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1、The consumer Society or the Wasteful Society,Unit 20,1.Vocabularies related to food,waste,and recycling2.Past participle 3.Zero conditional;4.Model verbs can and must 5.Listening comprehension,Vocabulary related to food,waste and recycling Fast food Junk food Ready-made foodA take-awayConvenience fo
2、od,The past participle as attributive clause 过去分词作定语如是单词，常置于所修饰词的名词之前，相当于形容词，常含有被动的含义。过去分词短语用作定词时，一般置于其所修饰的名词之后，相当于一个被动形式的定语从句。,Thirty per cent of meals consumed by families in the USA are eaten at one of the big chains.Thirty per cent of meals which/that are consumed by families in the USA are eate
3、n at one of the big chains.The tower destroyed in the earthquake has been rebuilt.The tower which was destroyed in the earthquake.,Most of the people invited to the party were her friends at college.Most of people who were/had been invited to the party.Do you know the number of people employed by th
4、e company?Do you know the number of people who are/have been employed by this company?The man killed was destroyed in the crash was a spy.(=who was killed in the crash),分词作状语：The lecture was interesting.I was interested in the lecture.The party was boring.I left because I felt bored.It was an exciti
5、ng film.I felt excited when I watched the film.The explanation was confusing.I got confused.,分词的悬垂结构As they were utterly exhausted,they could hardly put one foot before the other.If it is cooked in the Italian way,the fish will taste fine.,When he was stopped by the guard,he produced his identificat
6、ion card.从句的主语要与主句保持一致。Sometimes a past participle can be preceded by such conjunctions as when,if,unless,as if,etc.When used in this way,the past participle is like an adverb.If permitted,he will participate in the expedition.,Dont leave the building unless instructed to do so.He looked as if great
7、ly wronged.,过去分词作状语：The past participle can be used as adverbial modifier describing the predicate of a sentence indicatingA.manner B.cause C.conditionD.time,A.manner They stared at each other,puzzled,troubled.The children headed to school,carrying slates and followed by their dogs.Billy had been as
8、leep,huddled in his clothes.,B.cause Fascinated by rhythmic movement of the lamp,Galileo began to count its oscillations.Utterly exhausted,they could hardly put one foot before the other.C.conditionGiven time,she will make a good swimmer.Cooked in the Italian way,the fish will taste fine.,C.conditio
9、n Given time,she will make a good swimmer.Cooked in the Italian way,the fish will taste fine.,D.time Asked who she was,she would reply.“A person who is to help.”Stopped by the guard,he produced his identification card.分词的悬垂结构As they were utterly exhausted,they could hardly put one foot before the ot
10、her.If it is cooked in the Italian way,the fish will taste fine.,When he was stopped by the guard,he produced his identification card.从句的主语要与主句保持一致。Sometimes a past participle can be preceded by such conjunctions as when,if,unless,as if,etc.When used in this way,the past participle is like an adverb
11、.If permitted,he will participate in the expedition.,Language focusThe Passive Voice of Model verbs Can/could;may/might;must/have to/had to 构在形式：model verbs+be+P.P The sentence can be translated into Chinese.All CFC coolants must be removed from fridges.CFC coolants must not be left.Must CFC coolant
12、s be removed from fridges?,Focus on the language points:1.Chain 2.Red Bean Sunday3.Think global,act local 4.Deal with 5.Update to the latest model6.Suffer from7.Get rid of 8.Electric goods 9.Do with,Listening comprehension Activity 7(P 27)Activity 8(P 27)Activity 10(P 30)Activity 15(P 34)Activity 17(P 35)Take the tapescript as reference(p273),
