If you use it often and in the right ways, you will become a more skilled thinker and your ability to focus will increase. But if you never use your brain, or abuse it with harmful chemicals, your ability to think and learn will decrease. Here are some simple ways that may help you.
      
Don’t you feel drained(劳累) after a couple of hours of watching TV? Your eyes are sore and tired of being focused on the light box for so long. 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.         It improves productivity(生产力) during the time afterwards. Using your body clears your head and creates a wave of energy. Afterwards, you can concentrate(专注) more easily.
Read challenging books.
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 elegant English.        Re-read it when necessary, and you’ll soon grow accustomed(习惯) to the author’s style.
Early to bed, early to rise.
       You’ll be the most energetic if you go to bed early and don’t sleep for more than 8 hours. In my experience the early morning hours are the most productive. If you have the opportunity, take a 10-20 minute nap(小憩) when you are hit with a wave of drowsiness(睡意).

A．Take a time to reflect.

B．Reduce television watching.

C．Spending some time alone will be helpful.

D．Your brain needs exercise just like a muscle (肌肉).

E. Don’t be afraid to look up a word if you don’t know it.
F. Nothing makes it harder to concentrate than sleep loss.
G. But I realized that time spent exercising always leads to greater learning.

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