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　　Project English Grade Eight
　　Unit 4 Our World
　　Topic 2   Section A
　　Teaching aims and demands:
　　1. Master new words and some phrases
　　2. Learn and master the sentence pattern of “I’m sure…./ I’m not sure…….”
　　3. Learn to talt the advantage and disadvantage of the Robot .
　　4. Teaching importance: Master the structure of the introduction of an invention
　　Teaching difficulty: Master how to introduce an invention
　　Teaching aids: tape recorder, multi-media computer, picture
　　Teaching steps:
　　Step 1 Revision
　　1. Review the words and some phrases.
　　2. Talt four inventions we have learned.
　　Step 2 Lead in
　　Show a picture of Robot and talt it.
　　---What can Robots do ?  They can save people in danger .
　　---Are sure they can save people in danger ?
　　---Yes , I’m sure . / NO, I’m not sure .
　　………
　　Step 3 Listening
　　1. Listen to 2 and number the pictures. Check the answer.
　　2. Listen to 1a and answer the questions.
　　1) Where did Kangkang go to the Science Center ?
　　2) When did scientists invent the first robot ?
　　3) Are you sure robots can do some work faster and better than humans ?
　　3. Useful expressions and key points.
　　4. Do some exercises.
　　Step 4 Writing
　　1. Show the structure of the introduction of an invention. Talt the advantages and disadvantages of robots in 1a  in Page 85 and 3 in page
　　The structure is:
　　Title:                  
　　Beginning
　　Body
　　Advantages
　　Disadvantages
　　Ending
　　Say something about the robot according to the structure, not including the ending.
　　Step 5 Reading
　　1. Read and do 1b, then check the answer.
　　2. Answer some questions:
　　The questions are:
　　1.Do you think that robots will be part of our lives in the future?
　　2.Can you guess what the robots will do for us at home?
　　3.If possible, what kind of robots do want to invent, the ones that are our servants, the ones that are our friends or the ones that our masters ? Why?
　　4. Discuss the ending.( After talking about the questions, they may think of the ending more easily.)
　　Step 6 Sum up