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课件网) Unit 5 Power of Ideas Section B 1a-1f P46-47 1a What material are these things made of?Find more things that are made of this material. paper bags book envelops lanterns These things are made of paper. magazine notebooks box napkin Paper _____ in our life. Presentation Look and predict According to the title, what may the writer mention The invention The inventor The inventing process The changes it brings ...... What was the invention that changed the world Papermaking. 2. What is the passage mainly about A. How paper was sold. B. How museums protect paper. C. How paper was invented and changed the world. Check your prediction Tip: Summarize the main idea of each paragraph by focusing on key sentences or key words. Introduction to the topic Introduction Paper’s development Influence Paragraph Topics Paragraph 1 Introduction to the topic Paragraph 2 Early materials to write on Paragraph 3 Cai Lun's creative idea Paragraph 4 Cai Lun's experiment was successful Paragraph 5 How paper changed the world 1. How many parts can we divide the passage into A. B. 2. What is the structure of the passage Introduction 1. How does the writer lead into the topic By asking a question to attract readers’ interest. 2. Why does the writer ask readers to imagine a world without books,newspapers,or magazines To show the importance of paper. 3. What does “it” refer to in the second line Papermaking. 4. What is the influence of the invention of papermaking It was responsible for the rapid spread of information. Careful reading 1 Paper’s development Question Material to write on before Cai Lun What was it like What was used to make it very expensive difficult to use and store animal bones, bronze wares, stones, wood, bamboo, and even silk and an early form of paper made from jute. 1d Complete the table animal bones bronze ware stones bamboo silk jute 2 Paper’s development What was Cai Lun Question Cai Lun’s paper What was it like What was used to make it soft, light, easy to make and use,cheap bark, certain plants, and old clothes 1d Complete the table 3 4 Paper’s development 2 1 4 3 1e Put the sentences in order. 4 1e Retell the process Paper’s development All ingredients _____in water. This material _____water again. The liquid _____ over a bamboo screen, leaving the fibre. The fibre _____to make paper. were mixed and boiled was beaten, cut up and mixed with was poured was dried and pressed Why does the writer mention the emperor in paragraph 4 4 3 4 What qualities can you find from Cai Lun He has a sense of responsibility. As the head officer of the palace workshop, he tried to solve the problem. He is careful and observant. He learned from old ways and found better methods. He is creative and wise. He thought of using cheap materials to make better paper. He is hard-working and patient. He did lots of experiments and never gave up. Influence Chinese neighbouring countries Europe printing much ... ...