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Rolls' studies show that______.A. we only need to eat soup at mealsB. we'd better eat soup at first or as the main mealC. we should eat soup as the last courseD. soup is often the most delicious food

Rolls' studies show that______. A. we only need to eat soup at meals B. we'd better eat soup at first or as the main meal C. we should eat soup as the last course D. soup is often the most delicious food

题目解答

答案

我们来逐步分析这个题目。 题目是: **Rolls' studies show that______.** 选项如下: A. we only need to eat soup at meals B. we'd better eat soup at first or as the main meal C. we should eat soup as the last course D. soup is often the most delicious food --- ### 第一步:理解题干 题干说的是“Rolls 的研究显示……”,这是一个关于饮食行为或营养学的研究结论。我们需要根据 Rolls 的研究结论,选择最符合其研究发现的选项。 --- ### 第二步:分析选项 **A. we only need to eat soup at meals** 意思是“我们吃饭时只需要喝汤”。这个说法太绝对,而且没有科学依据支持“只喝汤”是健康或合理的饮食方式。因此这个选项不太可能是正确答案。 **B. we'd better eat soup at first or as the main meal** 意思是“我们最好在吃饭开始时或作为主餐吃汤”。这个选项暗示汤的摄入时机对饮食有帮助,可能与控制食量、促进饱腹感有关,符合营养学中的一些研究结论。 **C. we should eat soup as the last course** 意思是“我们应该在最后一道菜吃汤”。这与一些饮食建议相悖,因为汤通常被认为有助于提前产生饱腹感,从而减少后续食物摄入。 **D. soup is often the most delicious food** 意思是“汤通常是最好吃的食物”。这个说法是主观的,与 Rolls 的研究无关,也不属于科学研究的范畴。 --- ### 第三步:结合背景知识 根据饮食行为研究(如 Rolls 教授的研究),**在正餐开始时喝汤有助于增加饱腹感,从而减少整体热量摄入**。这符合健康饮食和控制体重的建议。 因此,**B 选项最符合 Rolls 的研究结论**。 --- ### 最终答案: $$ \boxed{B} $$

解析

本题考查对Rolls研究结论的理解,核心在于汤的摄入时机对饮食行为的影响。Rolls的研究表明,在正餐开始时或作为主餐摄入汤类,能够有效增加饱腹感,从而减少整体食物摄入量。因此,正确选项需体现这一关键结论。

选项分析

A. we only need to eat soup at meals

错误。该选项强调“只喝汤”,但研究并未否定其他食物的必要性,且“only”过于绝对化,不符合科学建议。

B. we'd better eat soup at first or as the main meal

正确。Rolls的研究明确指出,餐前或以汤作为主餐的一部分,能更快产生饱腹感,帮助控制热量摄入,与选项描述一致。

C. we should eat soup as the last course

错误。若将汤放在最后,可能因已摄入其他高热量食物而无法有效控制总热量,与研究结论矛盾。

D. soup is often the most delicious food

错误。该选项为主观评价,与Rolls的研究无关,且科学研究不涉及食物的主观美味程度。

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