A1/T2 &3 (P112,113,114) 1. contribute to 有助于 2. are rich in 富含 3. contains... 4. are good for 5. It is vital to have a regular supply of 6. can be found in 7. reduce the risk of 8. have... 9. is essential for 很有必要 10. help us to 11. We need ...to ... 12. ... is full of ... 13. ...prevents ... 预防 14. ... is high in ... 含量很高 15. ...provides us with... and ...
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