A、Sipping a glass of wine before getting into bed. B、Drinking a cup of tea one hour before sleep. C、Exercising one or two hours

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问题  
Say you get into bed, prepared for a healthy seven or eight hours and then stare at the clock for four of them. Is all lost? If you have trouble sleeping for a few days here and there, taking steps to improve your sleep should get you back on track. The first step for anyone with sleep problems should be to take a careful look at your sleep hygiene. This means organizing your surroundings and activities to promote sleep as bedtime approaches. Skip caffeine after noon. Avoid alcohol or heavy meals within three hours of bedtime. Exercise is great for sleep, especially falling asleep. You’ll get the most benefit by exercising one or two hours before bedtime. A hot shower or bath about an hour and a half before bedtime can also be helpful. In addition, reserve your bed for sleep. If you can’t sleep, get out of bed, go somewhere else, do something quiet, calm and relaxing, go back to bed when you’re sleepy again. Go to bed and wake up at the same time—within a half hour—every day. Finally, don’t make your Facebook page, BlackBerry or TV your final destination of the evening. Using these devices for communication is clearly eating into our sleep time. Texting friends, playing computer games or just watching TV stimulates our brains and bodies, and the extra light we expose ourselves to when we peer at a screen could be throwing off our body clocks.
16. Which of the following is helpful to get asleep?
17. What should we do if we cannot fall asleep?
18. Which is the best title for this passage?

选项 A、Sipping a glass of wine before getting into bed.
B、Drinking a cup of tea one hour before sleep.
C、Exercising one or two hours before bedtime.
D、Taking a hot shower half an hour before bedtime.

答案C

解析 细节辨认题。文中介绍了几种有益于睡眠的行为:从下午开始就避免摄人咖啡因;睡前三小时内避免饮酒或吃大餐;睡前运动一到两个小时;或睡前一个半小时洗个热水澡。
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