Unit4Cyberspace- warm-up ,lesson1教材分析和导入设计（北师大必修2）

Unit4 warm-up ,lesson1教材分析和导入设计（北师大必修2）Unit 4第1节 warm-up &lesson1本节教材分析(1) 三维目标.Knowledge and skills1. To practise reading for specific information.2.To practise using vocabulary of cyberspace.3.To practise using will and be going to to talk and write about the future.Process and methods1. Make the students talk about the cyberspace.2. Encourage the students to have a discussion about their future.3. Encourage the students to have a free talk about what they could do with the Internet.Emotion, attitude and valuesMake the students have a debate about whether the Internet is good or bad to themselves.（2）教学重点1. Enable students to grasp the usage of will and be going to and distinguish the difference between them.2. Help students to plan correct sense of future.（3）教学难点How to distinguish the difference between will and be going to.（4）教学建议1. Make the students talk about the cyberspace.2. Make the students to have a discussion about their future.3. Make the students to have a free talk about what they could do with the Internet.新课导入设计导入一：More Chinese buy books online 随着网络技术的快速发展，方便，快捷的网上购物渐成趋势。现在越来越多的人在网上购买自己喜爱的图书。 Online shopping is becoming popular in China, and more and more Chinese are buying books on the Net. About 63 percent of Chinese internet users have made online purchases and 56 percent of them have bought reading materials, the highest ratio（比率）in the world, said a report. But according to the fourth national reading survey released by the China Research institute of Publishing Science, theres been a decrease in Chinas national reading ratio over the past six years. However, as E-commerce（电子商务）has become part of peoples daily life, the book market has seen a big jump in sales and readership. Dangdang. com recently. “Online bookstores made it possible for people to have more choices, and at the same time, promote the print book market,” a researcher said. Yet things are not so good for traditional bookstores. “Many people come to our bookstore, just to write down the names of the books they want and then go online to buy them,” said a sales clerk at a traditional bookstore in Beijing. Faced with the low-cost advantage of online bookstores, traditional ones can do nothing but lower their prices. However, Huang Yuhai, Chairman of 99, an online bookseller said that online bookstores pose no threat to traditional ones, instead they serve as a beneficial complement（补充）。 Online booksellers still have a long way to go in terms of sales. “It is still too early to tell,” Huang said. “The total sales of three online bookstores including Dangdang, Joyo, and 99read reached 500 million yuan, taking up only 2 percent of the book market in China while A alone holds 40 percent to 50 percent of the American market.”Note:purchase n. the act of buying购买 Answer the following questions.1. Buying books from online bookstores is usually _ than buying them from traditional ones.2. In China, the total sales of three online bookstores take up _ percent of the total book market.导入二：未来的世界会朝着一个什么样的方向发展? 当今世界所存在的环境问题在未来会得到妥善解决吗? 我们对于未来准备好了吗?Prepare for the tomorrows world World Resources Report Launches Initiative on Decision Making in a Changing ClimateAs dilemmas go, this is as tough as it gets. Between now and 2050, predictions suggest that yearly rainfall in Ghana could reduce to 60% less than it is today or increase by as much as 49%. How can the government of a resources-restrained West African nation deal with such overwhelming uncertainty in planning for the future? How decide, for example, where to focus agricultural development, and how to manage future water supplies? And how can public officials throughout Africa and Asia deal with other climate-related impacts such as altered monsoon (季风) patterns and long-lasting droughts?The timely issue of how national governments make decisions for a changing climate is the topic of the latestWorld Resources Report (WRR), which today launches its interactive website . Since 1986, the influential World Resources Report has been jointly published every two years by the United Nations Development Programme (UNDP), United Nations Environment Program (UNEP) the World Bank, and the World Resources Institute. This latest edition boasts (吹嘘) an innovative (创新的) and interactive model that engages audiences and presents a broad range of research involving over 100 government officials, climate experts, international leaders and practitioners in the field from around the world. All the research, which will include case studies, in-country scenario (事态,方案) exercises, and targeted issue roundtables-will be available on the website.This research, and the comments and contributions provided by visitors to the WRR web site, will inform the findings and recommendations of the WRR Report, to be published in April 2011.The Report will provide guidance on integrating climate change risks into planning and policies across sectors such as agriculture, electricity production, forestry and water management. It will present approaches for dealing with different types of climate risk and long-term change. The findings will be particularly geared to assist national level public officials in Africa, Asia and Latin America whose countries will bear the brunt of climate change impacts.Some vulnerable (脆弱的, 易受伤的) developing countries are already experimenting with such approaches. The report will high