I. Brief Statements Based on the Unit
            The activities of this unit, including Warming-up, Listening,
            Speaking, Reading and Writing, center on the subject－news and the
            media, which are connected with our life closely. It provides the
            students an opportunity to learn the language in using it.
            By talking about news and the media, the students get more knowledge
            about them－not only know about the important parts they play in
            learning about the world, but also the ways they are written and
            made. The students must be very interested in this subject. This
            way, they can learn the language points easily and freely. They will
            not only learn some useful words and phrases about news and the
            media, but also learn to express opinions.
            Besides, the study of the Grammar－the Past Participle can help the
            students use the language more exactly. By finishing each task
            provided in the textbook and the workbook,  the students' skills to
            use language can be well developed.
            Ⅱ. Teaching Goals
             1. Talk about news and the media.
             2. Practise expressing opinions.
            3. Learn about the Past Participle (1): used as Attribute and
            Predicative.
            4. Write a comparison paragraph.
             Ⅲ. Teaching Time: Four periods
            IV. Background Information
            1. RADIO
            In ancient times the only way that men could send messages from
            village to village was on foot. When men learned to use the horse,
            communication became much quicker. However, compared to the modern
            world communication was still quite slow. Many parts of the world
            had no knowledge of events in other places. Later, the post was
            introduced and horse riders carried letters. This meant that
            communication was further improved. Horses drawn coaches could move 
            people from town to town in quite a comfortable way. At the
            beginning of the last century the steam train was invented and for
            the first time really fast communication became possible. Not only
            could letters be sent easily from one part of a country to another,
            but travel was made easy, too. At about the same time, steam ships
            helped communication between countries.
            The invention of the telegraph in the middle of the last century
            further increased the speed at which messages could be sent. In this
            system electrical signals, in code, are sent along metal wires.
            These signals travel so fast that they could go nearly eight times
            round the world in one second. A special device is needed to send
            the code. At the other end another device is used in order to
            receive the code. By this method messages can be sent over distances
            of several hundred kilometres. With the invention of the telephone
            the human voice could be sent over long distances. Because of t

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