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题型:任务型阅读-信息摘录 难度:0.4 引用次数:44 题号:22886889

Our brain is the most important part in our body. It helps us to think, speak, feel, and move. It’s no wonder we need to look after it and just like the rest of our body. We need to keep it exercised to keep it healthy.

Our brain is made up of 86 billion neurons—or nerve cells (神经元), but as we age, some of these gradually die off. In serious situations, nerve cells in different areas of the brain become hurt and finally die, leading to a condition called dementia (痴呆), which influences a person’s ability to think properly.

It’s a good idea to train our brain by learning ways to increase our memory and intelligence. For example, solving crossword puzzles (字迹) can be really helpful. Dr Catherine Loveday, who’s a neuropsychologist, thinks learning a second language is also great for the brain, as it requires us to switch (切换) between languages, making our brain stronger.

However, if you don’t speak another language, there are still ways to train your brain. If you’re right-handed, try performing tasks like brushing your teeth with your left hand to improve your brain.

The main reason we do these exercises is to keep our brain active. It can help to develop additional abilities to help protect the brain against the loss of memory or thinking. Dr Catherine Loveday, says, “Even if people take up languages or other activities later in life, it will provide them with a degree of protection.” As an old saying goes, “It’s never too old to learn.”

According to a study, people are surprised to know about that eating chocolate might increase our ability to get and use knowledge. It could improve how you learn and use information. Although it might not be good for the rest of your body, at least it could make you a brain box!

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文章大意:本文介绍了关于我们身体中骨头的内容,并具体介绍了我们身体中最长的骨头和最小的骨头。
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Do you know how many bones(骨头)are there in your body? When you were a baby you had about 330 bones, and now you have just over 200 bones. Because some bones join together as you grow.

The longest and strongest bone in your body is in your leg. It is strong and it carries your weight. It is also a very important bone because it helps you move. Would you believe there is a special bone called stirrup(镫骨)in your ear? Because it’s the smallest bone in your body. The bone allows the sound waves(声波)to reach your brain, then you hear the sound. Hah! The funny bone isn’t really a bone at all. It is actually a nerve(神经). That bone is called the humerus(肱骨), which sounds like the word “humorous”, meaning “funny”.

These amazing and wonderful bones not only make up our bodies, help us grow, but also allow us to move, so take care of your bones.

1. What happens to some bones as you grow?
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It is said that the eyes are the windows of our soul. However, you have to look after them carefully. Your eyes need everyday care.

Firstly, you have to be careful with your diet. Have more fresh fruits, vegetable, fish, egg and milk. It’ s good for your eyes. You should also take some Vitamins (维生素) A and B2.

Secondly, you must have a regular (规律的) and sound sleep. It relaxes the eye muscles (肌肉) and gives them the rest. Sleep can help the body to repair its tired tissues (组织). Usually, you must sleep for at least seven to eight hours every day. Loss of sleep can give you dark circles under the eyes.

Next, it’s necessary for you to exercise eyes every day. Blink (眨眼) your eyes at regular time, and it can give the eyeballs a good wash.

Lastly, you should use your eyes in right ways. Fox example, if a small thing goes into your eye, you start rubbing (揉) it, it is wrong. Rubbing is harmful to your eyes. Don’t read or write in poor or bright sunlight because sunlight can make eye tired. Remember to use sunglasses to stop the sunshine from shining directly (直接) into your eyes. Too much reading, writing, watching television or working on the computer can also cause eye tiredness (疲劳), so you should get relaxed.

If you always take care of God’s most beautiful gift, your will be very colorful!

The w    1     to keep your eyes healthy

Diet

Eating food, such as fresh fruits and vegetables. It’s     2     for your eyes.
T    3     some Vitamins A and B2.

    4    

Having a regular and sound sleep is a must.
Getting at least seven     5     sleep is necessary.

Eye     6    

Exercising your eyes every day.
Blinking your eyes at regular periods can     7     your eyeballs.
It’s     8     to rub it when something goes into your eye.

Eye using

Remember to to use sunglasses to keep your eyes     9     shining directly.
You should     10     after reading, writing, watching TV or working on the computer.

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You must think a computer is the best thing in the world, right? You must think it works at a super speed and can do everything? Well, it's not! In fact, the brain is much more powerful than any super computer! Think about when a glass is just about to fall off the table. Your brain controls everything that you need to do to save that glass from falling. First your eyes check out what's going on, then tell your brain, `and your brain decides how quickly you need to react, and then your muscles go into action. This is just from your brain. No computer could ever come close to that!

The brain weighs just 3 pounds; but is controls everything you do from thinking, learning, feeling even to breathing and your heart beating. Even though the brain is just 2% of your body weight, it uses around 20% of all your energy in your body. That is a lot for such a small organ (器官),There are about 100 billion tiny, tiny little cells(细胞)in your brain. There are so many that it would take you over 3,000 years to count them all!

Your brain stops growing when you're -18, but it actually keeps on developing and learning new things. So your parents are really super smart! You' won't be able to fool them! Believe it or not, your brain NEVER stops working. Even during sleep,the brain works for long-term memory establishment(建立). It is realized that the brain is the second organ in the body as the heart that never stops during human live.

So everyone should be proud of such a gift of nature.

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3. How much does the brain weigh?
4. What does the underlined word "That" refer to in Paragraph 2?
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