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湖北省鄂州市2020年中考英语试题

作者UID:9673734
日期: 2024-11-27
中考真卷
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    He has millions of students from all over the world. They listen to his classes online. They 1see his face on the screen. Salman Khan, 42, from the US, is the founder (创始人) of the learning website Khan Academy.

    Unlike other online courses that film teachers2classes, Khan's videos only use his voice and a digital blackboard for writing. He says he doesn't want a human face to distract (使分心) students. Khan also makes his classes310 to 15 minutes so that students won't lose interest. They can also get scores from taking classes.

    The courses are translated into more than 36 different languages4Chinese. About 80 teachers from the world's top universities are now also teaching on the website. But all this started nine years ago with just one man-Khan. These kinds of special courses make Khan Academy one of the world's 5 online education websites.

    In 2006, Khan made homemade videos to help his6grade cousin with math. He posted the videos online and got thousands of views. This encouraged him to make more videos and create his own website Khan Academy.

    Khan understands that many kids, especially those in developing countries, cannot get a good education. He has three degrees from universities. He wants to use his7to help more people. Thus, his courses are all offered for free. "Our task is to8a free, world-class education for anyone, anywhere," he said.

    Khan's website has9become very popular worldwide but won a lot of respect (尊重). Even Bill Gates, the founder of Micros of, is one of his fans. Gates10over $1.5 million to support Khan and named him "the teacher to the world".

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    When you think of the Arctic (北极), you imagine an icy land of pure white snow. Others imagine it as the last really clean place left on earth. We have polluted the deepest oceans with plastic rubbish. "And now", CNN says, "It's the Arctic's turn."

    German scientists have recently found microplastics in Arctic snow. Microplastics are pieces of plastic smaller than 5 millimeters. Sadly, the scientists found 1800 pieces of microplastics per liter of (每升) snow.

    How is plastic pollution reaching the Arctic? According to scientists, "It's clear that most of the microplastics in the snow come from the air." They fall off the plastic objects and are moved by the wind, just like dust. They mix with ice in the air and fall to the ground as snow. Finding these plastics in Arctic snow means that we may breathe them in.

    Are they bad for us? Scientists cannot answer this question for now, according to the WHO. We do know that our bodies cannot take in "large" pieces of microplastics. However, if the plastics are small enough, they can find ways into our bodies and stay there for a long time, which can be bad for our health. What's more, earlier studies have shown that microplastics may contribute to lung cancer risk.

    Microplastics have also been found in rivers and oceans around the world. Earlier research has found that they flow over long distances and into our oceans, hurting ecosystems along the way. They start in our wastewater, then flow into rivers and out to the sea, where they are eaten by sea animals. If people then eat these animals, it means that we're eating the plastic as well.

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    If you're having a hard time getting along with your new teacher, going to class can be a bad time. But you really want to get good grades, what should you do? Here are some suggestions for you.

    Talk to your teacher. A short discussion can clear up the clouds between two persons. Always be polite and show admiration. Express yourself bravely and show the ideas from your heart.

    Ask your teacher how you can do well in class. Teachers have years of education and experience in the subjects they teach. Learning more about this fact helps make a good relationship between you and your teacher. Discussing the best ways to succeed in class shows your teacher you care about the class.

    Learn to understand his teaching method. Sometimes, the reason why you don't like your teacher is the way he runs the classroom. If you're used to a very relaxing class, learning to develop in a strict environment is difficult. In fact, giving yourself time to accept this new style of teaching is possible.

    Take part in activities with your teacher. Studies show that teachers would like to pay attention to you, if they feel you have something in common. Joining a club or taking part in other activities with your teacher creates common ground between you. And it makes you get on better with him in class more easily.

How to your teacher

 

Suggestions

Talk to your teacher.

Always be polite and your teacher.

Express yourself bravely and show the ideas from your heart.

 

Ask your teacher how in class.

Learn more about the education and experience of the teacher.

Show your teacher you care about the class.

 

Learn to understand his teaching method.

Know different teachers have different styles.

It's possible yourself time to accept this new style of teaching.

 

Take part in activities with your teacher.

Make the teacher feel you have something . Join a club or take part in other activities.

 
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