IELTS reading main_idea Practice
本文的主要目的是什麼？
Question type: multiple choice · Difficulty: intermediate
- A. (A) 論證遺傳學對智力的重要性不及營養。
- B. (B) 提供給家長的飲食建議清單。
- C. (C) 解釋特定營養素在生命早期對腦部結構的重要性。
- D. (D) 比較鐵和碘對身體生長的影響。
Explanation Preview
The passage's main focus is explaining the mechanisms by which nutrition affects long-term learning. It details the 'critical windows' and the specific roles of nutrients like iron, iodine, and DHA in building the 'brain's architecture' and 'neurological infrastructure', as stated in paragraphs A, B, C, D, and E.