Animals are natural resources that people have wasted all through our history. Animals have been killed for their fur and feathers, for food, for sport, and simply because they were in the way. Thousands of kinds of animals have disappeared from the earth forever. It's a great pity. It is reported that about 170 kinds in the United States alone are considered in danger.

    Therefore, we must take care of the animals around us. Once they are gone, they will never come back again. Animals are more than just beautiful or interesting. They are more than a source of food. Every animal has its importance to nature. Destroying one kind of animal can cause many problems. For example, when farmers kill large numbers of hawks(鹰), their eat rats and mice, with fewer or no hawks to keep down their numbers, rats and mice multiply quickly.

    Luckily, many people have realized this and have begun to do something to protect animals. Some groups put on performances to make people know the importance of protecting animals. Some raise money to help set up more zoos to keep them safe. Some try to get the government to pass laws on protecting the animals in danger. As a result, the number of these animals is growing.

    Information Card

    Fun or kind? Old or young? Let's see what these students say about their favourite teachers?

Zhao Dan

    My favorite teachers are learned(博学)teachers because they can make their lessons easy and interesting. And in class, after learning what is in the book, we hope to learn more.

Wang Jianing

    My geography teacher Mr. Todd is kind to students. His class is interesting. All of the students want to learn and do their homework.

Wang Peng

    We boys and girls often have questions. We really want to talk about these questions with teachers and make friends with them. I don't like old teachers because they can't understand(理解)us!

Lu Hongfei

    Ms. Li is my English teacher. She always wears purple clothes. It is her favorite color. She often teaches us to sing English songs.

Dear Li Hua,

    Thanks for your last letter. In your letter you talked about your problems on English study. Here are some tips on learning English for you.

    Read a book, newspaper or magazine in English with a dictionary. This will help you learn new words in a fun way. Even by spending just 15 minutes a day, your skills can be improved greatly.

    Listen to speeches and watch movies or documentaries in areas you aren't familiar with. They are fun tips on improving English. This activity will help improve listening and vocabulary at the same time.

    Know English grammar inside and out. It is one of the top tips on learning English. Grammar is a basic tool for English learners. It can help you understand better.

    Keep a diary. It allows you to use all of your English skills. This is one of the greatest tips on improving English at any stage of learning the language.

    All in all, learning English is hard, but with these tips on learning English, I believe you will get better at English.

Yours,

Lisa

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    If you dropped a piece of fruit on your computer keyboard, would you think about eating it again? What if you dropped it in the toilet? Bacteria can live everywhere, even in some unexpected places.

    If you eat at your computer, sneeze on your keyboard, or sit down to surf the Internet without first washing your hands, your computer keyboard could be bad for your health. According to the US National Research Centre, the average computer carries 400 times more bacteria than a toilet bowl does.

    Could one of the dirtiest things in your home be right in your hand? Yes: the TV remote control. It gets dropped on the floor, put on the sofa and everyone in the house holds it. Scientists found that about half of the tested remote controls carry the cold virus.

    Don't forget your toothbrush. Do you put it in the bathroom? Studies show that flushing the toilet releases bacteria in the air. Bacteria can remain in the air for at least two hours. They may pollute your toothbrush. You can find ways to solve this problem. Try to keep your toothbrush far from the toilet. Make sure that it is in an upright position after each use. It's also important to change your toothbrush every three months.

    Here are some other places to watch out for:

    At home

    The kitchen is one of the places with the most bacteria—more than the bathroom. Dishcloths and kitchen sponges are great places for bacteria since they are always wet after being used. Try to make them dry.

    At school

    When you put your schoolbags on the floor or in the bus, many bacteria can live on the bottom of it. Try to clean your schoolbag often.

    In public places

    Escalator handrails, shopping cart handles, public books and magazines are top bacteria carriers. That's why the first thing to do when getting home is to wash your hands.

    Yes, bacteria are everywhere. But don't be too afraid to touch those things. Most of bacteria are harmless. Just remember to wash your hands regularly. It is the most useful way to protect yourself from bacteria and viruses.

    Answer the following questions with no more than 6 words.