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  3. Energy Cycle Do you find getting up in the morning so difficult that it’s painful? This might be called laziness, but Dr. Kl

Energy Cycle Do you find getting up in the morning so difficult that it’s painful? This might be called laziness, but Dr. Kl

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问题                             Energy Cycle
    Do you find getting up in the morning so difficult that it’s painful? This might be called laziness, but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy cycle.
    During the hours when you labor through your work you may say that you’re "hot". That’s true. The time of day when you feel most energetic is when your cycle of body temperature is at its peak. For some people the peak comes during the morning. For others it comes in the afternoon or evening. No one has discovered why this is so, but it leads to such familiar monologues as: " Get up, John! You’ll be late for work again!" The possible explanation to the trouble is that John is at his temperature-and-energy peak in the evening. Much family quarrelling ends when husbands and wives realize what these energy cycles mean, and which cycle each member of the family has.
    You can’t change your energy cycle, but you can learn to make your life fit to it better. Habit can help, Dr. Kleitman believes. Maybe you’re sleepy in the evening but you must stay up late anyway. Counteract your cycle to some extent by habitually staying up later than you want to. If your energy is low in the morning but you have an important job to do early in the day, rise before your usual hour. This won’t change your cycle, but you’ll get up steam and work better at your low point.
    Get off to a slow start which saves your energy. Get up with a leisurely yawn and stretch. Sit on the edge of the bed a minute before putting your feet on the floor. Avoid the trouble of searching for clean clothes by laying them out the night before. Whenever possible, do routine work in the afternoon and save tasks requiring more energy or concentration for your sharper hours.
You are advised to rise with a yawn and stretch because it will______.
选项 A、help to keep your energy for the day’s work
B、help you to control your temper early in the day
C、enable you to concentrate on your routine work
D、keep your energy cycle under control all day
答案A
解析 “建议你早上起床时打个呵欠，伸伸懒腰，因为它们会——”首先应理解文章最后一段的第一句话“get off to a slow start which saves your energy”，还要理解该句后面的三句话，它们是保存能量的具体方法。“Get up with a leisurely yawn and stretch”当然是为了保存能量。所以正确答案是A。
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