单元整体教案NSEFCII-U02(The first period)

概要： broadcasting station miles and miles away. We know that words and music themselves haven’t traveled all that distance through space, but something certainly is bringing the program from the station. What is this silent carrier? The answer is radio waves. We can not see radio waves or feel them or even hear them. In fact, nobody knows exactly what they are. But we do know that they are made by electri

单元整体教案NSEFCII-U02(The first period),标签：高二英语教案大全,http://www.88haoxue.com
            broadcasting station miles and miles away. We know that words and
            music themselves haven’t traveled all that distance through space,
            but something certainly is bringing the program from the station.
            What is this silent carrier?
                The answer is radio waves. We can not see radio waves or feel
            them or even hear them. In fact, nobody knows exactly what they are.
            But we do know that they are made by electricity, and we have
            learned how to use them.
            At the broadcasting station people talk or sing, instruments (乐器)
            play, doors slam(砰) ,and all of these make sound waves. The sound
            waves reach the microphone, and here they are changed into
            electricity. Then from a tall tower called the broadcasting aerial
            (天线) ,electricity sends radio waves. The waves travel in every
            direction, and some of them reach our radio aerial. Now a wonderful
            thing happens. The radio waves start an electricity current (电流) in
            our aerial like the one that was first made in the broadcasting
            station. Finally, the loudspeaker in our set changes electricity

《单元整体教案NSEFCII-U02(The first period)(第2页)》出自：www.88haoxue.com网
www.88haoxue.com             into sound, and we hear the program.
            The First Period
            Teaching Aims:
            1. Learn and master the following words and phrases:
              media, reliable, fire, face, difficulty, elect, go up, burn down,
            injure
            2. Practise expressing opinion using the following:
              What do you think of…?
              What's your opinion?
              Why do you choose…?
              Perhaps…is more important.
              I would rather choose.…
              I don't think we should choose…
               Maybe it would be better to choose…
              Our readers want to know about…
            3. Talk about news and the media.
            4. Train the students' listening and speaking abilities.
            Teaching Important Points:
            1. Master the useful words and expressions appearing in this period.
            2. Train the students' listening and speaking abilities by talking
            about news and the media.
            Teaching Difficult Points:
            1. How to help the students understand the listening material

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