Mr. Tanaka is a teacher in a city of Japan. He usually visits many countries during his holidays. He speaks English very well. Then he wants to learn Chinese and goes to China. So he goes to evening classes and has Chinese lessons. He studies very hard.

    He has a lot of friends. They often talk with each other and help each other. He often tells his friends that he does not have any trouble with Chinese but the Chinese have a lot.

    Everyone knows that exercise is important. We all need to exercise. There are many ways to exercise. You can walk, run, swim, skate, or play ball games, but you should remember to exercise in the right ways.

        ①    Before you do any exercise, make sure to warm up for at least five minutes. During warming up, you should extend all parts of your body.

        ②      It's best to exercise twice each week. Thirty minutes each time is enough. Try all kinds of things until you find one, two or even three sports that feel right for you.

        ③    There are a lot of equipments (设备) at fitness centers. The equipments will help exercise your arms, legs and other parts of your body to make you fit. Some people buy equipments for their homes. But it is very expensive.

        ④     If you get hurt when you are doing exercise, don't play again until you are well.

    Mrs. Luo is a teacher from Shaoyang. She asked her students to hand in their homework through a QR code(二维码). "⑴When students finish the homework, they keep it on Wechat. So I can check their homework everywhere using my computer or mobile phone." said Luo.

    ⑵大多数学生喜欢这种新方式，认为它有趣. "We are living in the information age. Many students like to work with computers, which makes learning more fun." said Tingting, a student of Luo's.

    "The paper is not easy to keep, but the code is easy to keep and share," Luo said, "It is worth trying to use new technology in education. Education itself is a kind of creation. ⑶I don't want my students to fall behind the times."

    ⑷然而，一些父母有担忧. They are afraid that their children will spend too much time on computers and less time communicating with teachers. But in fact, it is unnecessary. Students still need to look up information in books and write it down when they do their homework. They only use the code when they hand in their work, which doesn't take them too much time. ⑸As for teachers, it allows them to check the students' work at any time. And it is also an easy way to share homework with other students.

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    Teenagers today know about computers and are familiar with using them. We did a survey among 60 young people between 13 and 19 in order to find out what they use computers to do.

    All the young people questioned say that they regularly use computers to play games. Twenty-eight of them do some word processing(文字处理)at home, but not very much. Only ten of them say that they look for useful information for their studies online. And sixteen of them listen to music and watch movies on their computers. Only two of them say they use computers as calculators. And six of them use computers to learn programming(编程).

   Home computer use by teenagers

{#blank#}1{#/blank#}⑴Listen to music and watch movies on computers

{#blank#}2{#/blank#}⑵Use computers to learn programming

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{#blank#}4{#/blank#}⑷Look for useful information for studies online

{#blank#}5{#/blank#}⑸Use computers to do some word processing

    Waste sorting(垃圾分类) is a big matter worldwide. In order to sort the rubbish properly and protect the environment, people in different countries are using different methods to sort their waste.

    UK A UK company invented a "smart bin" to help with waste sorting. People just need to drop their waste into the bin(垃圾箱). A camera and sensors(感应器) in the bin can tell what type of rubbish it is and correctly sort it. The bin also compresses(压缩) the waste so it takes up less space.

South Korea South Korea is using a method called "Pay For Your Waste" to encourage its people to reduce food waste. When throwing away rubbish, people have to separate their food waste from their other rubbish and put it in a bin. The smart bin then weighs the food. People have to pay for their food waste by scanning(扫描) a barcode(条形码) on the bin. If they throw away more rubbish, they will pay more.

    Japan Japan is leading the world in waste sorting. They sort waste so carefully that even plastic bottles and their caps go into different bins. Different types of paper products have their own bins.

    China China is improving its waste sorting efforts. Shanghai has worked with Alipay to create a "green account(账户)"service for its residents(居民). The city is asking all of its residents to sort their waste into four groups: wet, recyclable, harmful and dry.