Listening Quiz: Thuyết Trình Báo Cáo Quan Trắc Chất Lượng Nước – Advanced Level

1. What is the main purpose of Mark’s presentation?
2. How many locations did Mark test last month?
3. Which site had poor water quality?
4. What is the most likely reason Jessica asks about the contaminant levels?
5. What does Jessica say the report will help them do?

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