下面文章中有4处需要添加小标题。请从以下选项（A、B、C、D和E）中选出符合各段意思的小标题, 选项中有一项是多余选项。A. Early to Bed, Ear

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下面文章中有4处需要添加小标题。请从以下选项（A、B、C、D和E）中选出符合各段意思的小标题, 选项中有一项是多余选项。
A. Early to Bed, Early to Rise
B. Read Challenging Books
C. Relax yourself
D. Minimize Television Watching
E. Take Time to Reflect
Five Simple Ways to Increase Your Intelligence
Your brain needs exercise just like a muscle. If you use it often and in the right ways, you will become a more skilled thinker and increase your ability to focus.  
Here are 5 simple ways anyone can squeeze a bit more productivity out of the old gray matter.
1. __________-This is a hard sell. People love vegetating in front of the television, myself included more often than I’d like. The problem is watching television doesn’t use your mental capacity OR allow it to recharge. It’s like having the energy sapped out of a muscle without the health benefits of exercise.
When you feel like relaxing, try reading a book instead. If you’re too tired, listen to some music. When you’re with your friends or family, leave the tube off and have a conversation. All of these things use your mind more than television and allow you to relax.
Exercise- I used to think that I"d learn more by not exercising and using the time to read a book instead. But I realized that time spent exercising always leads to greater learning because it improves productivity during the time afterwards. Using your body clears your head and creates a wave of energy. Afterwards, you feel invigorated（精力充沛）and can concentrate more easily.
2. __________-Many people like to read popular suspense fiction, but generally these books aren"t mentally stimulating. If you want to improve your thinking and writing ability you should read books that make you focus. Reading a classic novel can change your view of the world and will make you think in more precise, elegant English. Don’t be afraid to look up a word if you don’t know it, and don’t be afraid of dense passages. Take your time, re-read when necessary, and you’ll soon grow accustomed to the author’s style.
3. __________-Nothing makes it harder to concentrate than sleep deprivation. You"ll be most rejuvenated if you go to bed early and don’t sleep more than 8 hours. If you stay up late and compensate by sleeping late, you’ll wake up lethargic（无精打采）and have trouble focusing. In my experience the early morning hours are the most tranquil and productive. Waking up early gives you more productive hours and maximizes your mental acuity（敏锐）all day.
If you have the opportunity, take 10-20 minute naps when you are hit with a wave of drowsiness. Anything longer will make you lethargic, but a short nap will refresh you.
4. __________-Often our lives get so hectic that we become overwhelmed without even realizing it. It becomes difficult to concentrate because nagging thoughts keep interrupting. Spending some time alone in reflection gives you a chance to organize your thoughts and prioritize your responsibilities. Afterwards, you’ll have a better understanding of what"s important and what isn’t. The unimportant stuff won’t bother you anymore and your mind will feel less encumbered.
Conclusion-I hope you aren’t disappointed that none of the techniques I"ve proposed are revolutionary. But simple, unexciting answers are often the most valid. The challenge is having the will to adhere to them. If you succeed in following these 5 tips, you’ll be rewarded with increased mental acuity and retention of knowledge.

答案

小题1:D
小题2:B
小题3:A
小题4:E

解析

试题分析：
小题1:从后面的提示People love vegetating in front of the television,可知这段是要将看电视的时间减到最少，选D
小题2:段落中间的句子：If you want to improve your thinking and writing ability you should read books that make you focus.可知作者想说的是要读一些有挑战的书。选B
小题4:这段的句子：You’ll be most rejuvenated if you go to bed early and don’t sleep more than 8 hours.可知是要早睡早起。选A
小题5:关键句是Spending some time alone in reflection gives you a chance to organize your thoughts and prioritize your responsibilities.选E
点评：这篇文章要求给每个段落找主题句，先浏览各个选项做到心中有数，在阅读时，抓住每个段落的主旨，还要注意关键句。和选项进行一一配对。