laura says the chemical can cause breathing problems and skin irritation.
3.
What is the safe limit for the chemical pollutant?
5 parts per million
10 parts per million
20 parts per million
15 parts per million
Explanation:
Laura states that the safe limit is 10 parts per million.
4.
What can be inferred about the chemical pollutant’s natural breakdown?
It breaks down naturally, but very slowly
It cannot break down at all
It disappears quickly after release
It only breaks down in soil
Explanation:
Laura says the chemical can break down naturally, but it takes a long time, which means the process is slow.
5.
What does Laura recommend to reduce the risk from the chemical pollutant?
Changing the weather conditions
Increasing production of the chemical
Controlling emissions and monitoring water quality
Storing the chemical near rivers
Explanation:
Laura says they should control emissions and monitor water quality to reduce the risk.
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