IELTS reading detail Practice
本文指出，Omega-3脂肪酸是大腦...的重要結構組成部分。
Question type: sentence completion · Difficulty: intermediate
- A. (A) 甲狀腺
- B. (B) 髓鞘
- C. (C) 神經傳導物質
- D. (D) 灰質
Explanation Preview
Paragraph E specifies the role of DHA, an omega-3 fatty acid. It states clearly that 'DHA is a primary structural component of the brain's grey matter and the retina.' The other options are linked to different nutrients (iodine, iron).