Read the passage and fill in the blanks with proper words. (14分)

         You know that eating a sensible diet and getting plenty of exercise help make your body healthy and strong. But do you know that there are ways to make your brain healthier and smarter? Here are seven steps toward a smarter brain.

Limit your TV viewing

Never spend too much time on TV viewing, for it n__1.__ very little brain activities. Your brain will become weak just as your muscles do. If you do watch TV, choose something educational and meaningful.

Travel

Travelling to a____2.__ country forces you to see and do things in a fresh way, bringing stimulation to the brain. Learn a new language

Learning a new language involves different learning methods. Learning a language sharpens your brain and helps prevent memory p___3.___ that you may meet in later years.

Read often

As you read, take the time to look up people or places that aren’t familiar. Reading makes your vocabulary much l___4.__ if you always search for words and definitions that you don’t know. Each week, choose an animal, a bird or fish, and read everything you can about it. Stretch your brain as you become an expert on the subject.

Calculate w_____5.___ you shop

As you put things in your grocery cart, total everything in your head. See how close you get to the actual total.

Use your non-dominant(不占优势的)hand

If you are right-handed, use your left hand for everyday activities, or use your right hand if you are left-handed. Doing familiar things in a different way will make your brain c____6.__ new neural (神经)networks.

Wechat(微信)!

Read messages from people who has different interests. And some say that learning to express y____7.___ in just 100 words is a great brain challenge.

Have a try and do these every day. Little by little you can get into the habit of challenging your brain, and make your brain smarter!

 

缺词填空

In most situations, light helps us see. But nowadays humans are using so much that it is in fact a kind of pollution.

When it comes to looking at the night sky, too much light makes it d  1.  for us to watch some of life’s most wonderful views: stars, p  2.  and even galaxies(星系).

According to scientific research, about 2, 500 stars can be seen by the human eye without u  3.  any special equipment(设备). But because of light pollution, you can only see 200 to 300 stars from today’s countryside, and no more than ten stars from a city. In most big c  4., people cannot see the sky filled with stars like they did in their childhood.

Light pollution affects more than just our view of sky. Research s  5.  that lots of nighttime light can harm wildlife, too.

When birds fly to a  6.  place over cities, they sometimes get lost by the brightness and fly in circles(圈) u  7. they drop from tiredness. Sea turtles need dark beaches for laying eggs, but they can’t find their ideal places because of those bright lights.

Too much light at night m  8.  even affect human health, but scientists are not sure of that. They are still learning more.

In order to prevent things from going w  9., governments and some organizations are working to reduce light pollution. Many cities and towns have taken action to reduce the use of lights at night. Lights are used only when and where they are r  10.  needed.

Hopefully, in the near future, humans can enjoy the clear and beautiful sky again and all the wildlife will live a peaceful and undisturbed life, too.

 

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