约920字。
　　Unit 1 The world of our sense
　　Word power---教案
　　Teaching aims:1. Enlarge students’vocabulary
　　2. Let students know more about weather.
　　Teaching important points:
　　Remember these words and try to use them freely.
　　Teaching procedures：
　　Step1. Lead in
　　Write down the following sentences on the blackboard or screen.
　　1.Once out in the street, she walickly towards her usual bus stop.
　　2.‘Here we are, King Street.’he stopped.
　　Then ask Ss which word is used twice besides the noun street in the two sentences.
　　In the first sentence,STOP is a noun, whieans “a place at whieone or something stops”, in the second sentence,stop is a verb, whieans “to put an end to what one is doing”.
　　Step2 show more examples
　　1.Read the story fog and find more words that can be used both as a noun and a verb.
　　2.Explain the meanings of these words when they are used as different part of speech.
　　1. “Polly leaves work early.”
　　“Polly works very hard.”
　　2. “She sensed she was being followed.”
　　people have five senses.
　　3. “polly felt a rough hand brush her face ...”
　　“He was painting the wall with a brush”
　　4. “Maybe I can help you.which road do you want?”he asked.
　　“it gives me the chance to pay back the help that people give me ”