2. 外语
  3. Moods, say the experts, are emotions that tend to become fixed, influencing one’s outlook for hours, days or even weeks. That’s

Moods, say the experts, are emotions that tend to become fixed, influencing one’s outlook for hours, days or even weeks. That’s

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问题     Moods, say the experts, are emotions that tend to become fixed, influencing one’s outlook for hours, days or even weeks. That’s great if your mood is a pleasant one, but a problem if you are sad, anxious, angry or simply lonely.
    Perhaps the best way to deal with such moods is to talk them out; sometimes, though, there is no one to listen. Modern pharmacology (药理学) offers an abundance of tranquilizers (镇静 剂), antidepressants and anti-anxiety drugs. What many people don’t realize, however, is that scientists have discovered the effectiveness of several non-drug approaches to make you loose from an unwanted mood. These can be just as useful as drugs, and have the added benefit of being nonpoisonous. So next time you feel out of sorts, don’t head for the drug-store—try the following approach.
    Of all the mood-altering self-help techniques, aerobic (增氧) exercise seems to be the most efficient cure for a bad mood. "If you could keep the exercise, you’d be in high spirits," says Kathryn Lance, author of Running for Health and Beauty.
    Researchers have explained biochemical and various other changes that make exercise, compare favorably to drugs as a mood-raiser. Physical exertion (努力) such as housework, however, does little. The key is aerobic exercise—running, cycling, walking, swimming or other repetitive and sustained activities that boost the heart rate, increase circulation and improve the body’s utilization of oxygen. Do them for at least 20 minutes a session three to five times a week.
We can infer from the passage that______.
选项 A、the best way to overcome a bad mood is to talk to oneself
B、when one is in a bad mood, he or she will not work properly
C、some drugs are more effective than physical exercises
D、all exercises are not mood-raisers
答案D
解析 本题是一道推断类问题。问我们可以从文章中推断出什么。根据文章最后一段的内容，通过对生物化学变化及其他各种变化的解释，在研究人员看来，增氧健身法在改善情绪方面可与药物媲美。不过，做家务之类的体力劳动效果甚微。其中的关键问题是：长跑、骑自行车、步行、游泳以及其他提高心率的重复、持续性活动作为增氧健身法，可改善内循环及改善身体的摄氧量。因此，本题的正确答案应是D“不是所有的运动锻炼都可以提高人的情绪的”。
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