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S2:The second answer is “encouraging”,I think. S3:I’ll try the third sentence.I think “dress” and “undress” should be filled in. S4:The fourth.It is the word “selfishness” that is suitable for this sentence.Am I right? S5:I can’t agree with you.Here an adjective is needed.“Selfish” is right in this sentence,I believe. T:Which is right,S4or S5? S6:I think S5 is right.A word ending with “-ness” is a noun,not an adjective. T:Is he right? Ss:Yes,he is right. T:Please go on! … Suggested answers: 5.Unselfishness 6.careless;careful 7.unfair 8.disagreed CStep Ⅲ Further Discussion T:Do you like the exercise?(Ss:Yes.)Just now we reviewed a method of word formation.I’m glad you like it.There are four methods of word formation.The first is Clipping or Shortening.For example,telephone→phone;examination→exam;refrigerator→fridge;television→TV;the Chinese Communist Party→CCP etc.Who can give us some other examples? S7:aeroplane→plane;bicycle→bike;mathematics→maths;very important person→VIP;the United States of America→the US. S8:photograph→photo;laboratory→lab;October→Oct.;November→Nov.;United Nations→UN T:So much for this.Now I’ll tell you that the second method of word formation is common.It is conversion.(Show the following on the screen.)Look at the sentences on the screen.Who can tell us the difference between the underlined words in each group of sentences? (责任编辑：admin) |