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  3. Get Stressed, Stay Young For decades doctors have warned us about the dangers of stress and have given us advice about how

Get Stressed, Stay Young For decades doctors have warned us about the dangers of stress and have given us advice about how

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问题                         Get Stressed, Stay Young

    For decades doctors have warned us about the dangers of stress and have given us advice about how to cut down our stress levels. Everyone agrees that long-term stress, for example, having to look after someone who has a chronic illness, or stressful situations where there is nothing we can do, or being stuck in a traffic jam, is bad for our health and should be avoided whenever possible. However, some medical experts now believe that certain kinds of stress may actually be good for us.
    Dr. Marios Kyriazis, an anti-aging expert, claims that what he calls "good stress" is beneficial to our health and may, in fact, help us stay young and attractive and even live longer. Dr Kyriazis says that " good stress" can strengthen our natural defenses which protect us from illnesses common among older people, such as Alzheimer’s, arthritis(关节炎), and heart problems. He believes that "good stress" can increase the production of the proteins that help to repair the body’s cells, including brain cells.
    According to Dr. Kyriazis, running for a bus and having to work to a deadline are examples of "good stress", which are situations with short-term, low or moderate stress. The stress usually makes us react quickly and efficiently, and gives us a sense of achievement—we did it! However, in both these situations, the stress damages the cells in our body or brain and they start to break down. But then the cells’ own repair mechanism " switches on" and it produces proteins which repair the damaged cells and remove harmful chemicals that can gradually cause disease. In fact, the body’s response is greater than is needed to repair the damage, so it actually makes the cells stronger than they were before.
    " As the body gets older, this self-repair mechanism of the cells starts to slow down," says Dr. Kyriazis. "The best way to keep the process working efficiently is to ’ exercise’ it, in the same way you would exercise your muscles to keep them strong. This means having a certain amount of stress in our lives. "
    Other stressful activities that Dr. Kyriazis recommends as being good stress include redecorating a room in your house over a weekend, packing your suitcase in a hurry to reach the airport on time, shopping for a dinner party during your lunch break or programming your DVD player by following the instruction manual.
Question 71—75
Complete the summary with a maximum of three words from the passage.
    In the past, stress was considered to be harmful to our health. Therefore, we always【R1】______the stress levels when possible. But recently medical experts claim that some " good stress" can be beneficial to our health and help us stay young and attractive. That is because the self-repair mechanism of this kind of stress can【R2】______, and produce proteins that repair the damaged cells and remove【R3】______. To prevent the cells from【R4】______, we must have some stress in our daily life. Such stress can【R5】______our self-repair mechanism.
【R2】
选项
答案switch on
解析 (文中第三段提到“But then the cells’own repair mechanism‘switches on’and it producesproteins which repair the damaged cells and remove harmful chemicals that can gradually causedisease”，由此可知，这种压力的自我修复机制能够开启并产生蛋白质，因此填switch on。)
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本试题收录于： D类竞赛（专科）题库大学生英语竞赛（NECCS）分类
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