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　　1.   ½ÌѧĿ±ê
　　Knowledge Aims
　　Learn something about some famous scientists in the world.
　　Know about the outstanding discoveries, inventions and theories from some well-known scientists.
　　Try to understand and learn the important words and expressions.
　　Ability Aims
　　Develop the students¡¯ ability of speaking.
　　Encourage the students to give more information about the great scientists.
　　Emotional Aims
　　Encourage the students to learn more about the great scientists and learn from them.
　　Help the students to form the good habit in learning and encourage the students to take part in social practice.
　　Help the students to realize that it is scientific spirit that makes those scientists successful.
　　Encourage the students to develop their love for science.
　　2.   ½ÌѧÖصã/Äѵã
　　the first period of this unit.
　　Words and expressions in this unit
　　previous knowledge of some of the famous scientists
　　Have the students discuss great scientists.
　　3.   ½ÌѧÓþß
　　4.   ±êÇ©
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　　Ò»¡¢Words¡¡¡¡ Definitions or explanations
　　A.examine 1.general principles of an art or science
　　B.repeat 2.say or do again
　　C.theory 3.at once; without delay
　　D.immediate     4.look at...carefully in order to learn about or from...
　　E.complete 5.of great value, worth or use
　　F.valuable 6.having all its parts; whole; finished
　　G.announce 7.make known
　　H.control 8.come or bring to an end
　　I.positive 9.power to order or direct
　　J.conclude 10.quite certain or sure
　　¶þ¡¢
　　1.¡°All roads lead to Rome, ¡±he encouraged me after I failed the entrance examination.
　　2.This sentence doesn¡¯t make any sense.
　　3.Our English teacher is not only strict with us but also friendly to us.
　　4.He is good-looking, apart from his nose.
　　5.It is announced that the spacecraft, Shenzhou ¢ö, landed on the earth successfully.