Is it difficult for you to remember things? I`d like to tell you some ways to improve your memory, so you shouldn't feel upset.

  My first advice is that if you want to remember something well, you have to review it regularly(有规律地). You might review the material two days after you learn it, then a week later, then two weeks later, and then a month later. After a month you will find that you can easily remember the material.

My second advice is to use a colored pen to highlight （标注）the important parts on your book. This will help you in two days. First, it will help you pay attention to the most important parts when you learn the language. It is always easier to remember only the key points. Second, this will make reviewing easier. When you open your book, the colored parts will show you the most important things quickly. In this way, you don't have to review all the material again.

  Another piece of advice is to use the proper time well. First, review all the information in your mind right before you go to sleep. Your brain is working while you are sleeping. If you think about the information before you go to sleep, you might be able to remember it better. Another good time for memorizing information is in the morning because you have just rested and your brain is fresh and clear. So you might also try to review the important information in the morning.

     Life today has brought new problems. One of the biggest is pollution. Noise pollution makes us talk more loudly and become angry more easily. Water pollution makes our rivers and lakes very dirty. Air pollution is the most serious kind of pollution. Both water pollution and air pollution are not only dangerous to our health, but also dangerous to animals and plants.

     Many countries are making new laws to fight pollution. Factories must now clean their water before they throw it away. They can not let out dirty smoke into the air, either. More and more cars are now using a new kind of fuel(燃料) which does not pollute the air.

     Laws are not enough. We must all help. We can use paper bags, not plastic ones. We can keep old cans and plant flowers in them. Everybody must help to fight pollution because we can keep our country clean.

Information Card

    Do some colours make you feel calm while others give you energy? Scientists have studied the connection between colours and mood for a long time. Many believe that colour can influence our moods.

    Warm, bright colours such as yellow and red are positive colours. They can give people a pleasant feeling. Cool colours such as blue, purple, and green are relaxing colours. They help people experience calm feelings.

    Many public places are decorated with certain colours in order to create certain moods. Orange makes people feel hungry, and many restaurants are painted this colour.

    People use colour in their homes to create moods as well. Blue is a peaceful colour. It helps you rest, so it is a very good colour for a bedroom.

    Colours can create bad moods too. Some types of blue make people feel sad. Red can make people feel angry.

    What is your mood right now? Now look at the colour of the walls round you. Does it match your mood?

    Some people seem to have unusual memories. Zheng Aiqiang, a "memory athlete" on TV show Super Brain, can remember 2,660 numbers in just one hour!

    You would think people like him must have special brains. But according to a recent study by researchers from America and Holland, the brain structure (结构) of ordinary people and 23 of the world's leading memory athletes shows no difference.

    Good memories can be trained. New research in the magazine Neuron suggests that a person will get a super memory with just six weeks of hard training.

    Researchers found that a technique (技巧) called loci, invented by the ancient Greeks, can greatly help improve memory.

    By using loci, you are using your imagination to improve the brain's memory networks. You can link (关联) something you need to remember with a place that you know very well. For example, to remember a list of numbers, imagine yourself walking through your house. Each thing is linked to a number. For example, zero could be the handle on the door and five could be the painting on the wall.

    In one study, some ordinary people were given 20 minutes to remember 72 nouns. At the beginning, they could only remember 26 words, but when they were taught loci, they could remember 62 words.

    "Not everyone can become a memory winner. But everyone using the technique can improve his memory greatly," said Boris Konrad, one of the researchers in the study.

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   The Greens are ready for a dancing party. Mr. Green wears a white shirt and black pants. He looks handsome(英俊的). Mrs. Green is quite pretty today. She wears a white blouse and a blue skirt. What about Gina? She looks beautiful, too. Her T-shirt goes well with her skirt. Her T-shirt is light blue and her skirt is blue. She really likes blue. Gina's brother Tom wears a yellow T-shirt and blue pants. He also wears a hat. He looks cute.