No.20 Lesson 2Knowledge and ability来源:学优高考网gkstk1. The new language points. The reading materials.2. Train the Ss ability of reading and understanding.Process and methodsSs study by themselves first ,then finish the exx. in pairs, check the answer.Emotion attitude and valueLearn to be creative.MainThe new language points.DifficultSs read the reading materials, then finish the exx., check the result of their understanding. AidsTape, etc.Step1 2 Showing the learning aimsP.p. t 1.Learn the new words : learn produce invent look through creat cotton wood by themselves.2.Grammar: the present perfect passive and modal verb passive.3.Talk about the inventions and change.Step2 10 Pair workCo-operation1Work in pairs. Read the title of the passage 2Discuss the advantage of both books and computers.3Ask some pairs to report their talk Step312 ReadingCo-operation1Go over the phrases and make sure the students understand well.2Ask the Ss to read the passage by themselves.3Let the Ss match the main ideas with the paragraphs4Read again and find out any difficulties .5Explain any difficulties for them. Read after the tape.Step4 8 ExercisesSelf-learning1Read the passage again and answer the questions2Check the answers with the whole class, and answer the questions3Check with the whole classStep 56 Writing1Complete the sentences.2Ask the Ss to write on their own 3Let several students to read their sentences out 4Correct any mistakes.Step61 SummaryTo sum up the key points of this part.Step71 Homework1To memorize the important points of this part.2To preview the next partBlackboard designLesson 21. Have a good trip2. be made of be made from be made in be made by be made up of 3.Look through 4.on his way to work 5.So do I . So he does.Note：