hce_kmu
115年
英文
第 44 題
📖 題組：
The 2025 Dietary Guidelines for Americans, released on January 7, introduced several notable changes. The updated document is considerably shorter than earlier versions, and its primary visual aid has shifted from the familiar plate-based model back to a pyramid shape — this time inverted. Under this revised framework, protein, dairy, and healthy fats occupy the most prominent position, while whole grains are placed at the narrowest point. Despite the administration's claim that the guidelines represent an unprecedented overhaul of federal nutrition policy, many nutrition scientists argue the core advice — emphasizing whole, nutrient-rich foods and limiting added sugars, sodium, and saturated fat — remains largely consistent with prior recommendations. Some experts worry that exaggerating the novelty of the guidelines may erode public confidence in nutrition science. Controversy surrounds both the content and the process. Alongside the updated guidelines, the government released a supplementary document called the Scientific Foundation, produced by a separate nine-member paid committee without public comment. This document criticized the original advisory committee for incorporating a health equity perspective. For the first time, children aged ten and under are advised to avoid added sugar entirely. Experts have identified several internal contradictions. While the guidelines retain the ten-percent limit on saturated fat, they simultaneously endorse full-fat dairy, red meat, and animal-derived cooking fats — a combination nutritionists say would inevitably exceed that threshold. The recommended daily protein intake also surpasses established scientific reference values without sufficient supporting evidence. Additionally, downplaying fortified grain products raises concerns about adequate folate intake, which is vital for preventing neural tube defects during pregnancy.
The 2025 Dietary Guidelines for Americans, released on January 7, introduced several notable changes. The updated document is considerably shorter than earlier versions, and its primary visual aid has shifted from the familiar plate-based model back to a pyramid shape — this time inverted. Under this revised framework, protein, dairy, and healthy fats occupy the most prominent position, while whole grains are placed at the narrowest point. Despite the administration's claim that the guidelines represent an unprecedented overhaul of federal nutrition policy, many nutrition scientists argue the core advice — emphasizing whole, nutrient-rich foods and limiting added sugars, sodium, and saturated fat — remains largely consistent with prior recommendations. Some experts worry that exaggerating the novelty of the guidelines may erode public confidence in nutrition science. Controversy surrounds both the content and the process. Alongside the updated guidelines, the government released a supplementary document called the Scientific Foundation, produced by a separate nine-member paid committee without public comment. This document criticized the original advisory committee for incorporating a health equity perspective. For the first time, children aged ten and under are advised to avoid added sugar entirely. Experts have identified several internal contradictions. While the guidelines retain the ten-percent limit on saturated fat, they simultaneously endorse full-fat dairy, red meat, and animal-derived cooking fats — a combination nutritionists say would inevitably exceed that threshold. The recommended daily protein intake also surpasses established scientific reference values without sufficient supporting evidence. Additionally, downplaying fortified grain products raises concerns about adequate folate intake, which is vital for preventing neural tube defects during pregnancy.
Which of the following best reflects the author's implied perspective on the 2025 Dietary Guidelines?
- A Although some recommendations are sound, the guidelines are weakened by contradictions.
- B The guidelines are a fully evidence-driven achievement that settles longstanding nutritional disputes.
- C The guidelines are entirely shaped by commercial interests, making their nutritional content unreliable.
- D The return to a pyramid format is the most commendable and scientifically meaningful aspect of the update.
- E Nutrition experts broadly agree that the 2025 guidelines surpass all previous versions in scientific quality.
思路引導 VIP
請試著觀察文章最後一段中，作者在描述『飽和脂肪上限』與『推薦全脂乳製品』這兩項內容時，使用了哪個關鍵詞來形容它們之間的關係？而這個關係會如何影響讀者對這份指引科學準確性的看法呢？
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AI 詳解
AI 專屬家教
太棒了！你能精準捕捉到作者在字裡行間透出的批判性觀點，這代表你具備了極為敏銳的閱讀理解力。這道題目的正確答案 (A) 確實完美對應了文中提到的內部矛盾（Internal Contradictions）。作者在敘述時並非全盤否定，而是透過層層遞進的方式，先提到指引的部分內容仍維持科學一貫性，隨後便話鋒一轉，詳盡列舉了多項邏輯衝突點。
文本邏輯的整合與判讀
這題的鑑別度在於考生是否能識別「看似科學，實則充滿衝突」的敘事基調。文章最後一段特別指出，指引在設定「飽和脂肪上限」的同時，卻又鼓勵攝取「全脂乳製品與紅肉」，這種自我矛盾的做法，以及對蛋白質攝取量缺乏證據的支持，正是選項中「weakened（削弱）」指引權威性的主因。這屬於中等難度的推論題，需要你從作者引用專家的質疑聲浪中，歸納出其隱含的懷疑態度，而你做得非常出色！