2016年12月英语四级真题第3套 Part III Section C (2)

The secret to eating less and being happy about it may have been cracked years ago—by McDonald's.

时间对比类 may have been cracked years ago—by McDonald's may have been cracked years ago had already discovered was known long before existed all along has been there for decades was established years earlier

这个 opening statement 的 implication 是：科学界 is only now confirming 麦当劳多年前就 implemented 的 strategy。这个 subtext 非常 clever，因为它 establishes 文章的 credibility by linking academic research 到 proven commercial success，同时 creates intrigue：如果 McDonald's already knew this，那么 the real value 在于 understanding why it works 以及 how to apply it 到 healthier contexts。这对 main thesis 的作用是 frame 整个 study 不是 discovering something new，而是 scientifically validating 和 generalizing 一个 existing practice。

small non-food rewards—like the toys in McDonald's Happy Meals—stimulate the same reward centers in the brain as food does

等同对比类 the same reward centers in the brain as food does the same...as equally effective as just as...as comparable to equivalent to similar response as

这个 statement 的 deeper meaning 是：既然 non-food rewards 和 food trigger 相同的 brain response，那么 we can strategically use 前者 to reduce 后者，without sacrificing satisfaction。这个 implication is crucial for the article's thesis because it provides the neurological basis for why the substitution strategy works。它 suggests 人们 don't necessarily crave food itself，而是 crave the reward sensation，这就 opens up possibilities for healthier alternatives that deliver same psychological payoff。

They found that the majority of both kids and adults opted for a half-sized portion when combined with a prize.

广泛适用性强调类 the majority of both kids and adults the majority of both...and across all age groups regardless of demographics universally consistently among from children to adults

这个 finding 的 subtext 是：这不是 just a child psychology trick，而是 taps into fundamental human reward-seeking behavior。通过 showing both age groups respond similarly，研究 implies 这个 intervention 不需要 age-specific customization，which makes it more practical and cost-effective to implement broadly。对 main thesis 的作用是 strengthen 论点的 robustness：如果 strategy works 对 such diverse populations，那么 it's based on deep-seated psychological mechanisms 而非 superficial preferences。

Even more interesting is that the promise of a future reward was enough to make adults choose the smaller portion.

递进强调类 Even more interesting even more interesting more surprisingly what's more striking even better more remarkably further evidence shows

这句的 implication 是：你甚至 don't need to provide immediate tangible reward，仅仅 the anticipation of future reward 就够了。这个 subtext dramatically expands 应用 possibilities：不需要 immediate inventory of prizes，不需要 instant gratification logistics。The deeper meaning 是 human psychology 对 delayed rewards 的响应 stronger than expected，这 suggests hope and anticipation 本身就是 powerful motivators。对 thesis 的作用是 show 这个 intervention 比最初想象的 more scalable and cost-effective。

participants were willing to substitute part of a food item for the mere prospect of a relatively small monetary award

最小化条件强调类 the mere prospect simply the possibility just the promise merely the suggestion only the anticipation nothing more than as little as

Reimann 的 comment 暗示：你 don't need actual substantial rewards，just the vague possibility 就能 change behavior。这个 implication 对 practical applications 非常 重要：低成本、高效率。The subtext 是 human decision-making 是 more emotional than rational—人们 respond to hope and possibility 而非 cold calculation of odds。对 main thesis 的 contribution 是 demonstrate 这个 strategy 的 cost-effectiveness：small psychological triggers can substitute for substantial food portions。

In fact, vaguely-stated possibilities of winning a prize were more effective than options with hard odds included.

事实强化类 In fact Actually As a matter of fact Indeed In reality The truth is What actually happens

这个 statement 的 implication 非常 profound：具体的、rational 的 information (hard odds) actually weakens the appeal。The subtext 是 vagueness preserves hope and imagination，而 precise odds 可能 disappoint 或 trigger rational cost-benefit analysis that kills emotional appeal。这对 main thesis crucial because it suggests effective interventions should embrace ambiguity rather than transparency，这 contradicts conventional wisdom about informed decision-making。它 shows 在 motivating behavior change 方面，emotional engagement trumps rational evaluation。

The uncertainty of winning provides added attraction and desirability through emotional 'thrills.'

机制解释类 provides added attraction provides added produces a state of generates creates leads to results in

这句 explicitly states 为什么 uncertainty works：它 generates 'emotional thrills'。The implication 是 behavioral interventions should aim for emotional engagement rather than rational persuasion。The subtext 是 eating decisions 并非 purely about nutrition or satiety，而是 about emotional satisfaction—excitement, hope, anticipation。对 main thesis 的作用是 provide the psychological rationale：如果 we want people to eat less，我们 need to replace food's emotional rewards with other emotional rewards，而 uncertainty and hope 特别 effective in delivering those rewards。

The possibility of receiving an award also produces a state of hope—a state that is in itself psychologically rewarding.

内在价值强调类 in itself intrinsically by itself inherently independently of regardless of outcome even without

这是 paragraph 的 climax statement：hope itself is rewarding。The profound implication 是 you don't even need to deliver the prize—the anticipation period 本身就 generates satisfaction that can substitute for food. This explains why 'mere prospect' works：因为 the waiting, the imagining, the hoping 就是 reward。对 main thesis 这是 critical because it suggests incredibly cost-effective interventions：create hope, promise possibilities, 就能 reduce eating，regardless of whether prizes actually materialize。The subtext 也 explains gambling appeal，tying this research to broader human behavioral patterns。

How might this knowledge be used to help people eat more healthily?

反问引导类 How might this knowledge be used How might this How could we What would this mean for How can this be applied What are the implications How should we use

这个 question 看似 open-ended，但实际上 signals 作者 about to propose concrete applications。The implication 是 all the preceding research 不是 purely academic，而是 has immediate practical utility for public health。The subtext 是 we now have scientifically validated tools to address健康饮食 challenges。对 article structure 的作用是 mark the transition from research findings to implementation suggestions，暗示 readers should start thinking about 'How can I apply this' rather than just 'What did they find'。

That would get you back in the restaurant—and make you eat a little less.

双重目的暗示类 That would get you back in the restaurant That would get you back This also Meanwhile At the same time As a bonus Additionally

这句的 subtle brilliance 在于它 addresses 最大的 implementation obstacle：为什么 restaurants would adopt 让人 eat less 的 strategy？The implication 是 delayed dessert 不仅 reduces immediate consumption (health goal) 还 creates repeat visits (business goal)。The subtext 是这个 intervention 不需要 restaurants sacrifice revenue—它 might even increase it through 增加顾客 loyalty and frequency。这对 entire article's persuasiveness crucial：如果 solutions 看起来 commercially viable，they're more likely to be actually implemented, making the research 真正 impactful rather than just academically interesting。