Developing skills for the toefl ibt transcript part 8

Chia sẻ: Tran Anh Phuong | Ngày: | Loại File: PDF | Số trang:10

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Developing skills for the toefl ibt transcript part 8

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Today, I'd like to talk about infectious diseases. Have you heard of those before? An infectious disease is a disease that a person can get from environmental factors, that is, from the surroundings or where he or she lives. For example, if a person drinks dirty water, he or she can become sick.

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