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【简答题】

Too much caffeine and sugar can affect a person’s ( ) , speeding up nerve activities.

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【简答题】A good diet and plenty of rest can help ( ) the symptoms of minor illnesses and make you feel better.
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【简答题】You need a lot of ( ) to be able to run a marathon.
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【简答题】After eating, you should allow your body time to ( ) the food before you start any exercise.
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【简答题】After exercising, you should drink water to ( ) the fluids lost during your workout.
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【简答题】Severe ( ) can be caused by too much exercise or a poor diet, resulting in the desire to sleep all the time.
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【简答题】Many s face a ( ) when they must choose whether or not to take time away from work and family in order to exercise.
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【简答题】Stress can reduce the effectiveness of your ( ) and make it easier for you to become sick.
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【简答题】An area of the brain called the pineal gland produces a ( ) called melatonin that helps people get the right amount of sleep.
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【简答题】Soft drinks and candy bars often contain a lot of ( ) sugar, which is not as healthy as the natural sugars in fruits.
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【单选题】If you alleviate something, it's going to get much worse.
A.
True
B.
False
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