1. It is a well-known fact that ______________ sewage is the major cause of polluted rivers. ( TREAT ) 2. Advances in ( medicine ) ________________ sc

1. It is a well-known fact that ______________ sewage is the major cause of polluted rivers. ( TREAT )
2. Advances in ( medicine ) ________________ science will help people live longer in the future.

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  1. 1. untreated

    → trước danh từ cần 1 tính từ để bổ nghĩa cho câu- untreated (adj) : chưa qua xử lí  – untreated sewage : nước thải chưa qua xử lí.

    2. medical 

    → giải thích y hệt câu trên – medical sience: khoa học y tế

    @ $Âu$

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  2. 1.It is a well-known fact that untreated sewage is the major cause of polluted rivers.

    ⇒trước danh từ ( sewage (n): nước thải ) cần 1 tính từ để bổ sung nghĩa cho câu ( untreated (adj) : chưa qua xử lí ) – untreated sewage : nước thải chưa qua xử lí

    2.Advances in medical science will help people live longer in the future.

    ⇒ medical sience: khoa học y tế

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