约31500字。

　　精品教案：Unit 1 Making a difference
　　Teaching Goals:
　　1. Talt science and Scientists
　　2. Learn more about the Infinitive
　　3. Practise describing people and debating
　　Teaching Time: 6 periods
　　The First Period
　　Teaching Aims:
　　1. Learn and master the following words:
　　Inspiration, perspiration, undertake, analysis, obvious, within, quote
　　2. Talt science and scientists.
　　3. Listen to the description of some scientists.
　　4. Do some speaking, describing people and debating.
　　Teaching Important Points:
　　1. Train the students’ listening ability by listening practice.
　　2. Train the students’ speaking ability by talking about science and scientists, describing people and debating.
　　Teaching Difficult Points:
　　1. How to improve the students’ listening ability.
　　2. How to help students finish the task of speaking.
　　Teaching Methods:
　　1. Warming up to arouse the students’ interest in science.
　　2. Listening-and-answering activity to help the students go through the listening material.
　　3. Individual, pair or group work to make every student work in class.
　　Teaching Aids: 1. a multimedia 2.a tape recorder 3.the blackboard
　　Teaching Procedures:
　　Step I Warming up
　　1.T: There are many outstanding scientists in the world, who made great contributions to society and science. Now look at the pictures on page 1, tell me  what are these scientists famous for?
　　(Bb) Scientists                Contributions
　　Maria Curie                   Radium /Polonium
　　Albert Einstein                The Theory of Relativity
　　…
　　2.T: Well done. I thin are all interested in science and scientists. What do you think maccessful scientist? Have a discussion in pairs or groups of f