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ult points: ★ the passive voice of present tense S + be(am/is/are) + done eg. It is made from wheat. 四、 Teaching Aids: 1. a tape recorder 2. the blackboard 3. a puter with PowerPoint 五、 the first period(for one class) 六、 Teaching steps Step1: Review Step2: Learn the new words. Step3: Do you know how to fl y a kite? What are kites made of? Write down some materials used in making kites. ____________