Can books be replaced by computers?(Period 1)Teaching aims1. Read the passage fluently.2. Understand the passage3. Remember the phrases Difficult and important points1. Read the passage fluently.2. Understand the passageTeaching procedureGuide 1Read paragraph 1, 2 and 3 (15 minutes) 1. 让学生自己读； 2. 小组内，会读的学生教不会读的学生。 3. 学生全班教读 4. 赛读。Guide 2Read these paragraphs again and then answer the following the questions. (13 minutes)1. When was paper first created? 2. Were books produced by hand or by machine at first?3. What can paper be made from according to (根据)this paragraph?4. How many books can be made at a time?5. When was printing developed?6 main ideas （连线） Paragraph 1 1. The invention of printing Paragraph 2 2.Life on paper and in printingParagraph 3 3.The world before books Guide 3 (12 minutes)Look for the following phrases in paragraph 1, 2, 3 在去、路上 浏览 入睡 创造 生产 一次 用手工（制造） 木板 在、之初 知识 传播 一定程度上 因此 与、比较Practice in class 默写上面的词组