II. Examination Questions Design
( A ) Rewrite the passage in approximately 250 words, keeping the main ideas and key points while making it appropriate for 11th -grade students. Then, create a cloze test with five multiple-choice questions, each with four answer choices. Provide the correct answer for each question.
        The notion that consuming coffee immediately upon waking is detrimental has gained significant traction on social media. Wellness advocates and influencers often recommend delaying caffeine intake by 90 to 120 minutes after waking to mitigate the purported risks of an afternoon energy slump and enhance sleep quality. This practice is sometimes hailed as a transformative strategy for optimizing energy levels. However, it is essential to scrutinize these claims through the lens of scientific evidence.
        To critically evaluate this assertion, it is crucial to comprehend the physiological mechanisms underlying caffeine's effects on the human body. Throughout the day, the brain synthesizes adenosine, a neurotransmitter that induces somnolence by binding to specific receptors. Caffeine functions as an adenosine receptor antagonist, thereby enhancing alertness by blocking these receptors.
        Notably, caffeine's effects are not instantaneous. Dr. Michael Grandner, Director of the Sleep and Health Research Program at the University of Arizona, notes that it typically requires 20 to 30 minutes for caffeine to reach the brain and exert its effects. The duration of these effects varies significantly among individuals, primarily due to genetic variability in caffeine metabolism.
        One rationale for postponing caffeine consumption is predicated on the fluctuations in adenosine levels. Given that adenosine concentrations naturally diminish during sleep, they are at their nadir upon waking. The theoretical underpinning is that consuming coffee immediately after waking may yield a less pronounced stimulatory effect compared to waiting until adenosine levels have increased.
        Dr. Grandner acknowledges the validity of this rationale and personally adopts a delay of 30 to 60 minutes before consuming his first cup of coffee. However, it is crucial to note that there is no universally accepted scientific consensus regarding the optimal timing for caffeine intake, as individual preferences play a significant role. Another potential justification for delaying caffeine intake is for individuals who limit themselves to a single cup per day. By postponing consumption until later in the morning, they may potentially prolong the effects of caffeine into the afternoon, thereby mitigating the likelihood of a mid-day energy decline.
        In reality, there is a dearth of robust scientific evidence to support the notion that consuming coffee immediately upon waking is detrimental or that delaying it confers substantial benefits. Dr. Marilyn Cornelis, a prominent caffeine researcher at Northwestern University Feinberg School of Medicine, underscores that caffeine's effects are highly variable among individuals, with some metabolizing it rapidly and others experiencing more prolonged effects.
        For individuals experiencing afternoon energy fluctuations, adjusting caffeine intake may be beneficial, but delaying morning coffee consumption is not the sole solution. Factors such as sleep quality, dietary habits, and hydration status play a more significant role in maintaining consistent energy levels throughout the day.
       The notion that consuming coffee immediately upon waking is inherently detrimental is more akin to a social media trend than a scientifically substantiated fact. While delaying caffeine intake may be beneficial for certain individuals, it is not a universally applicable principle. If you derive satisfaction from your morning coffee immediately upon waking, there is no compelling scientific rationale to alter this routine.

詳解 (共 2 筆)

Jeff Chen
Jeff Chen
詳解 #6350154
2025/03/27
(A) Rewritten Passa...
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Jessica
Jessica
詳解 #6348875
2025/03/26

Revised Passage (Approx. 250 words)

Many people believe that drinking coffee immediately after waking up is harmful, a claim often promoted on social media. Wellness influencers suggest waiting 90 to 120 minutes before consuming caffeine to avoid an afternoon energy crash and improve sleep quality. While this advice sounds appealing, scientific evidence supporting it is limited.

To understand the claim better, it's important to know how caffeine works. Throughout the day, the brain produces adenosine, a chemical that causes drowsiness. Caffeine blocks adenosine receptors, helping people feel more alert. However, caffeine doesn't work instantly. According to Dr. Michael Grandner from the University of Arizona, it takes 20 to 30 minutes for caffeine to take effect, and its duration varies depending on an individual's metabolism.

Some suggest delaying coffee because adenosine levels are lowest upon waking. Waiting may allow adenosine to rise slightly, making caffeine's effects more noticeable. Dr. Grandner personally waits 30 to 60 minutes before drinking coffee but notes there is no strong scientific evidence proving this is the best approach for everyone.

In fact, Dr. Marilyn Cornelis from Northwestern University emphasizes that caffeine affects people differently. For those prone to afternoon fatigue, timing caffeine intake carefully may help. However, other lifestyle factors, such as sleep quality, diet, and hydration, are often more important for maintaining steady energy levels.

Ultimately, delaying coffee might benefit some people, but there is no solid proof that drinking coffee right after waking is harmful. If you enjoy your morning coffee as part of your routine, there’s no urgent need to change it.

Cloze Test with Multiple-Choice Questions

  1. What is one reason some people suggest delaying coffee intake? a) To improve digestion
    b) To allow adenosine levels to rise
    c) To boost metabolism
    d) To reduce morning fatigue
    Answer: b

  2. How long does caffeine typically take to affect the brain?
    a) 5 to 10 minutes
    b) 10 to 15 minutes
    c) 20 to 30 minutes
    d) 45 to 60 minutes
    Answer: c

  3. What factor primarily determines how long caffeine's effects last?
    a) Body temperature
    b) Caffeine source
    c) Genetic metabolism
    d) Daily routine
    Answer: c

  4. According to the passage, what plays a greater role in maintaining energy levels throughout the day?
    a) Delaying caffeine intake
    b) Drinking coffee twice a day
    c) Getting good sleep and staying hydrated
    d) Eating sugary foods in the morning
    Answer: c

  5. What does the passage suggest about drinking coffee immediately after waking up?
    a) It is dangerous and should be avoided
    b) It may reduce energy for the entire day
    c) It is generally fine if it suits your routine
    d) It is the most effective way to stay alert
    Answer: c